PIC32MX1XX/2XX 28/36/44-PIN
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- Chloe Lamb
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1 PIC32MX1XX/2XX 28/36/44-PIN 32-bit Microcontrollers (up to 256 KB Flash and 64 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog Operating Conditions 2.3V to 3.6V, -40ºC to +105ºC, DC to 40 MHz 2.3V to 3.6V, -40ºC to +85ºC, DC to 50 MHz Core: 50 MHz/83 DMIPS MIPS32 M4K MIPS16e mode for up to 40% smaller code size Code-efficient (C and Assembly) architecture Single-cycle (MAC) 32x16 and two-cycle 32x32 multiply Clock Management 0.9% internal oscillator Programmable PLLs and oscillator clock sources Fail-Safe Clock Monitor (FSCM) Independent Watchdog Timer Fast wake-up and start-up Power Management Low-power management modes (Sleep and Idle) Integrated Power-on Reset and Brown-out Reset 0.5 ma/mhz dynamic current (typical) 44 μa IPD current (typical) Audio Interface Features Data communication: I 2 S, LJ, RJ, and DSP modes Control interface: SPI and I 2 C Master clock: - Generation of fractional clock frequencies - Can be synchronized with USB clock - Can be tuned in run-time Advanced Analog Features ADC Module: - 10-bit 1.1 Msps rate with one S&H - Up to 10 analog inputs on 28-pin devices and 13 analog inputs on 44-pin devices Flexible and independent ADC trigger sources Charge Time Measurement Unit (CTMU): - Supports mtouch capacitive touch sensing - Provides high-resolution time measurement (1 ns) - On-chip temperature measurement capability Comparators: - Up to three Analog Comparator modules - Programmable references with 32 voltage points Timers/Output Compare/Input Capture Five General Purpose Timers: - Five 16-bit and up to two 32-bit Timers/Counters Five Output Compare (OC) modules Five Input Capture (IC) modules Peripheral Pin Select (PPS) to allow function remap Real-Time Clock and Calendar (RTCC) module Communication Interfaces USB 2.0-compliant Full-speed OTG controller Two UART modules (12.5 Mbps): - Supports LIN 2.0 protocols and IrDA support Two 4-wire SPI modules (25 Mbps) Two I 2 C modules (up to 1 Mbaud) with SMBus support PPS to allow function remap Parallel Master Port (PMP) Direct Memory Access (DMA) Four channels of hardware DMA with automatic data size detection Two additional channels dedicated for USB Programmable Cyclic Redundancy Check (CRC) Input/Output 10 ma source/sink on all I/O pins and up to 14 ma on non-standard VOH 5V-tolerant pins Selectable open drain, pull-ups, and pull-downs External interrupts on all I/O pins Qualification and Class B Support AEC-Q100 REVG (Grade 2-40ºC to +105ºC) planned Class B Safety Library, IEC Debugger Development Support In-circuit and in-application programming 4-wire MIPS Enhanced JTAG interface Unlimited program and six complex data breakpoints IEEE compatible (JTAG) boundary scan Packages Type SOIC SSOP SPDIP QFN VTLA TQFP Pin Count I/O Pins (up to) Contact/Lead Pitch '' Dimensions 17.90x7.50x x5.3x ''x.285''x.135'' 6x6x0.9 8x8x0.9 5x5x0.9 6x6x0.9 10x10x1 Note: All dimensions are in millimeters (mm) unless specified Microchip Technology Inc. DS J-page 1
2 TABLE 1: Device PIC32MX1XX 28/36/44-PIN GENERAL PURPOSE FAMILY FEATURES Pins Program Memory (KB) (1) Data Memory (KB) Remappable Peripherals Remappable Pins Timers (2) /Capture/Compare UART SPI/I 2 S External Interrupts (3) PIC32MX110F016B /5/ N 2 Y 4/0 Y 10 Y 21 Y SOIC, SSOP, SPDIP, QFN PIC32MX110F016C /5/ N 2 Y 4/0 Y 12 Y 25 Y VTLA PIC32MX110F016D /5/ N 2 Y 4/0 Y 13 Y 35 Y Analog Comparators USB On-The-Go (OTG) I 2 C PMP DMA Channels (Programmable/Dedicated) CTMU 10-bit 1 Msps ADC (Channels) RTCC I/O Pins JTAG Packages VTLA, TQFP, QFN PIC32MX120F032B /5/ N 2 Y 4/0 Y 10 Y 21 Y SOIC, SSOP, SPDIP, QFN PIC32MX120F032C /5/ N 2 Y 4/0 Y 12 Y 25 Y VTLA PIC32MX120F032D /5/ N 2 Y 4/0 Y 13 Y 35 Y VTLA, TQFP, QFN PIC32MX130F064B /5/ N 2 Y 4/0 Y 10 Y 21 Y SOIC, SSOP, SPDIP, QFN PIC32MX130F064C /5/ N 2 Y 4/0 Y 12 Y 25 Y VTLA PIC32MX130F064D /5/ N 2 Y 4/0 Y 13 Y 35 Y VTLA, TQFP, QFN PIC32MX150F128B /5/ N 2 Y 4/0 Y 10 Y 21 Y SOIC, SSOP, SPDIP, QFN PIC32MX150F128C /5/ N 2 Y 4/0 Y 12 Y 25 Y VTLA PIC32MX150F128D /5/ N 2 Y 4/0 Y 13 Y 35 Y PIC32MX130F256B /5/ N 2 Y 4/0 Y 10 Y 21 Y PIC32MX130F256D /5/ N 2 Y 4/0 Y 13 Y 35 Y PIC32MX170F256B /5/ N 2 Y 4/0 Y 10 Y 21 Y PIC32MX170F256D /5/ N 2 Y 4/0 Y 13 Y 35 Y Note 1: This device features 3 KB of boot Flash memory. 2: Four out of five timers are remappable. 3: Four out of five external interrupts are remappable. VTLA, TQFP, QFN SOIC, SSOP, SPDIP, QFN VTLA, TQFP, QFN SOIC, SSOP, SPDIP, QFN VTLA, TQFP, QFN DS J-page Microchip Technology Inc.
3 TABLE 2: Device PIC32MX2XX 28/36/44-PIN USB FAMILY FEATURES Pins Program Memory (KB) (1) Data Memory (KB) Remappable Peripherals Remappable Pins Timers (2) /Capture/Compare UART SPI/I 2 S PIC32MX210F016B /5/ Y 2 Y 4/2 Y 9 Y 19 Y SOIC, SSOP, SPDIP, QFN PIC32MX210F016C /5/ Y 2 Y 4/2 Y 12 Y 25 Y VTLA PIC32MX210F016D /5/ Y 2 Y 4/2 Y 13 Y 33 Y VTLA, TQFP, QFN PIC32MX220F032B /5/ Y 2 Y 4/2 Y 9 Y 19 Y SOIC, SSOP, SPDIP, QFN PIC32MX220F032C /5/ Y 2 Y 4/2 Y 12 Y 23 Y VTLA PIC32MX220F032D /5/ Y 2 Y 4/2 Y 13 Y 33 Y VTLA, TQFP, QFN PIC32MX230F064B /5/ Y 2 Y 4/2 Y 9 Y 19 Y SOIC, SSOP, SPDIP, QFN PIC32MX230F064C /5/ Y 2 Y 4/2 Y 12 Y 23 Y VTLA PIC32MX230F064D /5/ Y 2 Y 4/2 Y 13 Y 33 Y VTLA, TQFP, QFN PIC32MX250F128B /5/ Y 2 Y 4/2 Y 9 Y 19 Y SOIC, SSOP, SPDIP, QFN PIC32MX250F128C /5/ Y 2 Y 4/2 Y 12 Y 23 Y VTLA PIC32MX250F128D /5/ Y 2 Y 4/2 Y 13 Y 33 Y VTLA, TQFP, QFN PIC32MX230F256B /5/ Y 2 Y 4/2 Y 9 Y 19 Y SOIC, SSOP, SPDIP, QFN PIC32MX230F256D /5/ Y 2 Y 4/2 Y 13 Y 33 Y VTLA, TQFP, QFN PIC32MX270F256B /5/ Y 2 Y 4/2 Y 9 Y 19 Y SOIC, SSOP, SPDIP, QFN PIC32MX270F256D /5/ Y 2 Y 4/2 Y 13 Y 33 Y VTLA, TQFP, QFN PIC32MX270F256DB (4) /5/ Y 2 Y 4/2 Y 13 Y 33 Y VTLA, TQFP, QFN Note 1: This device features 3 KB of boot Flash memory. 2: Four out of five timers are remappable. 3: Four out of five external interrupts are remappable. 4: This PIC32 device is targeted to specific audio software packages that are tracked for licensing royalty purposes. All peripherals and electrical characteristics are identical to their corresponding base part numbers. External Interrupts (3) Analog Comparators USB On-The-Go (OTG) I 2 C PMP DMA Channels (Programmable/Dedicated) CTMU 10-bit 1 Msps ADC (Channels) RTCC I/O Pins JTAG Packages Microchip Technology Inc. DS J-page 3
4 Pin Diagrams TABLE 3: PIN NAMES FOR 28-PIN GENERAL PURPOSE DEVICES 28-PIN SOIC, SPDIP, SSOP (TOP VIEW) (1,2,3) PIC32MX110F016B PIC32MX120F032B PIC32MX130F064B PIC32MX130F256B PIC32MX150F128B PIC32MX170F256B SSOP SOIC SPDIP Pin # Full Pin Name Pin # Full Pin Name 1 MCLR 15 PGEC3/RPB6/PMD6/RB6 2 VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/RA0 16 TDI/RPB7/CTED3/PMD5/INT0/RB7 3 VREF-/CVREF-/AN1/RPA1/CTED2/RA1 17 TCK/RPB8/SCL1/CTED10/PMD4/RB8 4 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/RB0 18 TDO/RPB9/SDA1/CTED4/PMD3/RB9 5 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/RB1 19 VSS 6 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/RB2 20 VCAP 7 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/RB3 21 PGED2/RPB10/CTED11/PMD2/RB10 8 VSS 22 PGEC2/TMS/RPB11/PMD1/RB11 9 OSC1/CLKI/RPA2/RA2 23 AN12/PMD0/RB12 10 OSC2/CLKO/RPA3/PMA0/RA3 24 AN11/RPB13/CTPLS/PMRD/RB13 11 SOSCI/RPB4/RB4 25 CVREFOUT/AN10/C3INB/RPB14/SCK1/CTED5/PMWR/RB14 12 SOSCO/RPA4/T1CK/CTED9/PMA1/RA4 26 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 13 VDD 27 AVSS 14 PGED3/RPB5/PMD7/RB5 28 AVDD Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: Shaded pins are 5V tolerant. DS J-page Microchip Technology Inc.
5 TABLE 4: PIN NAMES FOR 28-PIN USB DEVICES 28-PIN SOIC, SPDIP, SSOP (TOP VIEW) (1,2,3) SSOP SOIC SPDIP PIC32MX210F016B PIC32MX220F032B PIC32MX230F064B PIC32MX230F256B PIC32MX250F128B PIC32MX270F256B Pin # Full Pin Name Pin # Full Pin Name 1 MCLR 15 VBUS 2 PGED3/VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/PMD7/RA0 16 TDI/RPB7/CTED3/PMD5/INT0/RB7 3 PGEC3/VREF-/CVREF-/AN1/RPA1/CTED2/PMD6/RA1 17 TCK/RPB8/SCL1/CTED10/PMD4/RB8 4 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/PMD0/RB0 18 TDO/RPB9/SDA1/CTED4/PMD3/RB9 5 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/PMD1/RB1 19 VSS 6 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/PMD2/RB2 20 VCAP 7 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/PMWR/RB3 21 PGED2/RPB10/D+/CTED11/RB10 8 VSS 22 PGEC2/RPB11/D-/RB11 9 OSC1/CLKI/RPA2/RA2 23 VUSB3V3 10 OSC2/CLKO/RPA3/PMA0/RA3 24 AN11/RPB13/CTPLS/PMRD/RB13 11 SOSCI/RPB4/RB4 25 CVREFOUT/AN10/C3INB/RPB14/VBUSON/SCK1/CTED5/RB14 12 SOSCO/RPA4/T1CK/CTED9/PMA1/RA4 26 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 13 VDD 27 AVSS 14 TMS/RPB5/USBID/RB5 28 AVDD Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: Shaded pins are 5V tolerant Microchip Technology Inc. DS J-page 5
6 TABLE 5: PIN NAMES FOR 28-PIN GENERAL PURPOSE DEVICES 28-PIN QFN (TOP VIEW) (1,2,3.4) PIC32MX110F016B PIC32MX120F032B PIC32MX130F064B PIC32MX130F256B PIC32MX150F128B PIC32MX170F256B 28 1 Pin # Full Pin Name Pin # Full Pin Name 1 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/RB0 15 TDO/RPB9/SDA1/CTED4/PMD3/RB9 2 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/RB1 16 VSS 3 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/RB2 17 VCAP 4 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/RB3 18 PGED2/RPB10/CTED11/PMD2/RB10 5 VSS 19 PGEC2/TMS/RPB11/PMD1/RB11 6 OSC1/CLKI/RPA2/RA2 20 AN12/PMD0/RB12 7 OSC2/CLKO/RPA3/PMA0/RA3 21 AN11/RPB13/CTPLS/PMRD/RB13 8 SOSCI/RPB4/RB4 22 CVREFOUT/AN10/C3INB/RPB14/SCK1/CTED5/PMWR/RB14 9 SOSCO/RPA4/T1CK/CTED9/PMA1/RA4 23 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 10 VDD 24 AVSS 11 PGED3/RPB5/PMD7/RB5 25 AVDD 12 PGEC3/RPB6/PMD6/RB6 26 MCLR 13 TDI/RPB7/CTED3/PMD5/INT0/RB7 27 VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/RA0 14 TCK/RPB8/SCL1/CTED10/PMD4/RB8 28 VREF-/CVREF-/AN1/RPA1/CTED2/RA1 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: Shaded pins are 5V tolerant. DS J-page Microchip Technology Inc.
7 TABLE 6: PIN NAMES FOR 28-PIN USB DEVICES 28-PIN QFN (TOP VIEW) (1,2,3,4) PIC32MX210F016B PIC32MX220F032B PIC32MX230F064B PIC32MX230F256B PIC32MX250F128B 28 PIC32MX270F256B 1 Pin # Full Pin Name Pin # Full Pin Name 1 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/PMD0/RB0 15 TDO/RPB9/SDA1/CTED4/PMD3/RB9 2 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/PMD1/RB1 16 VSS 3 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/PMD2/RB2 17 VCAP 4 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/PMWR/RB3 18 PGED2/RPB10/D+/CTED11/RB10 5 VSS 19 PGEC2/RPB11/D-/RB11 6 OSC1/CLKI/RPA2/RA2 20 VUSB3V3 7 OSC2/CLKO/RPA3/PMA0/RA3 21 AN11/RPB13/CTPLS/PMRD/RB13 8 SOSCI/RPB4/RB4 22 CVREFOUT/AN10/C3INB/RPB14/VBUSON/SCK1/CTED5/RB14 9 SOSCO/RPA4/T1CK/CTED9/PMA1/RA4 23 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 10 VDD 24 AVSS 11 TMS/RPB5/USBID/RB5 25 AVDD 12 VBUS 26 MCLR 13 TDI/RPB7/CTED3/PMD5/INT0/RB7 27 PGED3/VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/PMD7/RA0 14 TCK/RPB8/SCL1/CTED10/PMD4/RB8 28 PGEC3/VREF-/CVREF-/AN1/RPA1/CTED2/PMD6/RA1 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: Shaded pins are 5V tolerant Microchip Technology Inc. DS J-page 7
8 TABLE 7: PIN NAMES FOR 36-PIN GENERAL PURPOSE DEVICES 36-PIN VTLA (TOP VIEW) (1,2,3,5) PIC32MX110F016C PIC32MX120F032C PIC32MX130F064C PIC32MX150F128C 36 1 Pin # Full Pin Name Pin # Full Pin Name 1 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/RB2 19 TDO/RPB9/SDA1/CTED4/PMD3/RB9 2 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/RB3 20 RPC9/CTED7/RC9 3 PGED4 (4) /AN6/RPC0/RC0 21 VSS 4 PGEC4 (4) /AN7/RPC1/RC1 22 VCAP 5 VDD 23 VDD 6 VSS 24 PGED2/RPB10/CTED11/PMD2/RB10 7 OSC1/CLKI/RPA2/RA2 25 PGEC2/TMS/RPB11/PMD1/RB11 8 OSC2/CLKO/RPA3/PMA0/RA3 26 AN12/PMD0/RB12 9 SOSCI/RPB4/RB4 27 AN11/RPB13/CTPLS/PMRD/RB13 10 SOSCO/RPA4/T1CK/CTED9/PMA1/RA4 28 CVREFOUT/AN10/C3INB/RPB14/SCK1/CTED5/PMWR/RB14 11 RPC3/RC3 29 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 12 VSS 30 AVSS 13 VDD 31 AVDD 14 VDD 32 MCLR 15 PGED3/RPB5/PMD7/RB5 33 VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/RA0 16 PGEC3/RPB6/PMD6/RB6 34 VREF-/CVREF-/AN1/RPA1/CTED2/RA1 17 TDI/RPB7/CTED3/PMD5/INT0/RB7 35 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/RB0 18 TCK/RPB8/SCL1/CTED10/PMD4/RB8 36 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/RB1 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: This pin function is not available on PIC32MX110F016C and PIC32MX120F032C devices. 5: Shaded pins are 5V tolerant. DS J-page Microchip Technology Inc.
9 TABLE 8: PIN NAMES FOR 36-PIN USB DEVICES 36-PIN VTLA (TOP VIEW) (1,2,3,5) PIC32MX210F016C PIC32MX220F032C PIC32MX230F064C PIC32MX250F128C 36 1 Pin # Full Pin Name Pin # Full Pin Name 1 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/PMD2/RB2 19 TDO/RPB9/SDA1/CTED4/PMD3/RB9 2 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/PMWR/RB3 20 RPC9/CTED7/RC9 3 PGED4 (4) /AN6/RPC0/RC0 21 VSS 4 PGEC4 (4) /AN7/RPC1/RC1 22 VCAP 5 VDD 23 VDD 6 VSS 24 PGED2/RPB10/D+/CTED11/RB10 7 OSC1/CLKI/RPA2/RA2 25 PGEC2/RPB11/D-/RB11 8 OSC2/CLKO/RPA3/PMA0/RA3 26 VUSB3V3 9 SOSCI/RPB4/RB4 27 AN11/RPB13/CTPLS/PMRD/RB13 10 SOSCO/RPA4/T1CK/CTED9/PMA1/RA4 28 CVREFOUT/AN10/C3INB/RPB14/VBUSON/SCK1/CTED5/RB14 11 AN12/RPC3/RC3 29 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 12 VSS 30 AVSS 13 VDD 31 AVDD 14 VDD 32 MCLR 15 TMS/RPB5/USBID/RB5 33 PGED3/VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/PMD7/RA0 16 VBUS 34 PGEC3/VREF-/CVREF-/AN1/RPA1/CTED2/PMD6/RA1 17 TDI/RPB7/CTED3/PMD5/INT0/RB7 35 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/PMD0/RB0 18 TCK/RPB8/SCL1/CTED10/PMD4/RB8 36 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/PMD1/RB1 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: This pin function is not available on PIC32MX210F016C and PIC32MX120F032C devices. 5: Shaded pins are 5V tolerant Microchip Technology Inc. DS J-page 9
10 TABLE 9: PIN NAMES FOR 44-PIN GENERAL PURPOSE DEVICES 44-PIN QFN (TOP VIEW) (1,2,3,5) PIC32MX110F016D PIC32MX120F032D PIC32MX130F064D PIC32MX130F256D PIC32MX150F128D PIC32MX170F256D 44 1 Pin # Full Pin Name Pin # Full Pin Name 1 RPB9/SDA1/CTED4/PMD3/RB9 23 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/RB2 2 RPC6/PMA1/RC6 24 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/RB3 3 RPC7/PMA0/RC7 25 AN6/RPC0/RC0 4 RPC8/PMA5/RC8 26 AN7/RPC1/RC1 5 RPC9/CTED7/PMA6/RC9 27 AN8/RPC2/PMA2/RC2 6 VSS 28 VDD 7 VCAP 29 VSS 8 PGED2/RPB10/CTED11/PMD2/RB10 30 OSC1/CLKI/RPA2/RA2 9 PGEC2/RPB11/PMD1/RB11 31 OSC2/CLKO/RPA3/RA3 10 AN12/PMD0/RB12 32 TDO/RPA8/PMA8/RA8 11 AN11/RPB13/CTPLS/PMRD/RB13 33 SOSCI/RPB4/RB4 12 PGED4 (4) /TMS/PMA10/RA10 34 SOSCO/RPA4/T1CK/CTED9/RA4 13 PGEC4 (4) /TCK/CTED8/PMA7/RA7 35 TDI/RPA9/PMA9/RA9 14 CVREFOUT/AN10/C3INB/RPB14/SCK1/CTED5/PMWR/RB14 36 RPC3/RC3 15 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 37 RPC4/PMA4/RC4 16 AVSS 38 RPC5/PMA3/RC5 17 AVDD 39 VSS 18 MCLR 40 VDD 19 VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/RA0 41 PGED3/RPB5/PMD7/RB5 20 VREF-/CVREF-/AN1/RPA1/CTED2/RA1 42 PGEC3/RPB6/PMD6/RB6 21 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/RB0 43 RPB7/CTED3/PMD5/INT0/RB7 22 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/RB1 44 RPB8/SCL1/CTED10/PMD4/RB8 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: This pin function is not available on PIC32MX110F016D and PIC32MX120F032D devices. 5: Shaded pins are 5V tolerant. DS J-page Microchip Technology Inc.
11 TABLE 10: PIN NAMES FOR 44-PIN USB DEVICES 44-PIN QFN (TOP VIEW) (1,2,3,5) PIC32MX210F016D PIC32MX220F032D PIC32MX230F064D PIC32MX230F256D PIC32MX250F128D PIC32MX270F256D 44 1 Pin # Full Pin Name Pin # Full Pin Name 1 RPB9/SDA1/CTED4/PMD3/RB9 23 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/PMD2/RB2 2 RPC6/PMA1/RC6 24 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/PMWR/RB3 3 RPC7/PMA0/RC7 25 AN6/RPC0/RC0 4 RPC8/PMA5/RC8 26 AN7/RPC1/RC1 5 RPC9/CTED7/PMA6/RC9 27 AN8/RPC2/PMA2/RC2 6 VSS 28 VDD 7 VCAP 29 VSS 8 PGED2/RPB10/D+/CTED11/RB10 30 OSC1/CLKI/RPA2/RA2 9 PGEC2/RPB11/D-/RB11 31 OSC2/CLKO/RPA3/RA3 10 VUSB3V3 32 TDO/RPA8/PMA8/RA8 11 AN11/RPB13/CTPLS/PMRD/RB13 33 SOSCI/RPB4/RB4 12 PGED4/TMS/PMA10/RA10 34 SOSCO/RPA4/T1CK/CTED9/RA4 13 PGEC4/TCK/CTED8/PMA7/RA7 35 TDI/RPA9/PMA9/RA9 14 CVREFOUT/AN10/C3INB/RPB14/VBUSON/SCK1/CTED5/RB14 36 AN12/RPC3/RC3 15 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 37 RPC4/PMA4/RC4 16 AVSS 38 RPC5/PMA3/RC5 17 AVDD 39 VSS 18 MCLR 40 VDD 19 PGED3/VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/PMD7/RA0 41 RPB5/USBID/RB5 20 PGEC3/VREF-/CVREF-/AN1/RPA1/CTED2/PMD6/RA1 42 VBUS 21 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/PMD0/RB0 43 RPB7/CTED3/PMD5/INT0/RB7 22 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/PMD1/RB1 44 RPB8/SCL1/CTED10/PMD4/RB8 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: This pin function is not available on PIC32MX110F016D and PIC32MX120F032D devices. 5: Shaded pins are 5V tolerant Microchip Technology Inc. DS J-page 11
12 TABLE 11: PIN NAMES FOR 44-PIN GENERAL PURPOSE DEVICES 44-PIN TQFP (TOP VIEW) (1,2,3,5) PIC32MX110F016D PIC32MX120F032D PIC32MX130F064D PIC32MX130F256D PIC32MX150F128D PIC32MX170F256D 44 1 Pin # Full Pin Name Pin # Full Pin Name 1 RPB9/SDA1/CTED4/PMD3/RB9 23 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/RB2 2 RPC6/PMA1/RC6 24 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/RB3 3 RPC7/PMA0/RC7 25 AN6/RPC0/RC0 4 RPC8/PMA5/RC8 26 AN7/RPC1/RC1 5 RPC9/CTED7/PMA6/RC9 27 AN8/RPC2/PMA2/RC2 6 VSS 28 VDD 7 VCAP 29 VSS 8 PGED2/RPB10/CTED11/PMD2/RB10 30 OSC1/CLKI/RPA2/RA2 9 PGEC2/RPB11/PMD1/RB11 31 OSC2/CLKO/RPA3/RA3 10 AN12/PMD0/RB12 32 TDO/RPA8/PMA8/RA8 11 AN11/RPB13/CTPLS/PMRD/RB13 33 SOSCI/RPB4/RB4 12 PGED4 (4) /TMS/PMA10/RA10 34 SOSCO/RPA4/T1CK/CTED9/RA4 13 PGEC4 (4) /TCK/CTED8/PMA7/RA7 35 TDI/RPA9/PMA9/RA9 14 CVREFOUT/AN10/C3INB/RPB14/SCK1/CTED5/PMWR/RB14 36 RPC3/RC3 15 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 37 RPC4/PMA4/RC4 16 AVSS 38 RPC5/PMA3/RC5 17 AVDD 39 VSS 18 MCLR 40 VDD 19 VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/RA0 41 PGED3/RPB5/PMD7/RB5 20 VREF-/CVREF-/AN1/RPA1/CTED2/RA1 42 PGEC3/RPB6/PMD6/RB6 21 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/RB0 43 RPB7/CTED3/PMD5/INT0/RB7 22 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/RB1 44 RPB8/SCL1/CTED10/PMD4/RB8 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: This pin function is not available on PIC32MX110F016D and PIC32MX120F032D devices. 5: Shaded pins are 5V tolerant. DS J-page Microchip Technology Inc.
13 TABLE 12: PIN NAMES FOR 44-PIN USB DEVICES 44-PIN TQFP (TOP VIEW) (1,2,3,5) PIC32MX210F016D PIC32MX220F032D PIC32MX230F064D PIC32MX230F256D PIC32MX250F128D PIC32MX270F256D 44 1 Pin # Full Pin Name Pin # Full Pin Name 1 RPB9/SDA1/CTED4/PMD3/RB9 23 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/PMD2/RB2 2 RPC6/PMA1/RC6 24 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/PMWR/RB3 3 RPC7/PMA0/RC7 25 AN6/RPC0/RC0 4 RPC8/PMA5/RC8 26 AN7/RPC1/RC1 5 RPC9/CTED7/PMA6/RC9 27 AN8/RPC2/PMA2/RC2 6 VSS 28 VDD 7 VCAP 29 VSS 8 PGED2/RPB10/D+/CTED11/RB10 30 OSC1/CLKI/RPA2/RA2 9 PGEC2/RPB11/D-/RB11 31 OSC2/CLKO/RPA3/RA3 10 VUSB3V3 32 TDO/RPA8/PMA8/RA8 11 AN11/RPB13/CTPLS/PMRD/RB13 33 SOSCI/RPB4/RB4 12 PGED4 (4) /TMS/PMA10/RA10 34 SOSCO/RPA4/T1CK/CTED9/RA4 13 PGEC4 (4) /TCK/CTED8/PMA7/RA7 35 TDI/RPA9/PMA9/RA9 14 CVREFOUT/AN10/C3INB/RPB14/VBUSON/SCK1/CTED5/RB14 36 AN12/RPC3/RC3 15 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 37 RPC4/PMA4/RC4 16 AVSS 38 RPC5/PMA3/RC5 17 AVDD 39 VSS 18 MCLR 40 VDD 19 PGED3/VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/PMD7/RA0 41 RPB5/USBID/RB5 20 PGEC3/VREF-/CVREF-/AN1/RPA1/CTED2/PMD6/RA1 42 VBUS 21 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/PMD0/RB0 43 RPB7/CTED3/PMD5/INT0/RB7 22 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/PMD1/RB1 44 RPB8/SCL1/CTED10/PMD4/RB8 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: This pin function is not available on PIC32MX210F016D and PIC32MX220F032D devices. 5: Shaded pins are 5V tolerant Microchip Technology Inc. DS J-page 13
14 TABLE 13: PIN NAMES FOR 44-PIN GENERAL PURPOSE DEVICES 44-PIN VTLA (TOP VIEW) (1,2,3,5) PIC32MX110F016D PIC32MX120F032D PIC32MX130F064D PIC32MX130F256D PIC32MX150F128D PIC32MX170F256D 44 1 Pin # Full Pin Name Pin # Full Pin Name 1 RPB9/SDA1/CTED4/PMD3/RB9 23 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/RB2 2 RPC6/PMA1/RC6 24 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/RB3 3 RPC7/PMA0/RC7 25 AN6/RPC0/RC0 4 RPC8/PMA5/RC8 26 AN7/RPC1/RC1 5 RPC9/CTED7/PMA6/RC9 27 AN8/RPC2/PMA2/RC2 6 VSS 28 VDD 7 VCAP 29 VSS 8 PGED2/RPB10/CTED11/PMD2/RB10 30 OSC1/CLKI/RPA2/RA2 9 PGEC2/RPB11/PMD1/RB11 31 OSC2/CLKO/RPA3/RA3 10 AN12/PMD0/RB12 32 TDO/RPA8/PMA8/RA8 11 AN11/RPB13/CTPLS/PMRD/RB13 33 SOSCI/RPB4/RB4 12 PGED4 (4) /TMS/PMA10/RA10 34 SOSCO/RPA4/T1CK/CTED9/RA4 13 PGEC4 (4) /TCK/CTED8/PMA7/RA7 35 TDI/RPA9/PMA9/RA9 14 CVREFOUT/AN10/C3INB/RPB14/SCK1/CTED5/PMWR/RB14 36 RPC3/RC3 15 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 37 RPC4/PMA4/RC4 16 AVSS 38 RPC5/PMA3/RC5 17 AVDD 39 VSS 18 MCLR 40 VDD 19 VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/RA0 41 PGED3/RPB5/PMD7/RB5 20 VREF-/CVREF-/AN1/RPA1/CTED2/RA1 42 PGEC3/RPB6/PMD6/RB6 21 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/RB0 43 RPB7/CTED3/PMD5/INT0/RB7 22 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/RB1 44 RPB8/SCL1/CTED10/PMD4/RB8 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: This pin function is not available on PIC32MX110F016D and PIC32MX120F032D devices. 5: Shaded pins are 5V tolerant. DS J-page Microchip Technology Inc.
15 TABLE 14: PIN NAMES FOR 44-PIN USB DEVICES 44-PIN VTLA (TOP VIEW) (1,2,3,5) PIC32MX210F016D PIC32MX220F032D PIC32MX230F064D PIC32MX230F256D PIC32MX250F128D PIC32MX270F256D 44 1 Pin # Full Pin Name Pin # Full Pin Name 1 RPB9/SDA1/CTED4/PMD3/RB9 23 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/PMD2/RB2 2 RPC6/PMA1/RC6 24 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/PMWR/RB3 3 RPC7/PMA0/RC7 25 AN6/RPC0/RC0 4 RPC8/PMA5/RC8 26 AN7/RPC1/RC1 5 RPC9/CTED7/PMA6/RC9 27 AN8/RPC2/PMA2/RC2 6 VSS 28 VDD 7 VCAP 29 VSS 8 PGED2/RPB10/D+/CTED11/RB10 30 OSC1/CLKI/RPA2/RA2 9 PGEC2/RPB11/D-/RB11 31 OSC2/CLKO/RPA3/RA3 10 VUSB3V3 32 TDO/RPA8/PMA8/RA8 11 AN11/RPB13/CTPLS/PMRD/RB13 33 SOSCI/RPB4/RB4 12 PGED4 (4) /TMS/PMA10/RA10 34 SOSCO/RPA4/T1CK/CTED9/RA4 13 PGEC4 (4) /TCK/CTED8/PMA7/RA7 35 TDI/RPA9/PMA9/RA9 14 CVREFOUT/AN10/C3INB/RPB14/VBUSON/SCK1/CTED5/RB14 36 AN12/RPC3/RC3 15 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 37 RPC4/PMA4/RC4 16 AVSS 38 RPC5/PMA3/RC5 17 AVDD 39 VSS 18 MCLR 40 VDD 19 PGED3/VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/PMD7/RA0 41 RPB5/USBID/RB5 20 PGEC3/VREF-/CVREF-/AN1/RPA1/CTED2/PMD6/RA1 42 VBUS 21 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/PMD0/RB0 43 RPB7/CTED3/PMD5/INT0/RB7 22 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/PMD1/RB1 44 RPB8/SCL1/CTED10/PMD4/RB8 Note 1: The RPn pins can be used by remappable peripherals. See Table 1 for the available peripherals and Section 11.3 Peripheral Pin Select for restrictions. 2: Every I/O port pin (RAx-RCx) can be used as a change notification pin (CNAx-CNCx). See Section 11.0 I/O Ports for more information. 3: The metal plane at the bottom of the device is not connected to any pins and is recommended to be connected to VSS externally. 4: This pin function is not available on PIC32MX210F016D and PIC32MX220F032D devices. 5: Shaded pins are 5V tolerant Microchip Technology Inc. DS J-page 15
16 Table of Contents 1.0 Device Overview Guidelines for Getting Started with 32-bit MCUs CPU Memory Organization Flash Program Memory Resets Interrupt Controller Oscillator Configuration Direct Memory Access (DMA) Controller USB On-The-Go (OTG) I/O Ports Timer Timer2/3, Timer4/ Watchdog Timer (WDT) Input Capture Output Compare Serial Peripheral Interface (SPI) Inter-Integrated Circuit (I 2 C) Universal Asynchronous Receiver Transmitter (UART) Parallel Master Port (PMP) Real-Time Clock and Calendar (RTCC) bit Analog-to-Digital Converter (ADC) Comparator Comparator Voltage Reference (CVREF) Charge Time Measurement Unit (CTMU) Power-Saving Features Special Features Instruction Set Development Support Electrical Characteristics MHz Electrical Characteristics DC and AC Device Characteristics Graphs Packaging Information The Microchip Web Site Customer Change Notification Service Customer Support Product Identification System DS J-page Microchip Technology Inc.
17 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via at We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page. The last character of the literature number is the version number, (e.g., DS A is version A of document DS ). Errata An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for current devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the revision of silicon and revision of document to which it applies. To determine if an errata sheet exists for a particular device, please check with one of the following: Microchip s Worldwide Web site; Your local Microchip sales office (see last page) When contacting a sales office, please specify which device, revision of silicon and data sheet (include literature number) you are using. Customer Notification System Register on our web site at to receive the most current information on all of our products Microchip Technology Inc. DS J-page 17
18 Referenced Sources This device data sheet is based on the following individual chapters of the PIC32 Family Reference Manual. These documents should be considered as the general reference for the operation of a particular module or device feature. Note: To access the following documents, refer to the Documentation > Reference Manuals section of the Microchip PIC32 website: Section 1. Introduction (DS ) Section 2. CPU (DS ) Section 3. Memory Organization (DS ) Section 5. Flash Program Memory (DS ) Section 6. Oscillator Configuration (DS ) Section 7. Resets (DS ) Section 8. Interrupt Controller (DS ) Section 9. Watchdog Timer and Power-up Timer (DS ) Section 10. Power-Saving Features (DS ) Section 12. I/O Ports (DS ) Section 13. Parallel Master Port (PMP) (DS ) Section 14. Timers (DS ) Section 15. Input Capture (DS ) Section 16. Output Compare (DS ) Section bit Analog-to-Digital Converter (ADC) (DS ) Section 19. Comparator (DS ) Section 20. Comparator Voltage Reference (CVREF) (DS ) Section 21. Universal Asynchronous Receiver Transmitter (UART) (DS ) Section 23. Serial Peripheral Interface (SPI) (DS ) Section 24. Inter-Integrated Circuit (I 2 C) (DS ) Section 27. USB On-The-Go (OTG) (DS ) Section 29. Real-Time Clock and Calendar (RTCC) (DS ) Section 31. Direct Memory Access (DMA) Controller (DS ) Section 32. Configuration (DS ) Section 33. Programming and Diagnostics (DS ) Section 37. Charge Time Measurement Unit (CTMU) (DS ) DS J-page Microchip Technology Inc.
19 1.0 DEVICE OVERVIEW This document contains device-specific information for Note: This data sheet summarizes the features of the PIC32MX1XX/2XX 28/36/44-pin Family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to documents listed in the Documentation > Reference Manual section of the Microchip PIC32 web site ( PIC32MX1XX/2XX 28/36/44-pin Family devices. Figure 1-1 illustrates a general block diagram of the core and peripheral modules in the PIC32MX1XX/2XX 28/36/44-pin Family of devices. Table 1-1 lists the functions of the various pins shown in the pinout diagrams. FIGURE 1-1: BLOCK DIAGRAM OSC2/CLKO OSC1/CLKI OSC/SOSC Oscillators FRC/LPRC Oscillators PLL Dividers PLL-USB Timing Generation USBCLK SYSCLK PBCLK VCAP Voltage Regulator Precision Band Gap Reference Power-up Timer Oscillator Start-up Timer Power-on Reset Watchdog Timer Brown-out Reset VDD, VSS MCLR PORTA Peripheral Bus Clocked by SYSCLK CTMU PORTB PORTC Remappable Pins 32 JTAG BSCAN EJTAG Priority Interrupt Controller MIPS32 M4K CPU Core IS INT DS USB 32 Bus Matrix DMAC ICD Peripheral Bus Clocked by PBCLK Timer1-Timer5 PWM OC1-OC5 IC1-IC5 SPI1-SPI2 I2C1-I2C2 32 Data RAM Peripheral Bridge 32 PMP 10-bit ADC 32-bit Wide Program Flash Memory Flash Controller UART1-UART2 RTCC Comparators 1-3 Note: Some features are not available on all devices. Refer to the family features tables (Table 1 and Table 2) for availability Microchip Technology Inc. DS J-page 19
20 TABLE 1-1: Pin Name 28-pin QFN PINOUT I/O DESCRIPTIONS Pin Number (1) 28-pin SSOP/ SPDIP/ SOIC 36-pin VTLA 44-pin QFN/ TQFP/ VTLA Pin Type Buffer Type Description AN I Analog Analog input channels. AN I Analog AN I Analog AN I Analog AN I Analog AN I Analog AN I Analog AN I Analog AN8 27 I Analog AN I Analog AN I Analog AN I Analog AN12 20 (2) 23 (2) 26 (2) 10 (2) 11 (3) 36 (3) I Analog CLKI I ST/CMOS External clock source input. Always associated with OSC1 pin function. CLKO O Oscillator crystal output. Connects to crystal or resonator in Crystal Oscillator mode. Optionally functions as CLKO in RC and EC modes. Always associated with OSC2 pin function. OSC I ST/CMOS Oscillator crystal input. ST buffer when configured in RC mode; CMOS otherwise. OSC O Oscillator crystal output. Connects to crystal or resonator in Crystal Oscillator mode. Optionally functions as CLKO in RC and EC modes. SOSCI I ST/CMOS khz low-power oscillator crystal input; CMOS otherwise. SOSCO O khz low-power oscillator crystal output. REFCLKI PPS PPS PPS PPS I ST Reference Input Clock REFCLKO PPS PPS PPS PPS O Reference Output Clock IC1 PPS PPS PPS PPS I ST Capture Inputs 1-5 IC2 PPS PPS PPS PPS I ST IC3 PPS PPS PPS PPS I ST IC4 PPS PPS PPS PPS I ST IC5 PPS PPS PPS PPS I ST Legend: CMOS = CMOS compatible input or output Analog = Analog input P = Power ST = Schmitt Trigger input with CMOS levels O = Output I = Input TTL = TTL input buffer PPS = Peripheral Pin Select = N/A Note 1: Pin numbers are provided for reference only. See the Pin Diagrams section for device pin availability. 2: Pin number for PIC32MX1XX devices only. 3: Pin number for PIC32MX2XX devices only. DS J-page Microchip Technology Inc.
21 TABLE 1-1: Pin Name 28-pin QFN PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Number (1) 28-pin SSOP/ SPDIP/ SOIC 36-pin VTLA 44-pin QFN/ TQFP/ VTLA Pin Type Buffer Type Description OC1 PPS PPS PPS PPS O Output Compare Output 1 OC2 PPS PPS PPS PPS O Output Compare Output 2 OC3 PPS PPS PPS PPS O Output Compare Output 3 OC4 PPS PPS PPS PPS O Output Compare Output 4 OC5 PPS PPS PPS PPS O Output Compare Output 5 OCFA PPS PPS PPS PPS I ST Output Compare Fault A Input OCFB PPS PPS PPS PPS I ST Output Compare Fault B Input INT I ST External Interrupt 0 INT1 PPS PPS PPS PPS I ST External Interrupt 1 INT2 PPS PPS PPS PPS I ST External Interrupt 2 INT3 PPS PPS PPS PPS I ST External Interrupt 3 INT4 PPS PPS PPS PPS I ST External Interrupt 4 RA I/O ST PORTA is a bidirectional I/O port RA I/O ST RA I/O ST RA I/O ST RA I/O ST RA7 13 I/O ST RA8 32 I/O ST RA9 35 I/O ST RA10 12 I/O ST RB I/O ST PORTB is a bidirectional I/O port RB I/O ST RB I/O ST RB I/O ST RB I/O ST RB I/O ST RB6 12 (2) 15 (2) 16 (2) 42 (2) I/O ST RB I/O ST RB I/O ST RB I/O ST RB I/O ST RB I/O ST RB12 20 (2) 23 (2) 26 (2) 10 (2) I/O ST RB I/O ST RB I/O ST RB I/O ST Legend: CMOS = CMOS compatible input or output Analog = Analog input P = Power ST = Schmitt Trigger input with CMOS levels O = Output I = Input TTL = TTL input buffer PPS = Peripheral Pin Select = N/A Note 1: Pin numbers are provided for reference only. See the Pin Diagrams section for device pin availability. 2: Pin number for PIC32MX1XX devices only. 3: Pin number for PIC32MX2XX devices only Microchip Technology Inc. DS J-page 21
22 TABLE 1-1: Pin Name 28-pin QFN PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Number (1) 28-pin SSOP/ SPDIP/ SOIC 36-pin VTLA 44-pin QFN/ TQFP/ VTLA Pin Type Buffer Type Description RC I/O ST PORTC is a bidirectional I/O port RC I/O ST RC2 27 I/O ST RC I/O ST RC4 37 I/O ST RC5 38 I/O ST RC6 2 I/O ST RC7 3 I/O ST RC8 4 I/O ST RC I/O ST T1CK I ST Timer1 external clock input T2CK PPS PPS PPS PPS I ST Timer2 external clock input T3CK PPS PPS PPS PPS I ST Timer3 external clock input T4CK PPS PPS PPS PPS I ST Timer4 external clock input T5CK PPS PPS PPS PPS I ST Timer5 external clock input U1CTS PPS PPS PPS PPS I ST UART1 clear to send U1RTS PPS PPS PPS PPS O UART1 ready to send U1RX PPS PPS PPS PPS I ST UART1 receive U1TX PPS PPS PPS PPS O UART1 transmit U2CTS PPS PPS PPS PPS I ST UART2 clear to send U2RTS PPS PPS PPS PPS O UART2 ready to send U2RX PPS PPS PPS PPS I ST UART2 receive U2TX PPS PPS PPS PPS O UART2 transmit SCK I/O ST Synchronous serial clock input/output for SPI1 SDI1 PPS PPS PPS PPS I ST SPI1 data in SDO1 PPS PPS PPS PPS O SPI1 data out SS1 PPS PPS PPS PPS I/O ST SPI1 slave synchronization or frame pulse I/O SCK I/O ST Synchronous serial clock input/output for SPI2 SDI2 PPS PPS PPS PPS I ST SPI2 data in SDO2 PPS PPS PPS PPS O SPI2 data out SS2 PPS PPS PPS PPS I/O ST SPI2 slave synchronization or frame pulse I/O SCL I/O ST Synchronous serial clock input/output for I2C1 Legend: CMOS = CMOS compatible input or output Analog = Analog input P = Power ST = Schmitt Trigger input with CMOS levels O = Output I = Input TTL = TTL input buffer PPS = Peripheral Pin Select = N/A Note 1: Pin numbers are provided for reference only. See the Pin Diagrams section for device pin availability. 2: Pin number for PIC32MX1XX devices only. 3: Pin number for PIC32MX2XX devices only. DS J-page Microchip Technology Inc.
23 TABLE 1-1: Pin Name 28-pin QFN PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Number (1) 28-pin SSOP/ SPDIP/ SOIC 36-pin VTLA 44-pin QFN/ TQFP/ VTLA Pin Type Buffer Type Description SDA I/O ST Synchronous serial data input/output for I2C1 SCL I/O ST Synchronous serial clock input/output for I2C2 SDA I/O ST Synchronous serial data input/output for I2C2 19 (2) 22 (2) 25 (2) TMS 11 (3) 14 (3) 15 (3) 12 I ST JTAG Test mode select pin TCK I ST JTAG test clock input pin TDI O JTAG test data input pin TDO O JTAG test data output pin RTCC O ST Real-Time Clock alarm output CVREF I Analog Comparator Voltage Reference (low) CVREF I Analog Comparator Voltage Reference (high) CVREFOUT O Analog Comparator Voltage Reference output C1INA I Analog Comparator Inputs C1INB I Analog C1INC I Analog C1IND I Analog C2INA I Analog C2INB I Analog C2INC I Analog C2IND I Analog C3INA I Analog C3INB I Analog C3INC I Analog C3IND I Analog C1OUT PPS PPS PPS PPS O Comparator Outputs C2OUT PPS PPS PPS PPS O C3OUT PPS PPS PPS PPS O Legend: CMOS = CMOS compatible input or output Analog = Analog input P = Power ST = Schmitt Trigger input with CMOS levels O = Output I = Input TTL = TTL input buffer PPS = Peripheral Pin Select = N/A Note 1: Pin numbers are provided for reference only. See the Pin Diagrams section for device pin availability. 2: Pin number for PIC32MX1XX devices only. 3: Pin number for PIC32MX2XX devices only Microchip Technology Inc. DS J-page 23
24 TABLE 1-1: Pin Name PMA I/O TTL/ST Parallel Master Port Address bit 0 input (Buffered Slave modes) and output (Master modes) PMA I/O TTL/ST Parallel Master Port Address bit 1 input (Buffered Slave modes) and output (Master modes) PMA2 27 O Parallel Master Port address PMA3 38 O (Demultiplexed Master modes) PMA4 37 O PMA5 4 O PMA6 5 O PMA7 13 O PMA8 32 O PMA9 35 O PMA10 12 O PMCS O Parallel Master Port Chip Select 1 strobe PMD0 PMD1 PMD2 28-pin QFN PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Number (1) 28-pin SSOP/ SPDIP/ SOIC 36-pin VTLA 44-pin QFN/ TQFP/ VTLA Pin Type Buffer Type 20 (2) 23 (2) 26 (2) 10 (2) 1 (3) 4 (3) 35 (3) 21 (3) I/O TTL/ST 19 (2) 22 (2) 25 (2) 9 (2) 2 (3) 5 (3) 36 (3) 22 (3) I/O TTL/ST 18 (2) 21 (2) 24 (2) 8 (2) 3 (3) 6 (3) 1 (3) 23 (3) I/O TTL/ST Description Parallel Master Port data (Demultiplexed Master mode) or address/data (Multiplexed Master modes) PMD I/O TTL/ST PMD I/O TTL/ST PMD I/O TTL/ST PMD6 12 (2) 15 (2) 16 (2) 42 (2) 28 (3) 3 (3) 34 (3) 20 (3) I/O TTL/ST PMD7 11 (2) 14 (2) 15 (2) 41 (2) 27 (3) 2 (3) 33 (3) 19 (3) I/O TTL/ST PMRD O Parallel Master Port read strobe 22 (2) 25 (2) 28 (2) 14 (2) PMWR 4 (3) 7 (3) 2 (3) 24 (3) O Parallel Master Port write strobe VBUS 12 (3) 15 (3) 16 (3) 42 (3) I Analog USB bus power monitor VUSB3V3 20 (3) 23 (3) 26 (3) 10 (3) P USB internal transceiver supply. This pin must be connected to VDD. VBUSON 22 (3) 25 (3) 28 (3) 14 (3) O USB Host and OTG bus power control output D+ 18 (3) 21 (3) 24 (3) 8 (3) I/O Analog USB D+ D- 19 (3) 22 (3) 25 (3) 9 (3) I/O Analog USB D- Legend: CMOS = CMOS compatible input or output Analog = Analog input P = Power ST = Schmitt Trigger input with CMOS levels O = Output I = Input TTL = TTL input buffer PPS = Peripheral Pin Select = N/A Note 1: Pin numbers are provided for reference only. See the Pin Diagrams section for device pin availability. 2: Pin number for PIC32MX1XX devices only. 3: Pin number for PIC32MX2XX devices only. DS J-page Microchip Technology Inc.
25 TABLE 1-1: Pin Name 28-pin QFN PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Number (1) 28-pin SSOP/ SPDIP/ SOIC 36-pin VTLA 44-pin QFN/ TQFP/ VTLA USBID 11 (3) 14 (3) 15 (3) 41 (3) I ST USB OTG ID detect CTED I ST CTMU External Edge Input CTED I ST CTED I ST CTED I ST CTED I ST CTED I ST CTED I ST CTED8 13 I ST CTED I ST CTED I ST CTED I ST CTED I ST CTED I ST CTPLS O CTMU Pulse Output PGED I/O ST Data I/O pin for Programming/Debugging Communication Channel 1 PGEC I ST Clock input pin for Programming/Debugging Communication Channel 1 PGED I/O ST Data I/O pin for Programming/Debugging Communication Channel 2 PGEC I ST Clock input pin for Programming/Debugging Communication Channel 2 PGED3 11 (2) 14 (2) 15 (2) 41 (2) Data I/O pin for Programming/Debugging I/O ST 27 (3) 2 (3) 33 (3) 19 (3) Communication Channel 3 12 (2) 15 (2) 16 (2) 42 (2) PGEC3 I ST 28 (3) 3 (3) 34 (3) 20 (3) PGED I/O ST PGEC Pin Type I Buffer Type ST Description Clock input pin for Programming/ Debugging Communication Channel 3 Data I/O pin for Programming/Debugging Communication Channel 4 Clock input pin for Programming/ Debugging Communication Channel 4 Legend: CMOS = CMOS compatible input or output Analog = Analog input P = Power ST = Schmitt Trigger input with CMOS levels O = Output I = Input TTL = TTL input buffer PPS = Peripheral Pin Select = N/A Note 1: Pin numbers are provided for reference only. See the Pin Diagrams section for device pin availability. 2: Pin number for PIC32MX1XX devices only. 3: Pin number for PIC32MX2XX devices only Microchip Technology Inc. DS J-page 25
26 TABLE 1-1: Pin Name 28-pin QFN PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Number (1) 28-pin SSOP/ SPDIP/ SOIC 36-pin VTLA 44-pin QFN/ TQFP/ VTLA Pin Type Buffer Type Description MCLR I/P ST Master Clear (Reset) input. This pin is an active-low Reset to the device. AVDD P Positive supply for analog modules. This pin must be connected at all times. AVSS P Ground reference for analog modules VDD , 13, 14, 23 28, 40 P Positive supply for peripheral logic and I/O pins VCAP P CPU logic filter capacitor connection VSS 5, 16 8, 19 6, 12, 21 6, 29, 39 P Ground reference for logic and I/O pins. This pin must be connected at all times. VREF I Analog Analog voltage reference (high) input VREF I Analog Analog voltage reference (low) input Legend: CMOS = CMOS compatible input or output Analog = Analog input P = Power ST = Schmitt Trigger input with CMOS levels O = Output I = Input TTL = TTL input buffer PPS = Peripheral Pin Select = N/A Note 1: Pin numbers are provided for reference only. See the Pin Diagrams section for device pin availability. 2: Pin number for PIC32MX1XX devices only. 3: Pin number for PIC32MX2XX devices only. DS J-page Microchip Technology Inc.
27 2.0 GUIDELINES FOR GETTING STARTED WITH 32-BIT MCUs Note: This data sheet summarizes the features of the PIC32MX1XX/2XX 28/36/44-pin Family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to the documents listed in the Documentation > Reference Manual section of the Microchip PIC32 web site ( 2.1 Basic Connection Requirements Getting started with the PIC32MX1XX/2XX 28/36/44- pin Family of 32-bit Microcontrollers (MCUs) requires attention to a minimal set of device pin connections before proceeding with development. The following is a list of pin names, which must always be connected: All VDD and VSS pins (see 2.2 Decoupling Capacitors ) All AVDD and AVSS pins, even if the ADC module is not used (see 2.2 Decoupling Capacitors ) VCAP pin (see 2.3 Capacitor on Internal Voltage Regulator (VCAP) ) MCLR pin (see 2.4 Master Clear (MCLR) Pin ) PGECx/PGEDx pins, used for In-Circuit Serial Programming (ICSP ) and debugging purposes (see 2.5 ICSP Pins ) OSC1 and OSC2 pins, when external oscillator source is used (see 2.7 External Oscillator Pins ) The following pins may be required: VREF+/VREF- pins used when external voltage reference for the ADC module is implemented Note: The AVDD and AVSS pins must be connected, regardless of ADC use and the ADC voltage reference source. 2.2 Decoupling Capacitors The use of decoupling capacitors on power supply pins, such as VDD, VSS, AVDD and AVSS is required. See Figure 2-1. Consider the following criteria when using decoupling capacitors: Value and type of capacitor: A value of 0.1 µf (100 nf), 10-20V is recommended. The capacitor should be a low Equivalent Series Resistance (low-esr) capacitor and have resonance frequency in the range of 20 MHz and higher. It is further recommended that ceramic capacitors be used. Placement on the printed circuit board: The decoupling capacitors should be placed as close to the pins as possible. It is recommended that the capacitors be placed on the same side of the board as the device. If space is constricted, the capacitor can be placed on another layer on the PCB using a via; however, ensure that the trace length from the pin to the capacitor is within onequarter inch (6 mm) in length. Handling high frequency noise: If the board is experiencing high frequency noise, upward of tens of MHz, add a second ceramic-type capacitor in parallel to the above described decoupling capacitor. The value of the second capacitor can be in the range of 0.01 µf to µf. Place this second capacitor next to the primary decoupling capacitor. In high-speed circuit designs, consider implementing a decade pair of capacitances as close to the power and ground pins as possible. For example, 0.1 µf in parallel with µf. Maximizing performance: On the board layout from the power supply circuit, run the power and return traces to the decoupling capacitors first, and then to the device pins. This ensures that the decoupling capacitors are first in the power chain. Equally important is to keep the trace length between the capacitor and the power pins to a minimum thereby reducing PCB track inductance Microchip Technology Inc. DS J-page 27
28 FIGURE 2-1: Tantalum or VDD ceramic 10 µf ESR 3 (3) 10K R1 MCLR 1K C 0.1 µf 0.1 µf Ceramic VSS VDD Connect (2) L1 (2) AVDD BULK CAPACITORS RECOMMENDED MINIMUM CONNECTION PIC32 The use of a bulk capacitor is recommended to improve power supply stability. Typical values range from 4.7 µf to 47 µf. This capacitor should be located as close to the device as possible. 2.3 Capacitor on Internal Voltage Regulator (VCAP) AVSS 0.1 µf Ceramic INTERNAL REGULATOR MODE A low-esr (3 ohm) capacitor is required on the VCAP pin, which is used to stabilize the internal voltage regulator output. The VCAP pin must not be connected to VDD, and must have a CEFC capacitor, with at least a 6V rating, connected to ground. The type can be ceramic or tantalum. Refer to 30.0 Electrical Characteristics for additional information on CEFC specifications. VDD VDD VSS VSS 0.1 µf Ceramic VDD VSS 0.1 µf Ceramic 0.1 µf Ceramic Note 1: If the USB module is not used, this pin must be connected to VDD. 2: As an option, instead of a hard-wired connection, an inductor (L1) can be substituted between VDD and AVDD to improve ADC noise rejection. The inductor impedance should be less than 3 and the inductor capacity greater than 10 ma. Where: f = f = L = FCNV VCAP LC f C VUSB3V3 (1) (i.e., ADC conversion rate/2) 1: Aluminum or electrolytic capacitors should not be used. ESR 3 from -40ºC to SYSCLK frequency (i.e., MIPS). 2.4 Master Clear (MCLR) Pin The MCLR pin provides two specific device functions: Device Reset Device programming and debugging Pulling The MCLR pin low generates a device Reset. Figure 2-2 illustrates a typical MCLR circuit. During device programming and debugging, the resistance and capacitance that can be added to the pin must be considered. Device programmers and debuggers drive the MCLR pin. Consequently, specific voltage levels (VIH and VIL) and fast signal transitions must not be adversely affected. Therefore, specific values of R and C will need to be adjusted based on the application and PCB requirements. For example, as illustrated in Figure 2-2, it is recommended that the capacitor C, be isolated from the MCLR pin during programming and debugging operations. Place the components illustrated in Figure 2-2 within one-quarter inch (6 mm) from the MCLR pin. FIGURE 2-2: ICSP 0.1 µf (2) R VDD VDD VSS NC 10k C 2.5 ICSP Pins EXAMPLE OF MCLR PIN CONNECTIONS R1 (1) 1 k MCLR PIC32 PGECx (3) PGEDx (3) Note 1: 470 R1 1 will limit any current flowing into MCLR from the external capacitor C, in the event of MCLR pin breakdown, due to Electrostatic Discharge (ESD) or Electrical Overstress (EOS). Ensure that the MCLR pin VIH and VIL specifications are met without interfering with the Debug/Programmer tools. 2: The capacitor can be sized to prevent unintentional Resets from brief glitches or to extend the device Reset period during POR. 3: No pull-ups or bypass capacitors are allowed on active debug/program PGECx/PGEDx pins. The PGECx and PGEDx pins are used for ICSP and debugging purposes. It is recommended to keep the trace length between the ICSP connector and the ICSP pins on the device as short as possible. If the ICSP connector is expected to experience an ESD event, a series resistor is recommended, with the value in the range of a few tens of Ohms, not to exceed 100 Ohms. DS J-page Microchip Technology Inc.
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