SP1ML-868 and 915MHz RF SubGHz Modules

Transcription

1 SP1ML-868 and 915MHz RF SubGHz Modules Filippo Colaianni Technical Marketing Section Manager - Smart Meter & HBA Sub GHz & PLM Modules Product Marketing Manager Central LAB

2 13.4mm SP1ML RF SubGHz modules Introduction SP1ML-868 and SP1ML-915 are low power & full integrated RF modules based on the SPIRIT1 radio STM32L1 integrated Integrated voltage regulation Integrated Front end & antenna Integrated crystal The module allows to easily add wireless capability to any electronic device without requiring in-depth RF experience SP1ML-915 is FCC modular approvals (FCC ID: S9NSP1ML) CE compliance Reduce time to market. 14mm

3 BALUN Chip Antenna SP1ML-868 and 915 modules 3 Add wireless capability to any electronic device without requiring RF experience 13.4 mmm SPIRIT1 Modules for 868MHz and 915MHz Module based on: o SPIRIT1 low power subghz transceiver o STM32L151RBH6 MCU 32Kb RAM 128Kb FLASH o BALF-SPI-01D3 868/915MHz IPD balun and filter 14 mmm Supports 868MHz SRD and 915MHz ISM bands Surface Mounted antenna 1.8 V to 3.6 V supply - Low power consumption Output power up to +11.6dBm STM32L1 SPIRIT1 Air data rates up to 500kbps Modulation schemes: 2-FSK, GFSK, MSK, GMSK, OOK, ASK Operating temperature: -40 C to 85 C CE compliant SP1ML-915 is FCC certified (FCC ID S9NSP1ML) Standard FW with AT Command set interface via UART for configuration and cable replacement model Standard FW can be replaced by user applications running on the STM32L with full access to SPIRIT1 features

4 SP1ML Firmware AT Commands - Firmware SP1ML is provided with wireless serial cable replacement FW UART host interface allows simple connection to an external host microcontroller Host microcontroller GPIOs to control SP1ML (shutdown mode, switch from command to operation mode, FW upgrade) HW implementation AT command example Host micro UART GPIOs Open Platform - Application Processor SP1ML FW could be replaced by a user application, enabling use as a wireless application module where no external microprocessor system is required.

5 SP1ML footprint AT command firmware LED for TX/RX status indication. Shutdown Switch between command and operating modes SWD Interface BOOT and RESET UART for AT Command IFs SP1ML Host micro UART GPIOs

6 SP1ML - AT Commands 6 Command reference ATO AT/V ATIn Enter operating mode Read module version information Read an information register ATSnn? Read a configuration register ( * ) ATSnn=x Write a configuration register ( * ) AT/S Read all configuration registers AT/C Store the current configuration ATZ Restart the module ( * ) Configuration registers AT/SRnn? AT/SRnn=xx Read a SPIRIT1 radio register Write a SPIRIT1 radio register S00 BAUD_RATE S01 FREQUENCY S02 DATA_RATE S12 CRC_MODE S13 WHITENING S14 FEC AT/Tn Set RF test mode S03 MODULATION S15 SOURCE_ADDR S04 OUTPUT_POWER S16 DESTINATION_ADDR S05 FREQ_DEVIATION S17 MULTICAST_ADDR S06 RX_FILTER S18 BROADCAST_ADDR S07 CS_MODE S19 FILTER_xxx AT Commands MCU HOST S08 RSSI_THRESHOLD S09 PREAMBLE_LEN S10 SYNC_LENGTH S11 SYNC_VALUE TXRX_LED HW_FLOW_CTRL ESCAPE_SEQ

7 SP1ML Evaluation tool USB dongle STEVAL-SP1ML868 and STEVAL-SP1ML915 STEVAL-SP1ML868 and 915 demonstration board allows to evaluate SP1ML-868 and 915 module in a quick and simple way. USB connector is used to connect the dongle with a PC, to access the SubGiga module and to supply the dongle

8 more SPSGRF-868 and 915 RF SubGHz only 8 SPIRIT1 Modules for 868MHz and 915MHz Module based on: SPIRIT1 low power subghz transceiver BALF-SPI-01D3 balun and filter SPSGRF-868 and SPSGRF-915 Surface Mount antenna Tiny size: 13.5 x 11.5cm 500Kbps datarate Temp. range from -40 C to 85 C Receiver sensitivity: -118 dbm Output power up to dbm RX: 9mA, Tx: +11dBm Shut Down: 2.5nA SPI host interface CE compliant SPSGRF-915 is an FCC certified module (FCC ID: S9NSPSGRF)

9 Thanks

10 Back-up

11 ARM Cortex-M3 at 32MHz o 1.25 DMIPS/MHz o 3.32 CoreMark/MHz STM32L1x 11 Up to 512 Up to V to 3.6V, 32MHz full operations Up to 16 Digital down to 1.65V -40 C to +105 C temperature range Multiple clock sources Rich analog (down to 1.8V) o 3x Operational Amplifier o 12-bit ADC 1 Msps up to 40 channels o 12-bit DAC 2 ch with output buffers o 2x ultra-low-power-comparators 12x peripherals communication interface o 1x USB 2.0 FS certified (internal 48 MHz PLL) o 5x USART o 3x SPI 16 Mbits/s (2x SPI with I2S) o 2x I2C (SMBus/PMBus) o 1x FSMC interface o 1x SDIO interface Flash + Ram code sector lock 11x timers

12 STM32L1 Polyvalent Platform 12 Ultra-low-power and efficient with 1.65V to 3.6V VDD range Run on Multispeed Internal Clock (MSI) : 177 µa/mhz (Most power efficient ACTIVE mode) Run full speed (32 MHz): 257 µa/mhz with 2.93 CoreMark/MHz Run low-power (32 khz 137 khz): from 9 µa to 37 µa (down to 4.4 µa in Low-power Sleep) Additional 2 ultra-low-power modes Stop mode: down to 435 na with Full RAM retention (1.3 μa with RTC, 16 wakeup line) Standby mode: down: 280 na (with POR, PDR, 3 wakeup pins and 20byte of backup RAM retention) Dynamic voltage scaling Security and safety Maximum f CPU (MHz) µA/MHz 1 Clock Security System Reset circuitry Memory protection unit Anti tamper µA/MHz 1 Unique ID Dual watchdog Back-up clock AES Encryption 4 177µA/MHz 1 JTAG fuse Back-up register 1.2 V 1.5 V 1.8 V U DIG 3 Core Voltage ranges Supply monitoring Flash & E 2 with ECC Value given for V DD 25 C Execution from Flash 1/ Run from Flash with int. osc. at min values SW selectable

13 RF Transceivers Family Sub-GHz: SPIRIT1 Multi band : 150MHz, 433, 868 to 956Mhz Ultra low current consumption Mod.: 2-FSK, 2-GFSK, MSK, OOK, ASK Programmable output power up to +16dBm Excellent receiver Sensitivity: -118dBm RX: 9mA, Tx: +11dBm Shut Down: 2.5nA Wireless MBUS FCC and CE Certified Module available Cuts power budget by 50% over competing devices Source: STMicroelectronics

14 BALUN for SPIRIT1 RF: BALF-SPI-01D3 Integrated solution : Higher Reliability, better Performance (IL) thanks to low parasitic Glass wafer, greatly reduce PCB sensibility IPAD Technology on Glass : already used by main RF players 868 to 920 MHz frequency range Discrete Package Integrated Passive Die Filter, Diplexer, Coupler No components dispersion or temperature variation Reduce Size < 3mm² (up to 70% vs discrete solution) Reduce cost Cost (-60% from BOM+PCB) filter 2.0 x 1.4 mm² Balun

15 Thank You