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Product description: STM32 LoRa WLE5JC - STM32WLE5JC ARM Cortex M4
Module withSTM32WLE5JCmicrocontroller,ARM Cortex M4core andLoRa SX126xchip operating in the bandfrom 150 MHz to 960 MHz. The LoRa narrowband wireless communication standard enablesdata transmission over long distances.The chip also supports many standard modulations (G)FSK, (G)MSK, BPSK. The module is equipped with 256 kB Flash memory and 64 kB RAM. The board has interfaces such as USART, LPUART, SPI, I2C, ADC, DAC, AES, GPIO. The module is powered from portmicroUSBport, it also has a slot for a CR2032 battery for theRTCchip. The STM32WL chip is equipped with two HF power amplifiers. (15 dBm and 22 dBm) and a wide linear frequency range to fit any unlicensed RF band needs.
STM32WLE5JC module.
LoRa communication.LoRa wireless communication
STM32WLE5 series microcontrollers meet the requirements of the LoRaWAN physical layer issued by the LoRa Alliance. LoRa, (G)FSK, (G)MSK and BPSK modulations can also be used in legacy and proprietary protocols. Radio communications are suitable for systems compliant with radio regulations, including but not limited to ETSI EN300 220, FCC CFR 47 Part 15, Chinese regulatory requirements, and Japanese ARIB T-108. The 150 MHz to 960 MHz frequency range supports all major ISM sub-GHz bands worldwide.
STM32WLE5 module specifications
- Chip: STM32WLE5JC ARM Cortex M4 32-bit 48 MHz
- Flash memory: 256 kB
- RAM: 64 kB
- Communication: LoRa
- Frequency range: 150 MHz to 960 MHz
- RX sensitivity: -123 dB for 2-FSK (at 1.2 kB/s), -148 dB for LoRa (at 10.4 kHz)
- Compatible protocols: LoRaWAN, Sigfox, W-MBus and more
- Supply voltage: 1.8 V to 3.6 V (5 V via microUSB)
- Current consumption at idle: 31 nA
- Standby current consumption (+RTC): 360 nA
- Current consumption when receiving: 3.82 mA
- Current consumption when transmitting: 15 mA at 10 dB and 87 mA at 20 dB (LoRa 125 kHz)
- Hardware encryption: AES 256 bit
- Random Number Generation (RNG)
- Pinouts:
- 2x USART
- 1x LPUART
- 2x SPI 16 Mb/s
- 3x I2C
- 2x 1-channel 16-bit timer
- 1x 4-channel 16-bit timer
- 1x 4-channel 32-bit timer
- 1x ultra low power timer 16-bit
- 1x RTC
- 1x independent SysTick
- 1x independent watchdog
- 1x window watchdog
- Up to 43 I/Os tolerating 5 V
- Dimensions: 76 x 70 mm
STM32WLE5 module.
