STM32WLE5xx STM32WLE4xx Multiprotocol LPWAN 32-bit Arm Cortex -M4 MCUs, LoRa , (G)FSK, (G)MSK, BPSK, up to 256KB Flash, 64KB SRAM Datasheet - production data Features Includes ST state-of-the-art patented technology UFBGA73 WLCSP59 UFQFPN48 Radio (5 x 5 mm) (7 x 7 mm) Includes ST state-of -the-art patented Active-mode TX: 15 mA at 10 dBm and 87 mA technology at 20 dBm (LoRa 125 kHz) Frequency range: 150 MHz to 960 MHz Core Modulation: LoRa , (G)FSK, (G)MSK and BPSK 32-bit Arm Cortex -M4 CPU RX sensitivity: 123 dBm for 2-FSK Adaptive real-time accelerator (ART (at 1.2 Kbit/s), 148 dBm for LoRa Accelerator) allowing 0-wait-state (at 10.4 kHz, spreading factor 12) execution from Flash memory, frequency up to 48 MHz, MPU and DSP instructions Transmitter high output power, programmable 1.25 DMIPS/MHz (Dhrystone 2.1) up to +22 dBm Transmitter low output power, programmable Security and identification up to +15 dBm Hardware encryption AES 256-bit Compliant with the following radio frequency regulations such as ETSI EN 300 220, True random number generator (RNG) EN 300 113, EN 301 166, FCC CFR 47 Sector protection against read/write operations Part 15, 24, 90, 101 and the Japanese ARIB (PCROP, RDP, WRP) STD-T30, T-67, T-108 CRC calculation unit Compatible with standardized or proprietary Unique device identifier (64-bit UID compliant protocols such as LoRaWAN , Sigfox, with IEEE 802-2001 standard) W-MBus and more (fully open wireless system-on-chip) 96-bit unique die identifier Hardware public key accelerator (PKA) Ultra-low-power platform Supply and reset management 1.8 V to 3.6 V power supply 40 C to +105 C temperature range High-efficiency embedded SMPS step-down converter Shutdown mode: 31 nA (V = 3 V) DD SMPS to LDO smart switch Standby (+ RTC) mode: 360 nA (V = 3 V) Ultra-safe, low-power BOR (brownout reset) DD with 5 selectable thresholds Stop2 (+ RTC) mode: 1.07 A (V = 3 V) DD Ultra-low-power POR/PDR Active-mode MCU: < 72 A/MHz (CoreMark ) Programmable voltage detector (PVD) Active-mode RX: 4.82 mA July 2021 DS13105 Rev 9 1/146 This is information on a product in full production. www.st.comSTM32WLE5/E4xx V mode with RTC and 20x32-bit backup System peripherals BAT registers Semaphores for processor firmware process synchronization Clock sources 32 MHz crystal oscillator Controllers TCXO support: programmable supply voltage 2x DMA controller (7 channels each) supporting ADC, DAC, SPI, I2C, LPUART, 32 kHz oscillator for RTC with calibration USART, AES and timers High-speed internal 16 MHz factory trimmed 2x USART (ISO 7816, IrDA, SPI) RC ( 1 %) 1x LPUART (low-power) Internal low-power 32 kHz RC 2x SPI 16 Mbit/s (1 over 2 supporting I2S) Internal multi-speed low-power 100 kHz to 48 MHz RC 3x I2C (SMBus/PMBus) PLL for CPU, ADC and audio clocks 2x 16-bit 1-channel timer 1x 16-bit 4-channel timer (supporting Memories motor control) Up to 256-Kbyte Flash memory 1x 32-bit 4-channel timer Up to 64-Kbyte RAM 3x 16-bit ultra-low-power timer 20x32-bit backup register 1x RTC with 32-bit sub-second wakeup Bootloader supporting USART and SPI counter interfaces 1x independent SysTick OTA (over-the-air) firmware update capable 1x independent watchdog Sector protection against read/write operations 1x window watchdog Rich analog peripherals (down to 1.62 V) Up to 43 I/Os, most 5 V-tolerant 12-bit ADC 2.5 Msps, up to 16 bits with Development support hardware oversampling, conversion range up to 3.6 V Serial-wire debug (SWD), JTAG 12-bit DAC, low-power sample-and-hold All packages ECOPACK2 compliant 2x ultra-low-power comparators Table 1. Device summary Reference Part number STM32WLE5C8, STM32WLE5CB, STM32WLE5CC STM32WLE5xx microcontrollers STM32WLE5J8, STM32WLE5JB, STM32WLE5JC STM32WLE5U8, STM32WLE5UB, STM32WLE5UC STM32WLE4C8, STM32WLE4CB, STM32WLE4CC STM32WLE4xx microcontrollers STM32WLE4J8, STM32WLE4JB, STM32WLE4JC STM32WLE4U8, STM32WLE4UB, STM32WLE4UC 2/146 DS13105 Rev 9