STM32L073x8 STM32L073xB STM32L073xZ Ultra-low-power 32-bit MCU Arm -based Cortex -M0+, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, LCD, USB, ADC, DACs Datasheet - production data Features FBGA FBGA Ultra-low-power platform 1.65 V to 3.6 V power supply UFQFPN48 -40 to 125 C temperature range UFBGA100 LQFP48 (7 x 7 mm) (7x7 mm) 7x7 mm LQFP64 (10x10 mm) TFBGA64 0.29 A Standby mode (3 wakeup pins) LQFP100 (14x14 mm) 5x5 mm 0.43 A Stop mode (16 wakeup lines) 0.86 A Stop mode + RTC + 20-Kbyte RAM retention Down to 93 A/MHz in Run mode WLCSP49 (3.294x3.258 mm) 5 s wakeup time (from Flash memory) 41 A 12-bit ADC conversion at 10 ksps Pre-programmed bootloader Core: Arm 32-bit Cortex -M0+ with MPU USB, USART supported From 32 kHz up to 32 MHz max. Development support 0.95 DMIPS/MHz Serial wire debug supported Memories LCD driver for up to 4x52 or 8x48 segments Up to 192-Kbyte Flash memory with ECC Support contrast adjustment (2 banks with read-while-write capability) Support blinking mode 20-Kbyte RAM Step-up converted on board 6 Kbytes of data EEPROM with ECC Rich Analog peripherals 20-byte backup register 12-bit ADC 1.14 Msps up to 16 channels Sector protection against R/W operation (down to 1.65 V) Up to 84 fast I/Os (78 I/Os 5V tolerant) 2 x 12-bit channel DACs with output buffers Reset and supply management (down to 1.8 V) Ultra-safe, low-power BOR (brownout 2x ultra-low-power comparators (window reset) with 5 selectable thresholds mode and wake up capability, down to Ultra-low-power POR/PDR 1.65 V) Programmable voltage detector (PVD) Up to 24 capacitive sensing channels Clock sources supporting touchkey, linear and rotary touch 1 to 25 MHz crystal oscillator sensors 32 kHz oscillator for RTC with calibration 7-channel DMA controller, supporting ADC, High speed internal 16 MHz factory- SPI, I2C, USART, DAC, Timers trimmed RC (+/- 1%) Internal low-power 37 kHz RC Internal multispeed low-power 65 kHz to 4.2 MHz RC Internal self calibration of 48 MHz RC for USB PLL for CPU clock August 2020 DS10685 Rev 6 1/157 This is information on a product in full production. www.st.comSTM32L073xx 11x peripheral communication interfaces 11x timers: 2x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low- 1x USB 2.0 crystal-less, battery charging power timer, 1x SysTick, 1x RTC, 2x 16-bit detection and LPM basic for DAC, and 2x watchdogs 4x USART (2 with ISO 7816, IrDA), 1x (independent/window) UART (low power) CRC calculation unit, 96-bit unique ID Up to 6x SPI 16 Mbits/s True RNG and firewall protection 3x I2C (2 with SMBus/PMBus) All packages are ECOPACK2 Table 1. Device summary Reference Part number STM32L073x8 STM32L073V8 STM32L073xB STM32L073VB, STM32L073RB, STM32L073CB STM32L073xZ STM32L073VZ, STM32L073RZ, STM32L073CZ 2/157 DS10685 Rev 6