Document
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
Includes ST state-of-the-art patented technology
• Ultra-low-power platform – 1.65 V to 3.6 V power supply – -40 to 125 °C temperature range – 0.29 µA Standby mode (3 wakeup pins) – 0.43 µA Stop mode (16 wakeup lines) – 0.86 µA Stop mode + RTC + 20-Kbyte RAM retention – Down to 93 µA/MHz in Run mode – 5 µs wakeup time (from Flash memory) – 41 µA 12-bit ADC conversion at 10 ksps
• Core: Arm® 32-bit Cortex®-M0+ with MPU – From 32 kHz up to 32 MHz max. – 0.95 DMIPS/MHz
• Memories – Up to 192-Kbyte Flash memory with ECC (2 banks with read-while-write capability) – 20-Kbyte RAM – 6 Kbytes of data EEPROM with ECC – 20-byte backup register – Sector protection against R/W operation
• Up to 84 fast I/Os (78 I/Os 5V tolerant) • Reset and supply management
– Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
– Ultra-low-power POR/PDR – Programmable voltage detector (PVD) • Clock sources – 1 to 25 MHz crystal oscillator – 32 kHz oscillator for RTC with calibration – High speed internal 16 MHz factory-
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 • Pre-programmed bootloader
UFBGA
FBGA
LQFP48 (7 x 7 mm) LQFP64 (10x10 mm) LQFP100 (14x14 mm)
UFQFPN48 (7x7 mm)
UFBGA100 7x7 mm
TFBGA64 5x5 mm
WLCSP49 (3.294x3.258 mm)
– USB, USART supported • Development support
– Serial wire debug supported • LCD driver for up to 4x52 or 8x48 segments
– Support contrast adjustment – Support blinking mode – Step-up converted on board • Rich Analog peripherals – 12-bit ADC 1.14 Msps up to 16 channels
(down to 1.65 V) – 2 x 12-bit channel DACs with output buffers
(down to 1.8 V) – 2x ultra-low-power comparators (window
mode and wake up capability, down to 1.65 V) • Up to 24 capacitive sensing channels supporting touchkey, linear and rotary touch sensors • 7-channel DMA controller, supporting ADC, SPI, I2C, USART, DAC, Timers • 11x peripheral communication interfaces – 1x USB 2.0 crystal-less, battery charging detection and LPM – 4x USART (2 with ISO 7816, IrDA), 1x UART (low power) – Up to 6x SPI 16 Mbits/s – 3x I2C (2 with SMBus/PMBus) • 11x timers: 2x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-lowpower timer, 1x SysTick, 1x RTC, 2x 16-bit
September 2022
This is information on a product in full production.
DS10685 Rev 7
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www.st.com
STM32L073xx
basic for DAC, and 2x watchdogs (independent/window) • CRC calculation unit, 96-bit unique ID
• True RNG and firewall protection • All packages are ECOPACK2
Table 1. Device summary
Reference
Part number
STM32L073x8 STM32L073xB STM32L073xZ
STM32L073V8 STM32L073VB, STM32L073RB, STM32L073CB STM32L073VZ, STM32L073RZ, STM32L073CZ
2/163
DS10685 Rev 7
STM32L073.