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STM32L031G6 Dataheets PDF



Part Number STM32L031G6
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description Access line ultra-low-power 32-bit MCU
Datasheet STM32L031G6 DatasheetSTM32L031G6 Datasheet (PDF)

STM32L031x4 STM32L031x6 Access line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0+, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC Datasheet - production data Features • Ultra-low-power platform – 1.65 V to 3.6 V power supply – -40 to 125 °C temperature range – 0.23 µA Standby mode (2 wakeup pins) – 0.35 µA Stop mode (16 wakeup lines) – 0.6 µA Stop mode + RTC + 8 KB RAM retention – Down to 76 µA/MHz in Run mode – 5 µs wakeup time (from Flash memory) – 41 µA 12-bit ADC conversion at 10 ksps • C.

  STM32L031G6   STM32L031G6


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STM32L031x4 STM32L031x6 Access line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0+, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC Datasheet - production data Features • Ultra-low-power platform – 1.65 V to 3.6 V power supply – -40 to 125 °C temperature range – 0.23 µA Standby mode (2 wakeup pins) – 0.35 µA Stop mode (16 wakeup lines) – 0.6 µA Stop mode + RTC + 8 KB RAM retention – Down to 76 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+ – From 32 kHz up to 32 MHz max. – 0.95 DMIPS/MHz • Reset and supply management – Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds – Ultralow 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 – PLL for CPU clock • Pre-programmed bootloader – USART, SPI supported • Development support – Serial wire debug supported • Up to 38 fast I/Os (31 I/Os 5V tolerant) • Memories – Up to 32-Kbyte Flash with ECC – 8-Kbyte RAM – 1-Kbyte of data EEPROM with ECC – 20-byte backup register – Sector protection against R/W operation TSSOP20 UFQFPN28 4x4 mm 169 mils UFQFPN32 5x5 mm UFQFPN48 7x7 mm LQFP32/48 7x7 mm WLCSP25 2.097x2.493 mm – • Rich Analog peripherals – 12-bit ADC 1.14 Msps up to 10 channels (down to 1.65 V) – 2x ultra-low-power comparators (window mode and wake up capability, down to 1.65 V) • 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers • 5x peripherals communication interface • 1x USART (ISO 7816, IrDA), 1x UART (low power) • Up to 2 SPI interfaces, up to 16 Mbits/s • 1x I2C (SMBus/PMBus) • 8x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC and 2x watchdogs (independent/window) • CRC calculation unit, 96-bit unique ID • All packages are ECOPACK®2 Table 1. Device summary Reference Part number STM32L031x4 STM32L031G4, STM32L031K4, STM32L031C4, STM32L031E4, STM32L031F4 STM32L031x6 STM32L031G6, STM32L031K6, STM32L031C6, STM32L031E6, STM32L031F6 March 2018 This is information on a product in full production. DS10668 Rev 6 1/126 www.st.com Contents Contents STM32L031x4/6 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.1 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 2.2 Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.1 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.2 Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.3 Arm® Cortex®-M0+ core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.4 Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.4.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.4.2 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.4.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.4.4 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.5 Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.6 Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 25 3.7 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.8 Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . . 26 3.9 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.10 Direct memory access (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.11 Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.12 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.12.1 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.13 Ultra-low-power comparators and reference voltage . . . . . . . . . . . . . . . . 28 3.14 System configuration controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


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