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STMicroelectronics Electronic Components Datasheet

STM32G031K6 Datasheet

Arm Cortex-M0+ 32-bit MCU

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STM32G031x4/x6/x8
Arm® Cortex®-M0+ 32-bit MCU, up to 64 KB Flash, 8 KB RAM,
2x USART, timers, ADC, comm. I/Fs, 1.7-3.6V
Datasheet - production data
Features
Core: Arm® 32-bit Cortex®-M0+ CPU,
frequency up to 64 MHz
-40°C to 85°C/125°C operating temperature
Memories
– Up to 64 Kbytes of Flash memory
– 8 Kbytes of SRAM with HW parity check
CRC calculation unit
Reset and power management
– Voltage range: 1.7 V to 3.6 V
– Power-on/Power-down reset (POR/PDR)
– Programmable Brownout reset (BOR)
– Programmable voltage detector (PVD)
– Low-power modes:
Sleep, Stop, Standby, Shutdown
– VBAT supply for RTC and backup registers
Clock management
– 4 to 48 MHz crystal oscillator
– 32 kHz crystal oscillator with calibration
– Internal 16 MHz RC with PLL option (±1 %)
– Internal 32 kHz RC oscillator (±5 %)
Up to 44 fast I/Os
– All mappable on external interrupt vectors
– Multiple 5 V-tolerant I/Os
5-channel DMA controller with flexible mapping
12-bit, 0.4 µs ADC (up to 16 ext. channels)
– Up to 16-bit with hardware oversampling
– Conversion range: 0 to 3.6V
11 timers (one 128 MHz capable): 16-bit for
advanced motor control, one 32-bit and four
16-bit general-purpose, two low-power 16-bit,
two watchdogs, SysTick timer
Calendar RTC with alarm and periodic wakeup
from Stop/Standby/Shutdown
SO8N
4.9 × 6 mm
TSSOP20
6.4 × 4.4 mm
LQFP32
7 × 7 mm
LQFP48
7 × 7 mm
WLCSP18
1.86 × 2.14 mm
UFQFPN28
4 × 4 mm
UFQFPN32
5 × 5 mm
UFQFPN48
7 × 7 mm
Communication interfaces
– Two I2C-bus interfaces supporting Fast-
mode Plus (1 Mbit/s) with extra current
sink, one supporting SMBus/PMBus and
wakeup from Stop mode
– Two USARTs with master/slave
synchronous SPI; one supporting ISO7816
interface, LIN, IrDA capability, auto baud
rate detection and wakeup feature
– One low-power UART
– Two SPIs (32 Mbit/s) with 4- to 16-bit
programmable bitframe, one multiplexed
with I2S interface
Development support: serial wire debug (SWD)
96-bit unique ID
All packages ECOPACK®2 compliant
Table 1. Device summary
Reference
Part number
STM32G031x4
STM32G031x6
STM32G031x8
STM32G031C4, STM32G031K4,
STM32G031G4, STM32G031F4,
STM32G031J4
STM32G031C6, STM32G031K6,
STM32G031G6, STM32G031F6,
STM32G031J6
STM32G031C8, STM32G031K8,
STM32G031G8, STM32G031F8,
STM32G031Y8
June 2019
This is information on a product in full production.
DS12992 Rev 1
1/117
www.st.com


STMicroelectronics Electronic Components Datasheet

STM32G031K6 Datasheet

Arm Cortex-M0+ 32-bit MCU

No Preview Available !

Contents
Contents
STM32G031x4/x6/x8
1
2
3
2/117
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Arm® Cortex®-M0+ core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.3 Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.4 Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.5 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.6 Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 15
3.7 Power supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.7.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.7.2 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.7.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.7.4 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.7.5 Reset mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.7.6 VBAT operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.8 Interconnect of peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.9 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.10 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.11 Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.12 DMA request multiplexer (DMAMUX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.13 Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.13.1 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 22
3.13.2 Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 22
3.14 Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.14.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.15
3.14.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.14.3 VBAT battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Voltage reference buffer (VREFBUF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.16 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.16.1 Advanced-control timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
DS12992 Rev 1


Part Number STM32G031K6
Description Arm Cortex-M0+ 32-bit MCU
Maker STMicroelectronics
Total Page 30 Pages
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