This is information on a product in full production.

February 2021 DS12589 Rev 4 1/197

STM32G431x6 STM32G431x8

STM32G431xB

Arm

Cortex

-M4 32-bit MCU+FPU, 170 MHz /213 DMIPS,

up to 128 KB Flash, 32 KB SRAM, rich analog, math accelerator

Datasheet - production data

Features

Includes ST state-of-the-art patented

technology

• Core: Arm

32-bit Cortex

-M4 CPU with FPU,

Adaptive real-time accelerator (ART

Accelerator) allowing 0-wait-state execution

from Flash memory, frequency up to 170 MHz

with 213 DMIPS, MPU, DSP instructions

• Operating conditions:

–V

, V

DDA

voltage range:

1.71 V to 3.6 V

• Mathematical hardware accelerators

– CORDIC for trigonometric functions

acceleration

– FMAC: filter mathematical accelerator

• Memories

– 128 Kbytes of Flash memory with ECC

support, proprietary code readout

protection (PCROP), securable memory

area, 1 Kbyte OTP

– 22 Kbytes of SRAM, with hardware parity

check implemented on the first 16 Kbytes

– Routine booster: 10 Kbytes of SRAM on

instruction and data bus, with hardware

parity check (CCM SRAM)

• Reset and supply management

– Power-on/power-down reset

(POR/PDR/BOR)

– Programmable voltage detector (PVD)

– Low-power modes: sleep, stop, standby

and shutdown

–V

BAT

supply for RTC and backup registers

• Clock management

–4

to 48 MHz crystal oscillator

– 32 kHz oscillator with calibration

– Internal 16 MHz RC with PLL option (± 1%)

–

Internal 32 kHz RC oscillator (± 5%)

• Up to 86 fast I/Os

– All mappable on external interrupt vectors

– Several I/Os with 5 V tolerant capability

• Interconnect matrix

• 12-channel DMA controller

• 2 x ADCs 0.25 µs (up to 23 channels).

Resolution up to 16-bit with hardware

oversampling, 0 to 3.6 V conversion range

• 4 x 12-bit DAC channels

– 2 x buffered external channels 1 MSPS

– 2 x unbuffered internal channels 15 MSPS

• 4 x ultra-fast rail-to-rail analog comparators

• 3 x operational amplifiers that can be used in

PGA mode, all terminals accessible

• Internal voltage reference buffer (VREFBUF)

supporting three output voltages (2.048 V,

2.5 V, 2.9 V)

• 14 timers:

– 1 x 32-bit timer and 2 x 16-bit timers with up

to four IC/OC/PWM or pulse counter and

quadrature (incremental) encoder input

– 2 x 16-bit 8-channel advanced motor

control timers, with up to 8 x PWM

channels, dead time generation and

emergency stop

– 1 x 16-bit timer with 2 x IC/OCs, one

OCN/PWM, dead time generation and

emergency stop

– 2 x 16-bit timers with IC/OC/OCN/PWM,

dead time generation and emergency stop

– 2 x watchdog timers (independent, window)

– 1 x SysTick timer: 24-bit downcounter

LQFP48 (7 x 7 mm)

LQFP64 (10 x 10 mm)

LQFP80 (12 x 12 mm)

LQFP32 (7 x 7 mm)

UFBGA64

(5 x 5 mm)

UFQFPN32 (5 x 5 mm)

UFQFPN48 (7 x 7 mm)

WLCSP49

(Pitch 0.4)

FBGA

LQFP100 (14 x 14 mm)

www.st.com

STM32G431x6 STM32G431x8 STM32G431xB

2/197 DS12589 Rev 4

– 2 x 16-bit basic timers

– 1 x low-power timer

• Calendar RTC with alarm, periodic wakeup

from stop/standby

• Communication interfaces

– 1 x FDCAN controller supporting flexible

data rate

– 3 x I

C Fast mode plus (1 Mbit/s) with

20 mA current sink, SMBus/PMBus,

wakeup from stop

– 4 x USART/UARTs (ISO 7816 interface,

LIN, IrDA, modem control)

–1 x LPUART

– 3 x SPIs, 4 to 16 programmable bit frames,

2 x with multiplexed half duplex I

interface

– 1 x SAI (serial audio interface)

– USB 2.0 full-speed interface with LPM and

BCD support

– IRTIM (infrared interface)

– USB Type-C™ /USB power delivery

controller (UCPD)

• True random number generator (RNG)

• CRC calculation unit, 96-bit unique ID

• Development support: serial wire debug

(SWD), JTAG, Embedded Trace Macrocell™

Table 1. Device summary

Reference Part number

STM32G431x6 STM32G431C6, STM32G431K6, STM32G431R6, STM32G431V6, STM32G431M6

STM32G431x8 STM32G431C8, STM32G431K8, STM32G431R8, STM32G431V8, STM32G431M8

STM32G431xB STM32G431CB, STM32G431KB, STM32G431RB, STM32G431VB, STM32G431MB