STM32G431M6

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Mainstream Arm Cortex-M4 MCU 170 MHz with 32 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration

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Product overview

Description

The STM32G431x6/x8/xB devices are based on the high-performance Arm® Cortex®-M4 32-bit RISC core. They operate at a frequency of up to 170 MHz.

The Cortex-M4 core features a single-precision floating-point unit (FPU), which supports all the Arm single-precision data-processing instructions and all the data types. It also implements a full set of DSP (digital signal processing) instructions and a memory protection unit (MPU) which enhances the application’s security.

These devices embed high-speed memories (up to 128 Kbytes of Flash memory, and 32 Kbytes of SRAM), an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.

The devices also embed several protection mechanisms for embedded Flash memory and SRAM: readout protection, write protection, securable memory area and proprietary code readout protection.

The devices embed peripherals allowing mathematical/arithmetic function acceleration (CORDIC for trigonometric functions and FMAC unit for filter functions).

They offer two fast 12-bit ADCs (4 Msps), four comparators, three operational amplifiers, four DAC channels (2 external and 2 internal), an internal voltage reference buffer, a low-power RTC, one general-purpose 32-bit timers, two 16-bit PWM timers dedicated to motor control, seven general-purpose 16-bit timers, and one 16-bit low-power timer.

They also feature standard and advanced communication interfaces such as:

- Three I2Cs

- Three SPIs multiplexed with two half duplex I2Ss

- Three USARTs, one UART and one low-power UART.

- One FDCAN

- One SAI

- USB device

- UCPD

The devices operate in the -40 to +85 °C (+105 °C junction) and -40 to +125 °C (+130 °C junction) temperature ranges from a 1.71 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

Some independent power supplies are supported including an analog independent supply input for ADC, DAC, OPAMPs and comparators. A VBAT input allows backup of the RTC and the registers.

The STM32G431x6/x8/xB family offers 9 packages from 32-pin to 100-pin.

  • All 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:
        • VDD, VDDA 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
        • VBAT 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
        • 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 I2C 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 I2S 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™

Circuit Diagram

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM32G431M6T6
Active
LQFP 80 12x12x1.4 mm Industrial Ecopack2

STM32G431M6T6

Package:

LQFP 80 12x12x1.4 mm

Material Declaration**:

Marketing Status

Active

Package

LQFP 80 12x12x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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ECCN (US)
ECCN (EU)
Operating temperature (°C)
D/A Converters (typ) (12-bit)
Timers (typ) (16-bit)
Timers (typ) (32-bit)
Number of Channels (typ)
SMPS
Number of Channels (typ)
UART (typ)
I/Os (High Current)
Integrated op-amps
Comparator
SPI (typ)
USART (typ)
Number of Channels (typ)
I2S (typ)
Advanced Motor Control Timers
CAN (2.0)
CAN (FD)
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STM32G431M6T6
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Part Number:

STM32G431M6T6

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

4

Timers (typ) (16-bit):

10

Timers (typ) (32-bit):

1

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

1

I/Os (High Current):

66

Integrated op-amps:

3

Comparator:

4

SPI (typ):

3

USART (typ):

3

Number of Channels (typ):

23

I2S (typ):

2

Advanced Motor Control Timers:

-

CAN (2.0):

-

CAN (FD):

1

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