STM32G431KB

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Mainstream Arm Cortex-M4 MCU 170 MHz with 128 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**
STM32G431KBT3
Active
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM32G431KBT3TR
Active
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM32G431KBT6
Active
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM32G431KBT6TR
Active
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM32G431KBU3
Active
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2
STM32G431KBU6
Active
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2

STM32G431KBT3

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

Marketing Status

Active

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32G431KBT3TR

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

Marketing Status

Active

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32G431KBT6

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

Marketing Status

Active

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32G431KBT6TR

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

Marketing Status

Active

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32G431KBU3

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFQFPN 32 5x5x0.55 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM32G431KBU6

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFQFPN 32 5x5x0.55 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.

Sample & Buy

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ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Budgetary Price (US$)*/Qty
Country of Origin
Timers (typ) (16-bit)
Timers (typ) (32-bit)
Number of Channels (typ)
Number of Channels (typ)
Number of Channels (typ)
D/A Converters (typ) (12-bit)
Comparator
I/Os (High Current)
CAN
CAN FD (typ)
SPI (typ)
I2S (typ)
USART (typ)
UART (typ)
Integrated op-amps
SMPS
min
max
STM32G431KBT3 Available at distributors

Distributor availability of STM32G431KBT3

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Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
3A991.a.2 NEC Tray LQFP 32 7x7x1.4 mm -40 125

CHINA

10

1

11

-

-

4

4

26

-

1

3

2

2

-

3

-

STM32G431KBU3 Available at distributors

Distributor availability of STM32G431KBU3

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
3A991.a.2 NEC Tray UFQFPN 32 5x5x0.55 mm -40 125

CHINA

10

1

11

-

-

4

4

26

-

1

3

2

2

-

3

-

STM32G431KBU6 Available at distributors

Distributor availability of STM32G431KBU6

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
3A991.a.2 NEC Tray UFQFPN 32 5x5x0.55 mm -40 85

CHINA

10

1

11

-

-

4

4

26

-

1

3

2

2

-

3

-

STM32G431KBT6 Available at distributors

Distributor availability of STM32G431KBT6

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
3A991.a.2 NEC Tray LQFP 32 7x7x1.4 mm -40 85

CHINA

10

1

11

-

-

4

4

26

-

1

3

2

2

-

3

-

STM32G431KBT6TR Available at distributors

Distributor availability of STM32G431KBT6TR

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
3A991.a.2 NEC Tape and Reel LQFP 32 7x7x1.4 mm -40 85

CHINA

10

1

11

-

-

4

4

26

-

1

3

2

2

-

3

-

STM32G431KBT3TR Available at distributors

Distributor availability of STM32G431KBT3TR

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
Active
3A991.a.2 NEC Tape and Reel LQFP 32 7x7x1.4 mm -40 125

CHINA

10

1

11

-

-

4

4

26

-

1

3

2

2

-

3

-

STM32G431KBT3 Active

Package:
LQFP 32 7x7x1.4 mm
ECCN (US):
3A991.a.2
Budgetary Price (US$)*/Qty:
-

Part Number:

STM32G431KBT3

ECCN (EU):

NEC

Packing Type:

Tray

Operating Temperature (°C)

Min:

-40

Max:

125

Country of Origin:

CHINA

Timers (typ) (16-bit):

10

Timers (typ) (32-bit):

1

Number of Channels (typ):

11

Number of Channels (typ):

-

Number of Channels (typ):

-

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

4

Comparator:

4

I/Os (High Current):

26

CAN:

-

CAN FD (typ):

1

SPI (typ):

3

I2S (typ):

2

USART (typ):

2

UART (typ):

-

Integrated op-amps:

3

SMPS:

-

STM32G431KBU3 Active

Package:
UFQFPN 32 5x5x0.55 mm
ECCN (US):
3A991.a.2
Budgetary Price (US$)*/Qty:
-

Part Number:

STM32G431KBU3

ECCN (EU):

NEC

Packing Type:

Tray

Operating Temperature (°C)

Min:

-40

Max:

125

Country of Origin:

CHINA

Timers (typ) (16-bit):

10

Timers (typ) (32-bit):

1

Number of Channels (typ):

11

Number of Channels (typ):

-

Number of Channels (typ):

-

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

4

Comparator:

4

I/Os (High Current):

26

CAN:

-

CAN FD (typ):

1

SPI (typ):

3

I2S (typ):

2

USART (typ):

2

UART (typ):

-

Integrated op-amps:

3

SMPS:

-

Distributor Name

Distributor reported inventory date:

STM32G431KBU6 Active

Package:
UFQFPN 32 5x5x0.55 mm
ECCN (US):
3A991.a.2
Budgetary Price (US$)*/Qty:
-

Part Number:

STM32G431KBU6

ECCN (EU):

NEC

Packing Type:

Tray

Operating Temperature (°C)

Min:

-40

Max:

85

Country of Origin:

CHINA

Timers (typ) (16-bit):

10

Timers (typ) (32-bit):

1

Number of Channels (typ):

11

Number of Channels (typ):

-

Number of Channels (typ):

-

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

4

Comparator:

4

I/Os (High Current):

26

CAN:

-

CAN FD (typ):

1

SPI (typ):

3

I2S (typ):

2

USART (typ):

2

UART (typ):

-

Integrated op-amps:

3

SMPS:

-

Distributor Name

Distributor reported inventory date:

STM32G431KBT6 Active

Package:
LQFP 32 7x7x1.4 mm
ECCN (US):
3A991.a.2
Budgetary Price (US$)*/Qty:
-

Part Number:

STM32G431KBT6

ECCN (EU):

NEC

Packing Type:

Tray

Operating Temperature (°C)

Min:

-40

Max:

85

Country of Origin:

CHINA

Timers (typ) (16-bit):

10

Timers (typ) (32-bit):

1

Number of Channels (typ):

11

Number of Channels (typ):

-

Number of Channels (typ):

-

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

4

Comparator:

4

I/Os (High Current):

26

CAN:

-

CAN FD (typ):

1

SPI (typ):

3

I2S (typ):

2

USART (typ):

2

UART (typ):

-

Integrated op-amps:

3

SMPS:

-

Distributor Name

Distributor reported inventory date:

STM32G431KBT6TR Active

Package:
LQFP 32 7x7x1.4 mm
ECCN (US):
3A991.a.2
Budgetary Price (US$)*/Qty:
-

Part Number:

STM32G431KBT6TR

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

85

Country of Origin:

CHINA

Timers (typ) (16-bit):

10

Timers (typ) (32-bit):

1

Number of Channels (typ):

11

Number of Channels (typ):

-

Number of Channels (typ):

-

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

4

Comparator:

4

I/Os (High Current):

26

CAN:

-

CAN FD (typ):

1

SPI (typ):

3

I2S (typ):

2

USART (typ):

2

UART (typ):

-

Integrated op-amps:

3

SMPS:

-

STM32G431KBT3TR Active

Package:
LQFP 32 7x7x1.4 mm
ECCN (US):
3A991.a.2
Budgetary Price (US$)*/Qty:
-

Part Number:

STM32G431KBT3TR

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

125

Country of Origin:

CHINA

Timers (typ) (16-bit):

10

Timers (typ) (32-bit):

1

Number of Channels (typ):

11

Number of Channels (typ):

-

Number of Channels (typ):

-

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

4

Comparator:

4

I/Os (High Current):

26

CAN:

-

CAN FD (typ):

1

SPI (typ):

3

I2S (typ):

2

USART (typ):

2

UART (typ):

-

Integrated op-amps:

3

SMPS:

-

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors