The STM32G4x1 are mixed-signal microcontrollers with an Arm® Cortex®-M4 core (with FPU and DSP instructions) running at 170 MHz. These are entry-level devices in the STM32G4 series.
The devices are equipped with:
- 3x ultra-fast 12-bit ADCs (4 Msamples/s)
- 4x 12-bit DACs (15 Msamples/s)
- 4x ultra-fast comparators (17 nanoseconds)
- 4x op amps with programmable gain
- ART Accelerator, CCM SRAM, and mathematical accelerators
- Single-bank Flash memory
- Up to 2x CAN FD
- USB 2.0 full-speed data interface (device)
- USB Type-C™ and power delivery controller (UCPD)
Memory ranges from 32 to 512 Kbytes and packages with 32 to 100 pins.
Temperature range from -40 to 85 °C or from -40 to 125 °C.

Featured Videos
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STM32G441KB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration, Crypto
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STM32G431VB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G4A1KE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration, Crypto
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STM32G431V8
Mainstream Arm Cortex-M4 MCU 170 MHz with 64 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G4A1CE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration, Crypto
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STM32G431CB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G431V6
Mainstream Arm Cortex-M4 MCU 170 MHz with 32 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G431RB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G4A1ME
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration, Crypto
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STM32G4A1RE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration, Crypto
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STM32G431M6
Mainstream Arm Cortex-M4 MCU 170 MHz with 32 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G491VE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration
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STM32G491RE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration
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STM32G491RC
Mainstream Arm Cortex-M4 MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, High Analog level integration
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STM32G491ME
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G441VB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration, Crypto
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STM32G491MC
Mainstream Arm Cortex-M4 MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G441RB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration, Crypto
-
STM32G491KE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration
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STM32G491KC
Mainstream Arm Cortex-M4 MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, High Analog level integration
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STM32G441CB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration, Crypto
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STM32G491VC
Mainstream Arm Cortex-M4 MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, High Analog level integration
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STM32G431K6
Mainstream Arm Cortex-M4 MCU 170 MHz with 32 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G441MB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration, Crypto
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STM32G431R8
Mainstream Arm Cortex-M4 MCU 170 MHz with 64 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G4A1VE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration, Crypto
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STM32G431R6
Mainstream Arm Cortex-M4+ MCU 170 MHz with 32 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G431M8
Mainstream Arm Cortex-M4 MCU 170 MHz with 64 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G431C8
Mainstream Arm Cortex-M4 MCU 170 MHz with 64 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G431MB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G431C6
Mainstream Arm Cortex-M4 MCU 170 MHz with 32 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G431KB
Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G431K8
Mainstream Arm Cortex-M4 MCU 170 MHz with 64 Kbytes of Flash memory, Math Accelerator, Medium Analog level integration
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STM32G491CE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration
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STM32G491CC
Mainstream Arm Cortex-M4 MCU 170 MHz with 256 Kbytes of Flash memory, Math Accelerator, High Analog level integration