STMicroelectronics STM32G031J6M6U

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32G0
Packaging | Tray
Core Processor ARM® Cortex®-M0+
Core Size 32-Bit Single-Core
Speed 64MHz
Connectivity I2C, IrDA, LINbus, SPI, SmartCard, UART/USART
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 6
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 8K x 8
Voltage - Supply (Vcc/Vdd) 1.7V ~ 3.6V
Data Converters A/D 8x12b SAR
Oscillator Type External, Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package 8-SOIC
Package / Case 8-SOIC (0.154", 3.90mm Width)

The STM32G031J6 is a compact 32-bit MCU from STMicroelectronics, based on the ARM Cortex-M0+ core at 64MHz. It offers 32KB flash and 8KB RAM in an 8-pin SOIC package. Operating from 1.7V to 3.6V, it includes I2S, DMA, PWM, and WDT, making it ideal for space-constrained, low-power applications.

  • Ultra-compact 8-pin SOIC: Fits in minimal PCB areas.
  • Low voltage operation (1.7V): Extends battery life in portable devices.
  • ARM Cortex-M0+ core: Energy-efficient 32-bit performance.
  • Integrated I2S: Enables audio interfaces without external codec.
  • 8KB RAM: Sufficient for moderate data buffering.

Compact IoT Sensors

8-pin SOIC saves space. 1.7V operation allows single-cell battery use.

Audio Accessories

I2S interface connects to audio codecs. 64MHz handles audio processing.

Wearable Devices

Low power consumption extends battery life. Small footprint fits tight PCBs.

Industrial Miniature Controllers

8KB RAM for small control loops. PWM drives LEDs or small motors.

Smart Home Buttons and Switches

Low voltage and WDT ensure reliable wake-up. DMA offloads sensor reads.

Battery Management Monitors

1.7V operation tracks low battery. POR resets safely on power-up.

Q: What core does it use?
A: ARM Cortex-M0+ at 64MHz.
Q: What is the supply voltage?
A: 1.7V to 3.6V, ideal for low-power designs.
Q: How much flash and RAM?
A: 32KB flash and 8KB RAM.
Q: What package is this?
A: 8-pin SOIC (3.90mm width), very compact.
Q: Does it support I2S?
A: Yes, I2S is included for audio applications.
Base Product Number : STM32G031J6
32-bit MCU 32KB Flash 64MHz 8KB RAM ARM Cortex-M0+ DMA I2S IoT Low Power SOIC-8 STM32G0 Wearable
Q: What core does it use?
A: ARM Cortex-M0+ at 64MHz.
Q: What is the supply voltage?
A: 1.7V to 3.6V, ideal for low-power designs.
Q: How much flash and RAM?
A: 32KB flash and 8KB RAM.
Q: What package is this?
A: 8-pin SOIC (3.90mm width), very compact.
Q: Does it support I2S?
A: Yes, I2S is included for audio applications.