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Mainstream Arm Cortex-M0+ MCU with 64 Kbytes of Flash memory, 8 Kbytes RAM, 64 MHz CPU, 2x USART, timers, ADC, comm. I/F, 1.7-3.6V


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Overview of STM32G031G8U6

The STMicroelectronics Embedded STM32G031G8U6 is a powerful ARM Cortex-M0+ STM32G0 microcontroller IC. It features a 32-bit single-core processor running at 64MHz, 64KB (64K x 8) of FLASH memory, and 28-UFQFPN (4x4) package. This microcontroller is ideal for applications requiring low power consumption and high performance. It is suitable for a wide range of applications such as industrial automation, medical, and consumer electronics. With its advanced features, the STM32G031G8U6 is an excellent choice for embedded systems.

Key Features

  • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 64 MHz
  • -40°C to 85°C/105°C/125°C operating temperature
  • Memories
    • Up to 64 Kbytes of Flash memory with protection and securable area
    • 8 Kbytes of SRAM with HW parity check
  • CRC calculation unit
  • Reset and power management
    • Voltage range: 1.7 V to 3.6 V
    • Power-on/Power-down reset (POR/PDR)
    • Programmable Brownout reset (BOR)
    • Programmable voltage detector (PVD)
    • Low-power modes:Sleep, Stop, Standby, Shutdown
    • VBAT supply for RTC and backup registers
  • Clock management
    • 4 to 48 MHz crystal oscillator
    • 32 kHz crystal oscillator with calibration
    • Internal 16 MHz RC with PLL option (±1 %)
    • Internal 32 kHz RC oscillator (±5 %)
  • Up to 44 fast I/Os
    • All mappable on external interrupt vectors
    • Multiple 5 V-tolerant I/Os
  • 5-channel DMA controller with flexible mapping
  • 12-bit, 0.4 µs ADC (up to 16 ext. channels)
    • Up to 16-bit with hardware oversampling
    • Conversion range: 0 to 3.6V
  • 11 timers (one 128 MHz capable): 16-bit for advanced motor control, one 32-bit and four 16-bit general-purpose, two low-power 16-bit, two watchdogs, SysTick timer
  • Calendar RTC with alarm and periodic wakeup from Stop/Standby/Shutdown
  • Communication interfaces
    • Two I2C-bus interfaces supporting Fast-mode Plus (1 Mbit/s) with extra current sink, one supporting SMBus/PMBus and wakeup from Stop mode
    • Two USARTs with master/slave synchronous SPI; one supporting ISO7816 interface, LIN, IrDA capability, auto baud rate detection and wakeup feature
    • One low-power UART
    • Two SPIs (32 Mbit/s) with 4- to 16-bit programmable bitframe, one multiplexed with I2S interface
  • Development support: serial wire debug (SWD)


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid STM32G031G8U6 Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS Package Description ,
Reach Compliance Code compliant ECCN Code 3A991.A.2
HTS Code 8542.31.00.01 Factory Lead Time 53 Weeks, 1 Day
Date Of Intro 2019-07-10 Samacsys Manufacturer STMicroelectronics
Has ADC YES Address Bus Width
Bit Size 32 Boundary Scan NO
CPU Family CORTEX-M0 Clock Frequency-Max 48 MHz
DAC Channels NO DMA Channels YES
External Data Bus Width Format FIXED POINT
Integrated Cache NO JESD-30 Code S-XQCC-N28
Length 4 mm Low Power Mode YES
Number of DMA Channels 5 Number of I/O Lines 26
Number of Serial I/Os 3 Number of Terminals 28
Number of Timers 9 On Chip Data RAM Width 8
On Chip Program ROM Width 8 Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C PWM Channels YES
Package Body Material UNSPECIFIED Package Code VQCCN
Package Equivalence Code LCC28,.16SQ,20 Package Shape SQUARE
Package Style CHIP CARRIER, VERY THIN PROFILE RAM (bytes) 8192
ROM (words) 65536 ROM Programmability FLASH
Seated Height-Max 0.6 mm Speed 64 MHz
Supply Current-Max 6.9 mA Supply Voltage-Max 3.6 V
Supply Voltage-Min 1.7 V Supply Voltage-Nom 1.8 V
Surface Mount YES Technology CMOS
Terminal Form NO LEAD Terminal Pitch 0.5 mm
Terminal Position QUAD Width 4 mm

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