STMicroelectronics STM32G031G8U3TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32G0
Packaging Tape & Reel (TR) | NULL
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 26
Program Memory Size 64KB (64K 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 17x12b SAR
Oscillator Type External, Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 28-UFQFPN (4x4)
Package / Case 28-UFQFN
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32G031G8U3TR is a 32-bit microcontroller from STMicroelectronics, featuring an ARM Cortex-M0+ core at 64MHz. It offers 64KB flash and 8KB SRAM in a compact 28-UFQFN package. With a wide temperature range and rich analog/digital peripherals, it is designed for cost-effective, high-reliability embedded systems.

  • High Temperature Tolerance: Operates up to 125°C, ideal for harsh thermal environments.
  • Compact Footprint: 28-UFQFN package saves PCB space without compromising I/O count.
  • Rich Audio Interface: Integrated I2S enables direct connection to audio codecs and digital microphones.
  • Efficient DMA: Reduces CPU load for data transfers, improving real-time responsiveness.

Compact Audio Player

The integrated I2S interface and 64MHz Cortex-M0+ core enable playback of compressed audio from external flash, with PWM for volume control and DMA for efficient data streaming.

High-Temperature Sensor Node

Rated for 125°C operation, this MCU can be placed near engines, furnaces, or industrial machinery to acquire temperature, vibration, and pressure data without active cooling.

Portable Medical Device

With low-power modes and a 1.7V minimum supply, it supports battery-operated glucose meters, pulse oximeters, and infusion pumps, ensuring long battery life and reliable operation.

Smart Home Dimmer

Using PWM timers and analog comparators, the STM32G031 can implement phase-cut dimming for LED lighting, with brown-out detection to maintain safe state during voltage dips.

Motor Control for Drones

The 64MHz speed and advanced timers generate high-frequency PWM signals for brushless motor ESCs, while DMA offloads the CPU for sensor fusion algorithms.

Industrial Fieldbus Gateway

Multiple USARTs and SPI interfaces allow bridging between RS-485, CAN, and Ethernet modules, with WDT ensuring fail-safe operation in noisy factory environments.

Q: What is the core and maximum speed?
A: It uses an ARM Cortex-M0+ core running at up to 64 MHz, balancing performance and power efficiency.
Q: What is the operating temperature range?
A: This variant supports -40°C to 125°C, making it suitable for high-temperature industrial and automotive environments.
Q: Does it support I2S?
A: Yes, the device includes I2S interface for digital audio applications, along with multiple I2C, SPI, and USART peripherals.
Q: What package is this part?
A: It comes in a 28-pin UFQFN package, offering a compact footprint for space-limited designs.
Base Product Number : STM32G031G8U3
32-bit MCU 64KB Flash 64MHz 8KB RAM ARM Cortex-M0+ Audio I2S Industrial STM32G031 STMicroelectronics UFQFN-28
Q: What is the core and maximum speed?
A: It uses an ARM Cortex-M0+ core running at up to 64 MHz, balancing performance and power efficiency.
Q: What is the operating temperature range?
A: This variant supports -40°C to 125°C, making it suitable for high-temperature industrial and automotive environments.
Q: Does it support I2S?
A: Yes, the device includes I2S interface for digital audio applications, along with multiple I2C, SPI, and USART peripherals.
Q: What package is this part?
A: It comes in a 28-pin UFQFN package, offering a compact footprint for space-limited designs.