STMicroelectronics STM32G4A1REI3

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32G4
Packaging Bulk |
Core Processor ARM® Cortex®-M4F
Core Size 32-Bit
Speed 170MHz
Connectivity CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 52
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 112K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 24x12b SAR; D/A 4x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Memory Type Surface Mount
Grade -
Qualification -
Package / Case 64-UFBGA (5x5)
Supplier Device Package 64-UFBGA

The STM32G4A1REI3 is a mixed-signal MCU from STMicroelectronics, featuring an ARM Cortex-M4F core at 170MHz. It provides 512KB flash and 112KB RAM, with a supply range of 1.71V to 3.6V. Integrated peripherals include brown-out detection, DMA, I2S, PWM, and WDT. The compact 64-UFBGA package operates from -40°C to 125°C, making it ideal for advanced motor control and digital power applications.

  • High-speed Cortex-M4F with FPU for math-intensive tasks.
  • I2S interface for audio and sensor data streaming.
  • Compact UFBGA package saves board space.
  • Wide temperature range for industrial reliability.

Advanced Motor Control

170MHz Cortex-M4F with FPU accelerates complex FOC algorithms for brushless DC motors.

Digital Power Supplies

High-resolution timers and fast ADC enable precise voltage/current regulation.

Industrial Sensors

I2S interface supports high-fidelity audio and vibration analysis.

Battery-Powered Tools

Low voltage operation and efficient processing extend battery life.

Robotics

Multiple PWM channels and DMA handle multi-axis servo control.

Test & Measurement

High-speed processing and rich peripherals suit portable oscilloscopes and data loggers.

Q: What is the core processor?
A: It uses an ARM Cortex-M4F core with FPU.
Q: What is the maximum speed?
A: It operates at up to 170MHz.
Q: How much flash and RAM are included?
A: It has 512KB flash and 112KB RAM.
Q: What voltage range is supported?
A: It runs from 1.71V to 3.6V.
Q: What package is this?
A: It is in a 64-UFBGA package.
Base Product Number : STM32G4A1REI3
112KB RAM 170MHz 32-bit MCU 512KB Flash ARM Cortex-M4F I2S Industrial Motor Control STM32G4 UFBGA-64
Q: What is the core processor?
A: It uses an ARM Cortex-M4F core with FPU.
Q: What is the maximum speed?
A: It operates at up to 170MHz.
Q: How much flash and RAM are included?
A: It has 512KB flash and 112KB RAM.
Q: What voltage range is supported?
A: It runs from 1.71V to 3.6V.
Q: What package is this?
A: It is in a 64-UFBGA package.