STMicroelectronics STM32G483QET3

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32G4
Packaging Bulk | NULL
Core Processor ARM® Cortex®-M4
Core Size 32-Bit
Speed 170MHz
Connectivity CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
Number of I/O 107
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 128K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 42x12b SAR; D/A 7x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 128-LQFP (14x14)
Package / Case 128-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32G483QET3 is a powerful 32-bit MCU based on the ARM Cortex-M4 core with FPU, running at 170MHz. It offers 512KB flash and 128KB SRAM, with a rich set of peripherals including DMA, I2S, LCD controller, and multiple timers, all in a 128-LQFP package.

  • 170MHz Cortex-M4 with FPU: Delivers DSP-class performance for math-intensive algorithms.
  • 512KB flash / 128KB SRAM: Ample memory for complex firmware and data buffering.
  • Wide voltage range (1.71-3.6V): Supports battery and single-cell applications.
  • Extended temperature (-40 to 125°C): Reliable in extreme industrial and automotive environments.
  • Rich peripheral set: DMA, I2S, LCD, PWM, WDT for versatile system integration.

Advanced Motor Control

The 170MHz Cortex-M4 with FPU and PWM timers enables field-oriented control of BLDC motors with high precision.

Industrial Automation PLCs

512KB flash and 128KB RAM support complex ladder logic and communication stacks (EtherCAT, PROFINET).

Medical Monitoring Devices

High-speed ADC and DMA allow continuous waveform sampling for patient vital sign monitors.

Smart Grid Meters

Low-power modes and 1.71V operation enable battery-backed metering with extended uptime.

Robotics Controllers

Multiple UART/SPI/I2C interfaces and LCD controller support human-machine interfaces and sensor fusion.

Automotive ECU

The 125°C rating and brown-out detection make it suitable for under-hood control modules.

Q: What core does the STM32G483QET3 use?
A: It uses an ARM Cortex-M4 with FPU at 170MHz.
Q: What is the flash memory size?
A: It has 512KB of flash memory.
Q: What is the RAM capacity?
A: It includes 128KB of SRAM.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C, suitable for harsh environments.
Q: What package is available?
A: It comes in a 128-LQFP package.
Base Product Number : STM32G483QE
128-LQFP 128KB RAM 170MHz 32-bit MCU 512KB flash ARM Cortex-M4 automotive DMA I2S industrial LCD medical PWM WDT
Q: What core does the STM32G483QET3 use?
A: It uses an ARM Cortex-M4 with FPU at 170MHz.
Q: What is the flash memory size?
A: It has 512KB of flash memory.
Q: What is the RAM capacity?
A: It includes 128KB of SRAM.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C, suitable for harsh environments.
Q: What package is available?
A: It comes in a 128-LQFP package.