Geehy | G32R Real-time Microcontroller

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The G32R501 series delivers outstanding real-time control capabilities with its Arm® Cortex®-M52 core, based on the Arm v8.1-M architecture and enhanced by the Zidian math instruction extension. With support for Arm Helium^TM technology via the MVE (vector extension) solution, this series integrates advanced sensing, control peripherals, and a flexible interconnection system. Its wide operating temperature range (-40°C to 125°C), suitable for a wide range of fields such as new energy inverters, commercial power supplies, industrial automation, and new energy vehicles.

Packaging Roadmap

Performance

System

Arm^® Cortex^®-M52(dual-core)
Operating frequency: 250 MHz
Zidian math instruction extension
Arm Helium™ technology

Memory

Flash 640KB
SRAM 128KB
Support Flash ECC, on-chip memory parity protection, dual-zone security

Clock and system control

Internal zero-pin 10MHz oscillators ×2
On-chip crystal oscillator and external clock input Window watchdog timer module
Clock loss detection circuit

Analog system

3.45MSPS 12-bit ADC ×3
T-sensor ×1
12-bit buffer DAC outputs ×2
COMP with 12-bit reference DAC ×7

Control peripherals

Enhanced capture (CAP) modules ×7
150ps PWM channels ×16ch
Enhanced quadrature encoder pulse (QEP) ×2
Σ-Δ filter module (SDF) ×4
Flexible logic block (FLB) ×4

Communication peripherals

UART×2
CAN×2
I2C×1
SPI×2
LIN×1
PMBus×1
QSPI×1

Security and Reliability

Two-zone security protection
Lost clock detection circuit
Code security module
IEC 61508 Certification (certification is ongoing)
AEC-Q100 Certification (certification is ongoing)

Package

QFN56, LQFP100/80/64

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Compare	Part No.	Core	Frequency(MHz)	FLASH(KB)	SRAM(KB)	FPU	I/Os	Voltage(V)	Package	GPTMR(32bit)	WWDT	ADC 12-bit Cell	ADC 12-bit Channels	DAC 12-bit Cell	SPI	QSPI	I2C	CAN	USB Device	Operating Temperature(℃)	UART	Zidian Math Instruction Extension	DMA Channels	NMIWD	T-sensor	COMP(DAC 12-bit Cell Embedded)	CAP(HRCAP)	PWM (HRPWM Channels)	QEP	SDF Channels	LIN	PMBus

Block Diagram

Documentation

Title	Type	Version	Format	Size	Update Date
G32R501 Datasheet	Data Sheet	V1.2	pdf	7.37 MB	March 06, 2025
G32R501 User Manual	User Manual	V1.1	pdf	15.23 MB	March 06, 2025
G32R501 EVAL Schematic Diagram	Development Board Schematic	V1.0	pdf	434.35 KB	January 20, 2025

Design Resources

Hardware Development Tools

Title	Type	Product
G32R501 EVAL Board	Development Board

Software Development Tools

Title	Type	Version	Format	Size	Update Date
GeehyProg SetUp	Programmer/DFU	V1.0.3	msi	6.58 MB	May 06, 2024
G32R501_SDK	SDKs	V1.0.0	zip	15.32 MB	April 11, 2025
G32R501_DFP pack	SDKs	V1.0.0	pack	1.90 MB	January 17, 2025