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	V1.4	pdf	7.47 MB	May 14, 2025
G32R501 User Manual	User Manual	V1.2	pdf	17.5 MB	May 14, 2025
G32R501 Quick Start Guide	User Manual	V1.0	pdf	2.82 MB	April 17, 2025
AN1139_G32R501 Secure Boot Application Note	Application Note	V1.0	pdf	717.62 KB	April 15, 2025
AN1127_G32R501 SDK Examples User Manual	Application Note	V1.0	pdf	1.48 MB	April 15, 2025
AN1131_G32R501 Tool User Manual	Application Note	V1.0	pdf	561.54 KB	April 15, 2025
AN1132_G32R501 zidian Application Note	Application Note	V1.0	pdf	589.77 KB	April 15, 2025
AN1133_G32R501 Interrupt Application Note	Application Note	V1.0	pdf	585.56 KB	April 15, 2025
AN1134_G32R501 SDK SFO Library Function Application Note	Application Note	V1.0	pdf	532.29 KB	April 15, 2025
AN1135_G32R501 IPC Application Note	Application Note	V1.0	pdf	693.03 KB	April 15, 2025
AN1160_G32R501 Hardware Design Guide	Application Note	V1.0	pdf	1.25 MB	April 24, 2025
AN1125_G32R501 SDK Quick Start Guide	Application Note	V1.1	pdf	574.35 KB	April 28, 2025
AN1126_G32R501 Instructions for Use of G32R501 IDE and Tool Chain	Application Note	V1.1	pdf	2.86 MB	April 28, 2025
AN1128_G32R501 Dual-core Emulation Guide	Application Note	V1.1	pdf	1.38 MB	April 28, 2025
AN1129_G32R501 Keil Debug Tool User Manual	Application Note	V1.1	pdf	579.97 KB	April 28, 2025
AN1130_G32R501 Keil Linker File Application Note	Application Note	V1.1	pdf	837.15 KB	April 28, 2025
AN1138_G32R501 Migration Guide	Application Note	V1.1	pdf	2.13 MB	April 28, 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	V1.1.0	zip	42.57 MB	May 07, 2025
G32R501_DFP pack	SDKs	V1.0.1	pack	1.92 MB	April 30, 2025