GD32F5xx Series

Based on the Arm® Cortex® -M33 core with a maximum operating frequency of 200MHz and up to 7.5MB on-chip Flash and 1MB SRAM.

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Overview

The GD32F5xx series high-performance MCUs feature expanded storage capacity, outstanding processing efficiency, and a comprehensive set of interface options. Compliant with the IEC61508 SIL2 system-level functional safety standard, the series provides a complete hardware and software security solution for industrial applications requiring high reliability and security.

Arm® Cortex®-M33 Core & Excellent Real-Time Performance

Built on the Arm® Cortex®-M33 core, the GD32F5xx series operates at frequencies of up to 280 MHz. Equipped with advanced DSP hardware accelerators and a single-precision floating-point unit (FPU), the series effectively reduces the burden on the core and enhances overall computing efficiency.

The series integrates up to 7.5 MB of on-chip Flash and 1 MB SRAM, including a 2 MB configurable zero-wait execution area (Code Flash), which effectively improves code execution efficiency and real-time performance. In addition, it provides large-capacity Data Flash storage for data backup and parameter storage.

Comprehensive Security Architecture & Industrial Functional Safety

The GD32F5xx MCU series integrates multiple built-in security features to ensure reliable protection of device information. It provides multi-level code and data protection areas, as well as an eFUSE area, supporting secure OTA, secure boot, secure debugging, and secure download.

To simplify development, GigaDevice provides a dedicated Security Boot and Update software platform supporting secure boot, secure upgrade, and secure communication, enabling flexible customization based on application requirements.

Compliant with IEC61508 SIL2 system-level functional safety standards, the GD32F5xx series also provides a complete Safety Package, including safety manuals, FMEDA reports, and self-test libraries to support industrial functional safety development.

Rich Peripheral Interfaces

The high-performance GD32F5xx MCU series integrates a wide range of general-purpose peripherals, including eight U(S)ARTs, six I2C interfaces, six SPI interfaces, two I2S interfaces, and one SDIO interface. It also features a USB 2.0 OTG interface supporting both Full-Speed and High-Speed modes.

In addition, the series integrates two CAN-FD controllers and one Ethernet interface to support industrial control networking and various communication applications.

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GD32F527

Based on the Cortex®-M33 core, up to 200MHz operating frequency.
Support up to 7.5MB Flash and up to 2MB RWW (Read-While-Write) OTA upgrades, 1MB SRAM.
GD32F505

Based on the Arm® Cortex®-M33 core，up to 280MHz operating frequency.
Up to 1024 KB Flash (up to 192 KB code-flash) and 192 KB SRAM
GD32F503

Based on the Arm® Cortex®-M33 core，up to 252MHz operating frequency.
Up to 1024 KB Flash (up to 256 KB code-flash) and 128 KB SRAM
GD32F5HC

It features a high-performance Arm® Cortex®-M33 core operating at up to 200MHz, with integrated TrustZone® hardware security architecture.
It provides up to 320KB of SRAM and up to 2048KB of Flash, and supports a 32KB I-Cache.

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Part No	Core	Series GD32F5HC GD32F527 GD32F505 GD32F503	Package QFN64 QFN56 QFN48 QFN32 LQFP64 LQFP48 LQFP176 LQFP144 LQFP100 BGA64 BGA176	Max Speed (MHz) ≥ ≤	Flash (Bytes) 128K 256K 512K 1024K 2048K 4608K 7680K	SRAM (Bytes) 64K 128K 192K 320K 576K 1088K	I/O up to 82 up to 80 up to 56 up to 54 up to 51 up to 50 up to 41 up to 37 up to 26 up to 140 up to 114	GPTM (32bit) ≥ ≤	GPTM (16bit) ≥ ≤	Advanced TM (16bit) ≥ ≤	Basic TM (16bit) ≥ ≤	SysTick (24bit)	WDG	RTC	USART+UART 2+0 3+2 3+0 3 4+4 4+2	I2C ≥ ≤	QSPI ≥ ≤	SPI ≥ ≤	I2S ≥ ≤	CAN 2.0B 0 2xFD	USB 2.0 FS OTG FS (FS+HS) OTG	Ethernet ≥ ≤	SDIO ≥ ≤	LCD-TFT ≥ ≤	IPA ≥ ≤	SAI ≥ ≤	EXMC ≥ ≤	12bit ADC Units (CHs) 1(12) 1(11) 3(25) 3(24) 3(19) 3(18) 3(16) 3(14) 3(12) 3(10)	12bit DAC Units ≥ ≤	Comp ≥ ≤	Temperature Range(TA) -40℃~85℃ -40℃~105℃
GD32F527IMT7	Cortex®-M33	GD32F527	LQFP176	200	4608K	1088K	up to 140	2	8	2	2	1	2	1	4+4	6	0	6	2	2xFD	(FS+HS) OTG	1	1	1	1	1	1	3(24)	2	0	-40℃~105℃
GD32F527IST7	Cortex®-M33	GD32F527	LQFP176	200	7680K	576K	up to 140	2	8	2	2	1	2	1	4+4	6	0	6	2	2xFD	(FS+HS) OTG	1	1	1	1	1	1	3(24)	2	0	-40℃~105℃
GD32F527IMK7	Cortex®-M33	GD32F527	BGA176	200	4608K	1088K	up to 140	2	8	2	2	1	2	1	4+4	6	0	6	2	2xFD	(FS+HS) OTG	1	1	1	1	1	1	3(24)	2	0	-40℃~105℃
GD32F527ISK7	Cortex®-M33	GD32F527	BGA176	200	7680K	576K	up to 140	2	8	2	2	1	2	1	4+4	6	0	6	2	2xFD	(FS+HS) OTG	1	1	1	1	1	1	3(24)	2	0	-40℃~105℃
GD32F527ZMT7	Cortex®-M33	GD32F527	LQFP144	200	4608K	1088K	up to 114	2	8	2	2	1	2	1	4+4	6	0	6	2	2xFD	(FS+HS) OTG	1	1	1	1	1	1	3(24)	2	0	-40℃~105℃
GD32F527ZST7	Cortex®-M33	GD32F527	LQFP144	200	7680K	576K	up to 114	2	8	2	2	1	2	1	4+4	6	0	6	2	2xFD	(FS+HS) OTG	1	1	1	1	1	1	3(24)	2	0	-40℃~105℃
GD32F527VMT7	Cortex®-M33	GD32F527	LQFP100	200	4608K	1088K	up to 82	2	8	2	2	1	2	1	4+4	3	0	5	2	2xFD	(FS+HS) OTG	1	1	1	1	1	1	3(16)	2	0	-40℃~105℃
GD32F527VST7	Cortex®-M33	GD32F527	LQFP100	200	7680K	576K	up to 82	2	8	2	2	1	2	1	4+4	3	0	5	2	2xFD	(FS+HS) OTG	1	1	1	1	1	1	3(16)	2	0	-40℃~105℃
GD32F527RMT7	Cortex®-M33	GD32F527	LQFP64	200	4608K	1088K	up to 51	2	8	2	2	1	2	1	4+2	3	0	3	2	2xFD	(FS+HS) OTG	1	1	0	0	0	0	3(16)	2	0	-40℃~105℃
GD32F527RST7	Cortex®-M33	GD32F527	LQFP64	200	7680K	576K	up to 51	2	8	2	2	1	2	1	4+2	3	0	3	2	2xFD	(FS+HS) OTG	1	1	0	0	0	0	3(16)	2	0	-40℃~105℃
GD32F503KBU6	Cortex®-M33	GD32F503	QFN32	252	128K	64K	up to 26	1	5	2	2	1	2	1	2+0	2	0	2	1	2xFD	FS	0	0	0	0	0	0	3(10)	1	1	-40℃~85℃
GD32F503KCU6	Cortex®-M33	GD32F503	QFN32	252	256K	64K	up to 26	1	5	2	2	1	2	1	2+0	2	0	2	1	2xFD	FS	0	0	0	0	0	0	3(10)	1	1	-40℃~85℃
GD32F503KEU6	Cortex®-M33	GD32F503	QFN32	252	512K	64K	up to 26	1	5	2	2	1	2	1	2+0	2	0	2	1	2xFD	FS	0	0	0	0	0	0	3(10)	1	1	-40℃~85℃
GD32F503CBT6	Cortex®-M33	GD32F503	LQFP48	252	128K	64K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~85℃
GD32F503CCT6	Cortex®-M33	GD32F503	LQFP48	252	256K	64K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~85℃
GD32F503CET6	Cortex®-M33	GD32F503	LQFP48	252	512K	64K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~85℃
GD32F503CGT6	Cortex®-M33	GD32F503	LQFP48	252	1024K	128K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~85℃
GD32F503CEO6	Cortex®-M33	GD32F503	QFN48	252	512K	64K	up to 41	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(14)	1	1	-40℃~85℃
GD32F503CGO6	Cortex®-M33	GD32F503	QFN48	252	1024K	128K	up to 41	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(14)	1	1	-40℃~85℃
GD32F503RBT6	Cortex®-M33	GD32F503	LQFP64	252	128K	64K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~85℃
GD32F503RCT6	Cortex®-M33	GD32F503	LQFP64	252	256K	64K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~85℃
GD32F503RET6	Cortex®-M33	GD32F503	LQFP64	252	512K	64K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~85℃
GD32F503RGT6	Cortex®-M33	GD32F503	LQFP64	252	1024K	128K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~85℃
GD32F503REO6	Cortex®-M33	GD32F503	QFN64	252	512K	64K	up to 56	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(19)	1	1	-40℃~85℃
GD32F503RGO6	Cortex®-M33	GD32F503	QFN64	252	1024K	128K	up to 56	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(19)	1	1	-40℃~85℃
GD32F503REL6	Cortex®-M33	GD32F503	BGA64	252	512K	64K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~85℃
GD32F503RGL6	Cortex®-M33	GD32F503	BGA64	252	1024K	128K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~85℃
GD32F503VCT6	Cortex®-M33	GD32F503	LQFP100	252	256K	64K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~85℃
GD32F503VET6	Cortex®-M33	GD32F503	LQFP100	252	512K	64K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~85℃
GD32F503VGT6	Cortex®-M33	GD32F503	LQFP100	252	1024K	128K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~85℃
GD32F503KBU7	Cortex®-M33	GD32F503	QFN32	252	128K	64K	up to 26	1	5	2	2	1	2	1	2+0	2	0	2	1	2xFD	FS	0	0	0	0	0	0	3(10)	1	1	-40℃~105℃
GD32F503KCU7	Cortex®-M33	GD32F503	QFN32	252	256K	64K	up to 26	1	5	2	2	1	2	1	2+0	2	0	2	1	2xFD	FS	0	0	0	0	0	0	3(10)	1	1	-40℃~105℃
GD32F503KEU7	Cortex®-M33	GD32F503	QFN32	252	512K	64K	up to 26	1	5	2	2	1	2	1	2+0	2	0	2	1	2xFD	FS	0	0	0	0	0	0	3(10)	1	1	-40℃~105℃
GD32F503CBT7	Cortex®-M33	GD32F503	LQFP48	252	128K	64K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~105℃
GD32F503CCT7	Cortex®-M33	GD32F503	LQFP48	252	256K	64K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~105℃
GD32F503CET7	Cortex®-M33	GD32F503	LQFP48	252	512K	64K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~105℃
GD32F503CGT7	Cortex®-M33	GD32F503	LQFP48	252	1024K	128K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~105℃
GD32F503CEO7	Cortex®-M33	GD32F503	QFN48	252	512K	64K	up to 41	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(14)	1	1	-40℃~105℃
GD32F503CGO7	Cortex®-M33	GD32F503	QFN48	252	1024K	128K	up to 41	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(14)	1	1	-40℃~105℃
GD32F503RBT7	Cortex®-M33	GD32F503	LQFP64	252	128K	64K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~105℃
GD32F503RCT7	Cortex®-M33	GD32F503	LQFP64	252	256K	64K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~105℃
GD32F503RET7	Cortex®-M33	GD32F503	LQFP64	252	512K	64K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~105℃
GD32F503RGT7	Cortex®-M33	GD32F503	LQFP64	252	1024K	128K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~105℃
GD32F503REO7	Cortex®-M33	GD32F503	QFN64	252	512K	64K	up to 56	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(19)	1	1	-40℃~105℃
GD32F503RGO7	Cortex®-M33	GD32F503	QFN64	252	1024K	128K	up to 56	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(19)	1	1	-40℃~105℃
GD32F503REL7	Cortex®-M33	GD32F503	BGA64	252	512K	64K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~105℃
GD32F503RGL7	Cortex®-M33	GD32F503	BGA64	252	1024K	128K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~105℃
GD32F503VCT7	Cortex®-M33	GD32F503	LQFP100	252	256K	64K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~105℃
GD32F503VET7	Cortex®-M33	GD32F503	LQFP100	252	512K	64K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~105℃
GD32F503VGT7	Cortex®-M33	GD32F503	LQFP100	252	1024K	128K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~105℃
GD32F505CET6	Cortex®-M33	GD32F505	LQFP48	280	512K	128K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~85℃
GD32F505CGT6	Cortex®-M33	GD32F505	LQFP48	280	1024K	192K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~85℃
GD32F505CGO6	Cortex®-M33	GD32F505	QFN48	280	1024K	192K	up to 41	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(14)	1	1	-40℃~85℃
GD32F505RET6	Cortex®-M33	GD32F505	LQFP64	280	512K	128K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~85℃
GD32F505RGT6	Cortex®-M33	GD32F505	LQFP64	280	1024K	192K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~85℃
GD32F505RGO6	Cortex®-M33	GD32F505	QFN64	280	1024K	192K	up to 56	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(19)	1	1	-40℃~85℃
GD32F505RGL6	Cortex®-M33	GD32F505	BGA64	280	1024K	192K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~85℃
GD32F505VET6	Cortex®-M33	GD32F505	LQFP100	280	512K	128K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~85℃
GD32F505VGT6	Cortex®-M33	GD32F505	LQFP100	280	1024K	192K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~85℃
GD32F505CET7	Cortex®-M33	GD32F505	LQFP48	280	512K	128K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~105℃
GD32F505CGT7	Cortex®-M33	GD32F505	LQFP48	280	1024K	192K	up to 37	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(12)	1	1	-40℃~105℃
GD32F505CGO7	Cortex®-M33	GD32F505	QFN48	280	1024K	192K	up to 41	1	5	2	2	1	2	1	3+0	2	0	3	2	2xFD	FS	0	0	0	0	0	0	3(14)	1	1	-40℃~105℃
GD32F505RET7	Cortex®-M33	GD32F505	LQFP64	280	512K	128K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~105℃
GD32F505RGT7	Cortex®-M33	GD32F505	LQFP64	280	1024K	192K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~105℃
GD32F505RGO7	Cortex®-M33	GD32F505	QFN64	280	1024K	192K	up to 56	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(19)	1	1	-40℃~105℃
GD32F505RGL7	Cortex®-M33	GD32F505	BGA64	280	1024K	192K	up to 51	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(18)	1	1	-40℃~105℃
GD32F505VET7	Cortex®-M33	GD32F505	LQFP100	280	512K	128K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~105℃
GD32F505VGT7	Cortex®-M33	GD32F505	LQFP100	280	1024K	192K	up to 80	1	5	2	2	1	2	1	3+2	2	0	3	2	2xFD	FS	0	0	0	0	0	1	3(25)	1	1	-40℃~105℃
GD32F5HCRIL6	Cortex®-M33	GD32F5HC	BGA64	200	2048K	320K	up to 54	2	4	1	1	1	2	1	3	2	1	2	1	0	FS OTG	0	0	0	0	0	0	1(12)	0	0	-40℃~85℃
GD32F5HCPIQ6	Cortex®-M33	GD32F5HC	QFN56	200	2048K	320K	up to 50	2	4	1	1	1	2	1	3	2	1	2	1	0	FS OTG	0	0	0	0	0	0	1(11)	0	0	-40℃~85℃
GD32F5HCPIQ7	Cortex®-M33	GD32F5HC	QFN56	200	2048K	320K	up to 50	2	4	1	1	1	2	1	3	2	1	2	1	0	FS OTG	0	0	0	0	0	0	1(11)	0	0	-40℃~105℃