Build with GD32E230K4 — Datasheet Specs & AI Design Help

00 — Overview

What the GD32E230K4 does

The GD32E230xx is a 32-bit microcontroller based on the ARM Cortex-M23 core. This family spans multiple variants including the GD32E230Cx, Kx, Gx, and Fx series, available in LQFP48, LQFP32, QFN32, QFN28, TSSOP20, and LGA20 packages. It features 64 KB to 512 KB of flash memory, up to 64 KB of SRAM, and operates from a 1.8 V to 3.6 V supply. The device includes a high-speed 48 MHz internal oscillator, a 12-bit ADC, multiple timers, and communication interfaces such as USART, SPI, and I2C. Engineers typically use this MCU for cost-sensitive applications requiring low power consumption and high integration, such as consumer electronics, industrial control, and smart home devices.

Next step

Start building with GD32E230K4 → Every number above is cited straight from the datasheet — ask what they mean for your design, and the assistant answers from the same source documents.

01 — Key specifications

Datasheet parameters

Datasheet parameters for GD32E230K4
Parameter	Min	Typ	Max	Conditions	Source
quiescent current	—	8.1 µA	—	Medium power mode; idd; GD32E230xx Datasheet	GigaDevice datasheet, p. 60 — GD32E230xx Datasheet
supply voltage range	1.8 V	3.3 V	3.6 V	—; vdd; DC operating conditions	GigaDevice datasheet, p. 43 — Table 4-2. DC operating conditions
operating temperature (abs max)	-40 °C	—	85 °C	ta; Absolute maximum ratings	GigaDevice datasheet, p. 43 — Table 4-1. Absolute maximum ratings
clock frequency	—	10 MHz	—	Slave mode; fck; GD32E230xx Datasheet	GigaDevice datasheet, p. 63 — GD32E230xx Datasheet
input capacitance	—	5 pF	—	—; cin; Low speed external user clock characteristics (LXTAL in bypass mode)	GigaDevice datasheet, p. 52 — Table 4-17. Low speed external user clock characteristics (LXTAL…
cpu speed	—	72 MHz	—		GigaDevice datasheet, p. 8
ram size	—	4 KB	—		GigaDevice datasheet, p. 9 — Table 2-1. GD32E230xx devices features and peripheral list
io count	—	25	—		GigaDevice datasheet, p. 21 — Table 2-5. GD32E230Kx LQFP32 pin definitions
adc resolution	—	12 bit	—		GigaDevice datasheet, p. 8
core size	—	32 bit	—		GigaDevice datasheet, p. 8
fall time	—	—	300 ns	—; tf(sda/scl); I2C characteristics	GigaDevice datasheet, p. 61 — Table 4-316. I2C characteristics
data retention	10 year	—	—	10k cycles at TA = 85°C; tret; Flash memory characteristics	GigaDevice datasheet, p. 54 — Table 4-22. Flash memory characteristics
program erase cycles	100 kcycle	—	—	TA = -40°C ~ +85°C; pecyc(endurance); Flash memory characteristics	GigaDevice datasheet, p. 54 — Table 4-22. Flash memory characteristics
output voltage high	2.8 V	—	—	VDD = 3.3V; voh; GD32E230xx Datasheet	GigaDevice datasheet, p. 56 — GD32E230xx Datasheet
output voltage low	—	—	200 mV	VDD = 1.8V; vol; I/O port DC characteristics	GigaDevice datasheet, p. 55 — Table 4-24. I/O port DC characteristics
sample rate	7 kHz	—	2 MHz	12-bit; fs; ADC characteristics	GigaDevice datasheet, p. 58 — Table 4-19. ADC characteristics

02 — Alternatives

Closest matches to GD32E230K4

GD32E230C4T6 similar adc resolution, similar clock frequency, similar core size

GD32E230C8T6 4.0× higher program memory size, 2.0× higher ram size, similar adc resolution

GD32F303CCT6 16.0× higher program memory size, 12.0× higher ram size, 11.7× lower clock frequency

STM32F030K6T6 2.5× higher rise time, 2.4× lower fall time, 2.0× higher data retention

ST7590 11.7× lower clock frequency, 8.0× higher program memory size, 7.8× higher ram size

GD32F103RFT6 5.8× lower clock frequency, 4.2× lower rise time, 2.0× higher data retention

TMS320F28030 8.3× lower rise time, 3.0× higher ram size, 2.5× lower input capacitance

STM32F030C8 4.0× higher program memory size, 2.5× higher rise time, 2.4× lower fall time

03 — FAQ

Frequently asked questions

What is the ADC resolution of the GD32E230K4T6?

The ADC resolution is 12 bit.

What is the clock frequency in slave mode?

The clock frequency (fck) in slave mode is 10 MHz.

What is the core size of the GD32E230K4T6?

The core size is 32 bit.

What is the CPU speed of the GD32E230K4T6?

The CPU speed is 72 MHz.

What is the data retention period for the GD32E230K4T6 Flash memory?

The data retention is 10 year at 10k cycles at TA = 85°C; tret.

What is the fall time (tf) for SDA/SCL in the I2C characteristics?

The fall time is 300 ns.

What is the input capacitance (cin) for the Low speed external user clock characteristics (LXTAL in bypass mode)?

The input capacitance is 5 pF.

What is the I/O count for the GD32E230K4T6?

The I/O count is 25.

What is the absolute maximum operating temperature (ta) for the GD32E230K4T6?

The absolute maximum operating temperature (ta) is 85 °C.

What is the output voltage high (VOH) when VDD is 3.3V?

The output voltage high is 2.8 V.

What is the output voltage low (vol) for the I/O port DC characteristics when VDD is 1.8V?

The output voltage low is 200 mV.

What is the program erase cycle endurance for the GD32E230K4T6 Flash memory at TA = -40°C ~ +85°C?

The program erase cycle endurance is 100 kcycle.