STM32G071C8 — Datasheet Summary, Specs & Alternatives

01 — Overview

This STMicroelectronics datasheet covers the STM32G071x8/xB family of 32-bit Arm Cortex-M0+ microcontrollers. It details device specifications for parts including STM32G071C8, G8, K8, and others, featuring up to 128 KB Flash and 36 KB RAM. Key parameters include a voltage range of 1.7-3.6 V, operating frequencies up to 64 MHz, and integrated peripherals like four USARTs, two I2C interfaces, and up to 60 fast I/Os. The document outlines low-power modes such as Sleep and Standby, along with development support features like serial wire debug and various timer configurations suitable for motor control applications.

02 — Key specifications

Datasheet parameters

Parameter	Min	Typ	Max	Conditions
quiescent current	6.3 mA	6.4 mA	6.8 mA	Range 1; PLL enabled; fHCLK = fHSE_bypass(≤16 MHz), fHCLK = fPLLRCCLK(>16 MHz); (3); 64 MHz; Flash memory
output current	15 mA	—	15 mA
supply voltage range	3 V	3.3 V	3.6 V	Sink mode only
input offset voltage	—	5 mV	10 mV
operating temperature	-40 °C	—	85 °C	Suffix 6(4)
clock frequency	0 Hz	—	64 MHz
propagation delay	—	30 ns	50 ns	200 mV step; 100 mV overdrive; High-speed mode
psrr	—	-80 dB	-28 dB	Normal mode DAC output buffer ONCL ≤ 50 pF, RL = 5 kΩ, DC
cpu speed	—	64 MHz	—
program memory size	—	65.5 kB	—
ram size	—	36.9 kB	—
io count	—	60	—
adc resolution	—	12 bit	—
core size	—	32 bit	—
rise time	—	—	100 ns	C = 50 pF, 2.7 V ≤ VDDIO1≤ 3.6 V
fall time	—	—	5 ns	C = 50 pF, 1.6 V ≤ VDDIO1≤ 3.6 V
data retention	30 year	—	—	1 kcycle(2)at TA = 85 °C
program erase cycles	10 kcycle	—	—	TA = -40 to +105 °C
settling time	—	1.7 µs	3 µs	Normal mode DAC output buffer ONCL ≤ 50 pF, RL ≥ 5 kΩ; ±0.5 LSB

03 — Alternatives

Closest matches to STM32G071C8

STM32G431x6 2.7× higher clock frequency, 2.7× higher cpu speed, 2.0× lower program memory size

STM32G070CBT6 10.0× lower program erase cycles, 2.0× lower data retention, 2.0× higher program memory size

STM32F103B 8.3× lower rise time, 2.4× higher fall time, 2.0× higher program memory size

STM32F103C8T6 8.3× lower rise time, 2.4× higher fall time, 1.8× lower ram size

STM32G030F6P6 10.0× lower program erase cycles, 5.3× higher output current, 4.5× lower ram size

PY32F030F28U6 9.0× lower ram size, 5.0× lower rise time, 3.0× lower quiescent current

STM32F405OET6 8.3× lower rise time, 8.0× higher program memory size, 5.3× higher ram size

STM32F030C4K6 10.0× lower program erase cycles, 9.0× lower ram size, 5.0× lower rise time

04 — FAQ

Frequently asked questions

What is the ADC resolution of the STM32G071C8?

The ADC resolution is 12 bit.

What is the maximum clock frequency of the STM32G071C8?

The maximum clock frequency is 64 MHz.

What is the core size of the STM32G071C8?

The core size is 32 bit.

What is the maximum CPU speed of the STM32G071C8?

The maximum CPU speed is 64 MHz.

What is the data retention time for the STM32G071C8 after 1 kcycle at TA = 85 °C?

The data retention is 30 year.

What is the fall time when C = 50 pF and 1.6 V ≤ VDDIO1≤ 3.6 V?

The fall time is 5 ns.

What is the input offset voltage?

The input offset voltage is 5 mV.

What is the I/O count for the STM32G071C8?

The STM32G071C8 has 60 I/Os.