embedded-processors-controllers

STM32G070CB

Full part number: STM32G070CBT6

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This STMicroelectronics datasheet covers the STM32G070CB/KB/RB, a 32-bit Arm Cortex-M0+ microcontroller family. It details the device's scope, which includes memory protection, power management, and various communication interfaces. Key parameters include 128 KB Flash with protection, 36 KB SRAM, a 2.0-3.6 V supply range, and an operating frequency up to 64 MHz. The chip features four USARTs, two I2C buses, multiple timers for motor control, a 12-bit ADC, and supports low-power modes like Sleep and Standby across LQFP32, 48, and 64 packages.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current 1 µA 2.2 µA 2.7 µA RTC disabled; 2.4 V
output current 15 mA — 15 mA
supply voltage range -300 mV — 4 V
operating temperature -40 °C — 85 °C
clock frequency 0 Hz — 64 MHz
cpu speed — 64 MHz —
program memory size — 128 kB —
ram size — 36 kB —
io count — 43 —
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 15 year — — 1 kcycle(2)at TA = 85 °C
program erase cycles 1 kcycle — — TA = -40 to +85 °C
03 — Alternatives

Closest matches to STM32G070CB

STM32G071C8 10.0× higher program erase cycles, 2.0× higher data retention, 2.0× lower program memory size
STM32F103B 10.0× higher program erase cycles, 8.3× lower rise time, 2.4× higher fall time
STM32F103C8T6 10.7× higher quiescent current, 10.0× higher program erase cycles, 8.3× lower rise time
STM32G030F6P6 5.3× higher output current, 4.4× lower ram size, 3.9× lower program memory size
STM32F030C4K6 8.8× lower ram size, 7.8× lower program memory size, 5.0× lower rise time
GD32E230C4T6 8.8× lower ram size, 8.0× lower program memory size, 2.0× lower rise time
GD32E230K4T6 8.8× lower ram size, 8.0× lower program memory size, 2.0× lower rise time
STM32L010F4P6 17.6× lower ram size, 10.0× higher quiescent current, 7.8× lower program memory size
04 — FAQ

Frequently asked questions

What is the ADC resolution of the STM32G070CBT6?

The ADC resolution is 12 bit.

What is the maximum clock frequency of the STM32G070CBT6?

The maximum clock frequency is 64 MHz.

What is the core size of the STM32G070CBT6?

The core size is 32 bit.

What is the maximum CPU speed of the STM32G070CBT6?

The maximum CPU speed is 64 MHz.

What is the data retention time for the STM32G070CBT6 at 1 kcycle(2)at TA = 85 °C?

The data retention is 15 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 number of I/O ports?

The STM32G070CBT6 has 43 I/O ports.

What is the maximum operating temperature for the STM32G070CBT6?

The maximum operating temperature is 85 °C.

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