STM32G070CBT6

STM32G070CBT6 overview and key specs

1. Basic overview

- Manufacturer: STMicroelectronics

- Product type: 32-bit Arm Cortex-M0+ microcontroller

- Family: STM32G0 / STM32G070 value line

- Status: Active, in volume production

- Typical role: low-cost general control, industrial or appliance control, and IoT edge nodes

2. Specs that matter

- Core: Arm Cortex-M0+, 32-bit RISC

- Max clock: 64 MHz

- Flash: 128 KB

- SRAM: 36 KB, with 32 KB offering hardware parity check

- Operating voltage: 2.0 V to 3.6 V

- Temperature range: -40 C to +85 C

- Package: LQFP-48

- ADC: 1 x 12-bit ADC, up to 2.5 MSps, up to 19 channels

- Timers: 11 timers including advanced PWM, general-purpose timers, basic timers, and watchdogs

- Interfaces: 2 x I2C, 4 x USART, 2 x SPI

- Other features: DMA, RTC, CRC, Sleep / Stop / Standby, SWD debug, VBAT supply support

- GPIO: up to 59 fast I/O pins depending on package

3. How to read the part number

- STM32: ST's 32-bit MCU family

- G070: value-line device inside the STM32G0 family

- C: 48-pin class

- B: 128 KB Flash code

- T: LQFP package code

- 6: usually the -40 C to +85 C temperature grade

4. Where it is usually used

- Industrial relay and sensor boards

- Home-appliance controllers

- Chargers and light power-management products

- IoT data-collection and protocol-conversion nodes

- Multi-UART expansion and debug tools

5. Selection notes

- Compared with G030, this one feels much roomier in both Flash and SRAM, so it handles medium-complexity control logic better.

- It is still an M0+ part, though, so it is not meant for heavy graphics, demanding algorithms, or large communication stacks.

- If performance needs climb higher, the next conversation usually shifts toward STM32F103, STM32F4, or beyond.

6. Reference

- ST product page: STM32G070CB

- ST datasheet: STM32G070CB/KB/RB (DS12766)