STM32G081RBT6
Overview
The STM32G081RBT6 is a mainstream Arm Cortex-M0+ microcontroller operating at 64 MHz with 128 KB of Flash and 36 KB of RAM. It is designed for efficient power consumption and features integrated hardware encryption (AES 256-bit) and USB Type-C Power Delivery controller support.
Why Choose This Part
This MCU provides a significant reduction in BOM costs by integrating a hardware AES engine and UCPD controller, eliminating the need for external security or power delivery ICs. The high RAM-to-Flash ratio and 64 MHz clock speed offer superior performance for its price point compared to standard M0+ alternatives.
Applications
Getting Started
Engineers can begin development with the NUCLEO-G071RB or NUCLEO-G081RB development boards using the STM32CubeIDE ecosystem. ST provides the X-CUBE-USB-PD expansion pack for rapid implementation of USB Type-C Power Delivery protocols.
Dev Boards
Development boards and breakout modules featuring the STM32G081RBT6 or compatible chips — ready to use for prototyping.
STM32G081 Family
| Part Number | Difference | Stock |
|---|---|---|
| STM32G081GBU6 | 28-pin · UFQFPN | 1,114 |
| STM32G081KBT6 | LQFP-32 | 5,730 |
| STM32G081B-EVAL | B-EVAL | 17 |



