EmbeddedRelated.com
STM32G0B1RET6

STM32G0B1RET6

STMicroelectronics
ARM® Cortex®-M0+ STM32G0 Microcontroller IC 32-Bit 64MHz 512KB (512K x 8) FLASH 64-LQFP (10x10)
Active

Overview

The STM32G0B1RET6 is a high-performance Arm Cortex-M0+ microcontroller operating at 64MHz, featuring a large 512KB Flash memory and 144KB RAM. It is specifically designed for modern connectivity requirements, integrating a USB 2.0 device controller with USB Type-C Power Delivery (UCPD) support and dual CAN-FD interfaces. This part bridges the gap between cost-effective 8-bit/16-bit designs and high-end 32-bit applications by offering extensive I/O density in a 64-pin LQFP package.

Why Choose This Part

It offers an exceptional memory-to-pin ratio with 512KB Flash and 144KB RAM in a compact 10x10mm footprint. The inclusion of hardware-level USB-C PD and CAN-FD support eliminates the need for external bridge controllers, reducing BOM cost and PCB complexity. Its wide operating voltage range from 1.7V to 3.6V and highly efficient low-power modes make it ideal for battery-operated connected devices.

Applications

USB Type-C Power Delivery
Managing power negotiation and role swapping in USB-C peripherals and chargers using the integrated UCPD controller.
Industrial Networking
Utilizing dual CAN-FD interfaces for robust communication in industrial automation and vehicle diagnostic tools.
Smart Home Hubs
Acting as a central controller managing multiple sensors and wireless modules thanks to its 60 available I/O pins and 5V tolerance.
Battery Management Systems
Monitoring cell health using the 19-channel 12-bit ADC while maintaining ultra-low power consumption in shutdown mode (550nA).

Key Specifications

Speed 64MHz
RAM Size 144K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Connectivity CANbus, HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB2.0, USB Type-C (Power Delivery)
Mounting Type Surface Mount
Number of I/O 60
Core Processor ARM Cortex-M0+
Package / Case 64-LQFP
Data Converters A/D 19x12b SAR; D/A 2x12b
Oscillator Type External, Internal
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 64-LQFP (10x10)
Voltage - Supply (Vcc/Vdd) 1.7V ~ 3.6V

Getting Started

Start development with the NUCLEO-G0B1RE evaluation board, which provides an integrated ST-LINK debugger and Arduino Uno V3 headers. Use the STM32CubeIDE for a full C/C++ development environment, and leverage STM32CubeMX to graphically configure the USB-C Power Delivery and CAN-FD stacks. ST's HAL libraries provide ready-to-use middleware for managing the complex 12-channel DMA and 19-channel ADC configurations.

Dev Boards

Development boards and breakout modules featuring the STM32G0B1RET6 or compatible chips — ready to use for prototyping.

NUCLEO-G031K8 STMicroelectronics
STM32G031 Nucleo-32 STM32G0 ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 504 in stock
NUCLEO-G071RB STMicroelectronics
STM32G071 Nucleo-64 STM32G0 ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 1,311 in stock
NUCLEO-G0B1RE STMicroelectronics
STM32G0B1 Nucleo-64 STM32G0 ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 1,967 in stock
STM32G081B-EVAL STMicroelectronics
STM32G081 STM32G0 ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 17 in stock
STM32G071B-DISCO STMicroelectronics
STM32G071 Discovery STM32G0 ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board
Digi-Key 74 in stock
Part of STM32 family » STM32G0B1

STM32G0B1 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Connectivity I/O Pins Package ADC/DAC Flash Stock
STM32G0B1RET6 (this part) CANbus, HDMI-CEC, .. 60 LQFP-64 A/D 19x12b SAR; D/.. 512KB
STM32G0B1VBT6 CANbus, HDMI-CEC, .. 94 LQFP-100 A/D 19x12b SAR; D/.. 128KB
STM32G0B1RCT6 CANbus, HDMI-CEC, .. 58 LQFP-64 A/D 17x12b SAR; D/.. 256KB 67
STM32G0B1VET6 CANbus, HDMI-CEC, .. 94 LQFP-100 A/D 19x12b SAR; D/.. 512KB 362
STM32G0B1KBT6 CANbus, HDMI-CEC, .. 29 LQFP-32 A/D 12x12b SAR; D/.. 128KB

Also Consider

STM32G0B1CET6 STMicroelectronics - Smaller 48-pin LQFP version if your design requires fewer I/O pins but the same memory and USB-C features.
STM32L432KCU6 STMicroelectronics - An alternative if a higher-performance Cortex-M4 core with an FPU is required for digital signal processing.
ATSAMC21G18A-AUT MCHPMicrochip Technology - Another Cortex-M0+ MCU featuring dual CAN-FD, suitable if 5V operation rather than USB-C PD is the primary requirement.