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The 7Semi STM32G0B1RET6 development board is built around ST's STM32G0B1RET6 microcontroller, an ARM Cortex-M0+ core clocked at up to 64MHz. According to 7Semi's own listing, it carries 512KB of flash memory, and the specification table on the same page lists 512KB of SRAM as well, so treat the RAM figure as what the board's own spec sheet states. The board measures approximately 50.00mm by 29.80mm and weighs about 6g.
The standout peripheral on this chip is dual FDCAN support, alongside 6 USART ports, 3 I2C buses and 3 SPI buses, which makes the board a reasonable fit for projects that need to talk CAN bus alongside more conventional serial links, such as automotive-style prototyping or industrial control nodes.
It runs from 1.7V to 3.6V and can be powered either through USB at 5V or from a 3.3V header pin, giving flexibility for bench testing or embedding in a larger system. USB connectivity is 2.0 Full Speed and crystal-less, meaning the chip generates its own USB clock internally rather than needing an external crystal for that function, which trims part count. Debugging uses the standard SWD interface (SWDIO and SWCLK).
On the analog side there is a 12-bit ADC running up to 2.5 megasamples per second across 16 channels, plus two 12-bit DACs, and the chip provides 15 timers spanning advanced, general-purpose, low-power and watchdog types for precise timing and PWM work.
Engineers and hobbyists prototyping low-power sensor nodes, automation controllers or CAN-connected devices will find the peripheral mix useful, especially the dual FDCAN and crystal-less USB. The board ships as a single unit.
ST's STM32G0B1RET6, an ARM Cortex-M0+ running at up to 64MHz.
512KB of flash; the spec table also lists 512KB of SRAM.
Yes, it has two FDCAN interfaces.
No, USB 2.0 Full Speed on this chip is crystal-less.
From USB at 5V, or from a 3.3V header pin, within an operating range of 1.7V to 3.6V.
| Brand | 7Semi |
|---|---|
| Flash Memory | 512KB |
| MCU / Processor | STM32G0B1RET6 (Arm Cortex-M0+) |
| Operating Voltage | 1.7-3.6V |
| Selling unit | PCS |
