STM32GC102CB ST-Link v2 clone - How to Upgrade Firmware
Channel: HashCollision
Date: 2020-07-02

Fixes "Error: Old ST-Link Firmware Version. Upgrade ST-LINK firmware" for STM32GC102CB based clones (and other ST-LINK clones).


Thread about the STM32GC102CB: https://www.eevblog.com/forum/microcontrollers/whats-an-stm32gc102cb/


ST-LINK firmware upgrade method: http://embeddedknowledge.blogspot.com/2013/04/st-link-is-not-in-dfu-mode.html



Seems to be a special edition STM32F102CB for the China market and *should* be compatible. The datasheet for the STM32GC102CB only guarantees 4-6KB of SRAM and 16 or 32KB flash. If it's just a marked down F103CBT6 die then it may have up to 128 flash and 20KB SRAM.