This is a quick post about the *32F103 comparison. When talking about my comparison on IRC, I was asked if I could run the Blinky test from the Greaseweazle project. It looks like an interesting project I’ll need to check out in the future. Looking at the description of that test, it’s gonna toggle PC13…

Update 2020-06-14: Added HK32 Hello there. This is a follow up on the comparison for the *32F103 parts. We’ve got the STM32F103C8T6, GD32F103C8T6, HK32F103CBT6, CS32F103C8T6 and APM32F103C8T6. As seen in part 2, there are some differences in how they identify themselves to the debugger. Now I’ll have a look at the ROMTABLE. I can query…

Update 2020-06-13: Added the HK32, updated stlink-gui/st-flash: it works with CKS32 now. Welcome back to my 32F103 Comparison. Let’s recap. The STM32F103C8T6 is a popular microcontroller by STMicroelectronics. Various Chinese manufacturers are producing parts in the same naming scheme, eg. APM32F103C8T6, BLM32F103C8T6, CS32F103C8T6, GD32F103C8T6 and MM32F103C8T6. What does this mean? There are parts, such as…

Update 2020-06-13: During some discussions about STM32F103 clones, I’ve sent some parts to Richi’s Lab who makes die shots of ICs. Links to the die shots for the parts have been added. Furthermore, I’ve added another part, HK32, to the comparison. I have mentioned some websites were unreachable. It turns out, the websites work when…