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Does anybody have some experience with gd32 STM clones ? They're much cheaper, but how is the experience porting to from the STM ? It would nice to run the mbe
by petra 6y ago
Does anybody have some experience with gd32 STM clones ? They're much cheaper, but how is the experience porting to from the STM ?
It would nice to run the mbed, or maybe some rust, on a $1.2(qty 10, [1]) chip with 64KB flash.
[1]https://lcsc.com/product-detail/GigaDevice_GigaDevice-Semicon-Beijing-GD32F103C8T6_C77994.html https://lcsc.com/product-detail/GigaDevice_GigaDevice-Semico...
- embedawayz 6y agoI try not to use them, but they seem fine for basic SPI/UART/etc. Someone did an analysis of the dies, and apparently they compare favorably in some ways: https://zeptobars.com/en/read/GD32F103CBT6-mcm-serial-flash-Giga-Devices https://zeptobars.com/en/read/GD32F103CBT6-mcm-serial-flash-... I haven't tried anything complicated with the peripherals though, and the thing is, STM32F103 chips are so cheap already. The design is over 10 years old, and ST is so good at making them that most "64KB" chips actually have 128KB of Flash. The GD32V chips are very cool, though; they keep the STM32-alike peripherals, but they use a faster RISC-V CPU core (rv32imac).