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  • Hi Oliver, Thanks for the answer. You are right with the SWIM-Speed which is only at 8 Mhz. This would then match ST's 64kb/sec SWIM-Speed (8Mhz SWIM Clock, 10 Clocks/bit, aproximatly 12bits per Byte for writing a page on the fly -> 8meg/10/12=~67kbyte). So for programming, transfer & verify this would be ~3.5s (~1.5s + 2s = ~3.5). Comparing this again with the real programming speed I still see a big difference. My calculation is assuming the "fast block programming mode" which needs 3ms per pa…

  • Hello, I am using Flasher STM8 in production and it is working quite well. Biggest mcu is STM8L151C8 with 64kb and it takes about 6.4s for program & verify without erase (USB) which is quite close to 11.3kB as it says online. As I program >100k mcus/year I would like to improve this speed. I think with checking my setup I could increase the speed to the 11.3kB but my wish would of course be to make it even faster. After analysing the SWIM flashing algorithm I wonder where the bottleneck is. Acco…