Keyboard-with-FPC-60pin-0.5mm.md 695 B

usb-serial | keyboard IO number | keyboard IO register – | – | – 3v3 | 3 | 3v3 TXD | 16 | PA10 RXD | 15 | PA9 GND | 1 | GND

USB | keyboard IO number | keyboard IO register – | – | – 5v power | 5 | 5v GND | 22 | GND data + | 18 | PA12(USB_DP) data - | 17 | PA11(USB_DM)

can not have USB and usb-serial both ON
sudo stm32flash -r devterm.kbd.0.3_48mhz.bin -S 0x08000000:65536 /dev/ttyUSB0
srec_cat devterm.kbd.0.3_48mhz.bin -Binary -offset 0x08000000 -output devterm.kbd.0.3_48mhz.hex -Intel

stm32flash -w devterm_kbd.bin -v -S 0x08000000 /dev/ttyUSB0

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