ATMega 328p use ext 16M oscilator
https://www.ee-diary.com/2021/06/how-to-program-atmega328p-using-atmel.html
Step to run icesugar-nano
Bought from here. user manual： https://github.com/wuxx/icesugar-nano/blob/main/README.mdwin 7 serial driver： https://github.com/wuxx/icesugar-nano/blob/main/doc/usbser.infsource and semantics： https://github.com/wuxx/icesugar-nano Follow https://projectf.io/posts/building-ice40-fpga-toolchain/ . If you got this error: fatal error: ‘ftdi.h’ file not found, then modify config.mk in /Users/peter/workspace/icestorm: Edit /Users/peter/workspace/icestorm/iceprog/Makefile All examples in https://github.com/wuxx/icesugar-nano , just drag the demo program from demo folder or build it…
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