Hello everyone, I've been working on a project lately and needed to program some ROM for it. As I don't have a programmer, I made my own using an Arduino Nano and shift registers, it's almost identical to the one Ben Eater built ([youtube]/watch?v=K88pgWhEb1M). I'm using AT28C64B-20PC chips (http://www.atmel.com/images/doc0270.pdf).
After building and programming it and triple-checking that everything conforms to the datasheet, I tried it. It can set all data/address bits and...
AT28C64B-20PC doesn't write
After building and programming it and triple-checking that everything conforms to the datasheet, I tried it. It can set all data/address bits and...
AT28C64B-20PC doesn't write