Changes between Initial Version and Version 1 of EpromProgrammer


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Timestamp:
Mar 10, 2020, 11:02:16 AM (4 years ago)
Author:
Eric Hazen
Comment:

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  • EpromProgrammer

    v1 v1  
     1
     2Need an EEPROM programmer for the Z80 project. 
     3
     4* [https://www.mouser.com/datasheet/2/268/doc0006-1108095.pdf AT28C256]
     5* [https://upload.wikimedia.org/wikipedia/commons/c/c9/Pinout_of_ARDUINO_Board_and_ATMega328PU.svg Arduino pinout]
     6
     7Observation:  Arduino has enough pins to program the low 256 bytes.  Might be able to fit some sort of bootloader in there.
     8It wouldn't be much trouble to add a latch for the upper address lines.
     9
     10Ordered an Arduino prototyping shield.