To write each byte, put the byte address on the 21 address pins (A-1 through A19), put the data on Q0 through Q7, set /WE low, and pulse /CE low. Keep /BYTE low, /RESET and /OE high.
You need 31 output pins so you should use the Mega.
To write each byte, put the byte address on the 21 address pins (A-1 through A19), put the data on Q0 through Q7, set /WE low, and pulse /CE low. Keep /BYTE low, /RESET and /OE high.
You need 31 output pins so you should use the Mega.