??? 08/29/04 13:38 Read: times |
#76575 - RE: matrix keyboard interfacing with 8051 Responding to: ???'s previous message |
I am totally confused now. May be it is a language probelm, I am not an english man, but can't understand what do you really want?
DO you mean that you want to scan a keypad (let's assume 40 keys) and store the key pressed in RAM (40 bits are there for 40 keys) and then serially output this data to some driver circuit? |