Help me to interface keyboard with microcontroller

[manickam]

now i am doing pc keyboard interface project,but i can't get the keyboard full detail and how to interface with microcontroller pls any1 help me

 

[aviv6371]

Re: key board interface

which microconroller you r using ??

anyway theres plenty of this subject in the internet:


http://www.computer-engineering.org/ps2protocol/

http://www.osdever.net/documents/pdf/kbd.pdf
**broken link removed**

good luck !!

avi

Added after 2 minutes:


which microconroller you r using ??

anyway theres plenty of this subject in the internet:


http://www.computer-engineering.org/ps2protocol/

http://www.osdever.net/documents/pdf/kbd.pdf
**broken link removed**

good luck !!

avi

 

[techie]

key board interface

PC keyboard has 2 data lines, clock and data. It is extremely simple. Hookup a shift-register (hardware or software) and read the data transmitted by the Keyboard. It transmits a nmake code and a breeak code. Lot of docs on the net.