| ??? 03/23/07 22:27 Read: times |
#135719 - catching the keyboard clock pulses |
Hi,
I try to write to lcd with keyboard(PS2). When we pressed the key, keyboard generate a clock with 11 pulses, but I can just catch the 6 pulses with interrupt. I use 8051 and my system clock is 11.0592 Mhz. How can I solve my problem |
| Topic | Author | Date |
| catching the keyboard clock pulses | 01/01/70 00:00 | |
| More information | 01/01/70 00:00 | |
| more information | 01/01/70 00:00 | |
| Too long in the ISR?? | 01/01/70 00:00 | |
| short ISR | 01/01/70 00:00 | |
| Serial data | 01/01/70 00:00 | |
| clock rate | 01/01/70 00:00 | |
| better, but not good enough | 01/01/70 00:00 | |
| keyboard clock & system clock | 01/01/70 00:00 | |
| Inefficient code! | 01/01/70 00:00 | |
| send an e-mail to | 01/01/70 00:00 | |
| And many, many more | 01/01/70 00:00 | |
AN434 code | 01/01/70 00:00 |