| ??? 05/10/05 17:17 Modified: 05/10/05 17:23 Read: times |
#93280 - bible time Responding to: ???'s previous message |
if the crystal frequency is 8Mhz, then the frequency division is only 6 machine cycles. whether the 89c51 is operating in any other special mode and not in the normal mode (12 machine cycle divisions), if so how do i change it to normal mode.
"the bible" clearly states that under most circumstances, you get two ALEs each cycle. Now, get rid of that overtone crystal Erik |
| Topic | Author | Date |
| crystal problem - 89c51 | 01/01/70 00:00 | |
| ALE | 01/01/70 00:00 | |
| Maybe... | 01/01/70 00:00 | |
| two capacitors or one?? | 01/01/70 00:00 | |
| milli? | 01/01/70 00:00 | |
| read Atmel | 01/01/70 00:00 | |
| Use XTAL2 pin for freq. measurment | 01/01/70 00:00 | |
| Better use 22MHz fundamental + two 27pF | 01/01/70 00:00 | |
| tried for low capacitance | 01/01/70 00:00 | |
| bible time | 01/01/70 00:00 | |
This should help | 01/01/70 00:00 |