| ??? 06/18/05 22:04 Read: times |
#95282 - Thanks Dan. Responding to: ???'s previous message |
Dan Henry said: You actually mean CLRing bits 1 and 6 of CCAPMn(PWMn and ECOMn) before CLR/SETB the pin, Don't you. Mayebe I have to do that. Why isn't there any indication of this in the CookBook then?
I would think that when you want 0%, you would set CCAPMn to 0 and then take the respective pin low. Similarly for 100%, you would set CCAPMn to 0 and then take the respective pin high. ... Figure 13 shows a few common duty cycles and the corresponding values for CCAPnH. Note that a 0% duty cycle can be obtained by writing to the port pin directly with the CLR bit instruction... p.s. AT89C51RD2 page 47, Figure 21. made me understand! Thanks Dan. |
| Topic | Author | Date |
| Turn off/on the PWMed pin 'mannualy' | 01/01/70 00:00 | |
| Disable CCAPMn, then control pin | 01/01/70 00:00 | |
Thanks Dan. | 01/01/70 00:00 |