Hi!
I have some questions concerning the relatively new Philips microcontroller P89LPC922. Can anyone tell me how to make use of the PWM output? Which SFRs do I need to use and which Pin is associated with the PWM outpu? Unfortunatelly, the datasheet isn't of much help.
Thanks Stefan
Hi Stefan, have you seen this ?
Stefan schrieb:
Look for the User Manual which should be available at the Philips website. It contains exactly these details.
It doesn't - probably because the chip is quite new?! It even doesn't contain a detailed description of the SFR's...
Stefan
In situations like this, you can try looking at an older family member, like the P89LPC932 users manual ? That can help with the 'educated guess' process :)
Doing this, suggests T0M2..T0M0 = 06H will enable PWM, which it appears auto-enables the PIN T0 as PWM_out. (pin10)
Try
TAMOD := 2#0000_0001; (* T0M2 = 1 *) TMOD := 2#0000_0010; (* M1,M0 10 *)
With a loop to sweep TH0 0..255, and see what happens on T0 Pin. ( shift above left 4 bits to work on Timer 1 )
-jg
urls are here :
-jg
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