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PWM4 problems with uPSD3200

tim239955
Associate II
Posted on March 03, 2005 at 06:41

PWM4 problems with uPSD3200

1 REPLY 1
tim239955
Associate II
Posted on May 17, 2011 at 12:06

Has anybody experienced problems with the PWM4 on the uPSD3200 series ?

Chip=uPSD3234A

PWM4W=5

PWM4P=10

fosc=24MHz

Prescaler1 determines PWM4 output frequency.

A problem occurs when the Prescaler contains 0080h. All other values appear to give an expected output from PWM4, but this value yields an inconsistant result, where the output pulse determined by PWM4P is correct, but the pulse determined by PWM4W is about 50 times what it should be.

Is this a know problem with the uPSD3200.

Are there any published documents concerning this problem ?

Is there a work around ?