[beagleboard] Re: PWM Subsystem Time Base input clock frequency?

2014-01-31 Thread robjsstewart
On Friday, January 31, 2014 1:38:32 PM UTC-5, robjss...@gmail.com wrote: According to the TRM, the Time Base module on each of the PWM subsystems is clocked directly from the cpu clock. That is, its being clocked at a period of 1 nsec. It can be prescaled down to 1/128,for a period of 128

[beagleboard] Re: PWM Subsystem Time Base input clock frequency?

2014-01-31 Thread robjsstewart
On Friday, January 31, 2014 1:48:09 PM UTC-5, Peter Baltus wrote: I guess I would argue that with 16 bits the counter can count up to 65535 and wrap around after 65536 counts of 128ns max. That gives a max period of the PWM of 8.39ms and a min frequency of 119Hz - I think. But it has been a