Timer Prescale Counter ... TIMERxTPR

460822

1) As I understand, the TDDR field sets the divide down for clocking the Timer. A TDDR of 2 indicates the Timer is clocked by SYSCLKOUT / 3. Is this correct?

2) What is the purpose of the PSC field?

over 15 years ago

0 andreas von kaenel over 15 years ago

Genius 4925 points

Hi Clyde,

1) this is correct

2) PSC is the prescale counter. A read of this register gives you the actual prescale value. a direct write is not possible.

This information can be found in the System Control and Interrupts Guide of your target

BR Andreas

0 460822 over 15 years ago in reply to andreas von kaenel

Genius 4055 points

2) A read of the TDDR is not possible? A person must read the PSC to know the contents of TDDR?

3) When are the contents of TDDR moved to PSC?

0 andreas von kaenel over 15 years ago in reply to 460822

Genius 4925 points

Hi Clyde,

Read the attached abstract from the systemcontrol and interrupts guide and you will find the answer.

BR Andreas

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Timer Prescale Counter ... TIMERxTPR