MPC8xx Low Power Mode question

Hi All,

I have a few questions on Low Power Modes on the MPC850/860/8xx.
My User Manual states the to switch to Normal Low Mode (the one that just reduces core clock speed) the folowing must be true.

1.  The MSR register's POW bit must be set.
2.  The PLPRCR register's CSRC bit must be set.
3.  The PLPRCR register's TMIST bit must be cleared.

My User Manual states that when the SCCR register's PRQEN bit is set that when an interrupt occurs that the process or will return to Normal High Mode ( regualr fast core clock speed ).

My first question is this, which of the 3 bits listed above
changes to accomplish this? The User Manual does not state this.

The first person who answers this question correctly wins a case
of imaginary beer to drink with their imaginary friends.

Thanks

Conn
--

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Conn Clark
Engineering Stooge [email protected]
Electronic Systems Technology Inc. www.esteem.com

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