Re: PPC405 sleep?

From: Erik Widding (
Date: 02/17/05

Date: 17 Feb 2005 09:03:31 -0800


Sleep is also a function of the hardware. The ppc405 core will signal
that it wishes to be put to sleep with the C405CPMCORESLEEPREQ ouput
signal. It is the responisbility of external user logic to actually
put the processor to sleep. This external logic is non-trivial.

The right place to get started is in the UserGuide for the core from
Look at the last paragraph on page 35.


Erik Widding
Birger Engineering, Inc.
 (mail) 100 Boylston St #1070; Boston, MA 02116
(voice) 617.695.9233
  (fax) 617.695.9234

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