#10999 NORM Not Tri: XO-1.75 A3 idt1338 chip loses oscillator over laptop power cycle
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Fri Jun 17 00:31:06 EDT 2011
#10999: XO-1.75 A3 idt1338 chip loses oscillator over laptop power cycle
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Reporter: Quozl | Owner: wad
Type: defect | Status: assigned
Priority: normal | Milestone: Not Triaged
Component: hardware | Version: 1.75-A2
Resolution: | Keywords:
Next_action: diagnose | Verified: 0
Deployment_affected: | Blockedby:
Blocking: |
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Comment(by wad):
When the RTC is powered from a divider from +3.3VSUS (and maintaining the
time), the fall time during power-off is greater --- about 0.5V/mS as
opposed to 1V/ms. The glitch on the oscillator is correspondingly
smaller.
This is shown by the trace at the bottom of:
http://dev.laptop.org/~wad/10999/
--
Ticket URL: <http://dev.laptop.org/ticket/10999#comment:11>
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