ACT8935
Rev 4, 17-Sep-13
completely software-controlled, but typically
involved initiating various “clean-up” processes
before clear SDREQ[-] bit to 0, disabling all
regulators and shutting the system down.
Disable Sequence
As with the enable sequence, a typical disable
sequence is initiated when the user presses the
push-button, which interrupts the processor via the
nPBSTAT output. The actual disable sequence is
Figure 6:
Power Disable Sequence
Shutdown Sequence
PBIN
nPBSTAT
nRSTO
PWREN
PWRHLD
OUT3
OUT5
OUT1
OUT2
OUT4, OUT6, OUT7
SDREQ[ ]
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