MEC1322 Datasheet, PDF (221/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
Offset ^04h
Bits
Description
0 WDT Enable
In WDT Operation, the WDT is activated by the sequence of opera-
tions defined in Section 16.7.1.1, "WDT Activation Mechanism" and
deactivated by the sequence of operations defined in Section
16.7.1.2, "WDT Deactivation Mechanism".
0 = block disabled
1 = block enabled
Type
R/W
Note: The default of the WDT is inactive.
Default
0b
Reset
Event
VCC1_R
ESET
16.8.3 WDT KICK REGISTER
Offset ^08h
Bits
Description
7:0 Kick
The WDT Kick Register is a strobe. Reads of the WDT Kick Register
return 0. Writes to the WDT Kick Register cause the WDT to reload
the WDT Load Register value and start decrementing when the
WDT Enable bit in the WDT Control Register is set to ‘1’. When the
WDT Enable bit in the WDT Control Register is cleared to ‘0’, writes
to the WDT Kick Register have no effect.
Type
W
Default
n/a
Reset
Event
VCC1_R
ESET
16.8.4 WDT COUNT REGISTER
Offset ^0Ch
Bits
Description
15:0 WDT Count
This read-only register provide the current WDT count.
Type
R
Default
Fh
Reset
Event
VCC1_R
ESET
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DS00001719D-page 221