MEC1404 Datasheet, PDF (318/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
OFFSET ^14h
BITS
DESCRIPTION
WEEK_TIMER_POWERUP_EVENT_STATUS
This bit is set to ‘1’ when the Week Alarm Counter Register is
greater than or equal the contents of the Week Timer Compare
1 ^{Register and the POWERUP_EN is ‘1’.}
Writes of ‘1’ clear this bit. Writes of ‘0’ have no effect.
Note: This bit does not have to be cleared to remove a Week
Timer Power-Up Event.
SUBWEEK_TIMER_POWERUP_EVENT_STATUS
This bit is set to ‘1’ when the Sub-Week Alarm Counter Register
decrements from ‘1’ to ‘0’ and the POWERUP_EN is ‘1’.
0
Writes of ‘1’ clear this bit. Writes of ‘0’ have no effect.
Note: This bit MUST be cleared to remove a Sub-Week Timer
Power-Up Event.
TYPE
R/WC
R/WC
DEFAULT
RESET
EVENT
0
VBAT_
POR
0
VBAT_
POR
21.10.7 SUB-WEEK ALARM COUNTER REGISTER
Offset ^18h
Bits
Description
Type
31:25 Reserved
R
24:16 SUBWEEK_COUNTER_STATUS
R
Reads of this register return the current state of the 9-bit Sub-Week
Alarm counter.
15:9 Reserved
R
8:0 SUBWEEK_COUNTER_LOAD
R/W
Writes with a non-zero value to this field reload the 9-bit Sub-Week
Alarm counter. Writes of 0 disable the counter.
If the Sub-Week Alarm counter decrements to 0 and the AUTO_RE-
LOAD bit is set, the value in this field is automatically loaded into the
Sub-Week Alarm counter.
Default
-
00h
Reset
Event
-
VBAT
_POR
-
-
00h
VBAT
_POR
DS00001956D-page 318
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