MEC1322 Datasheet, PDF (235/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
19.11.3 MINUTES REGISTER
Offset ^02h
Bits
Description
Type
7:0 MINUTES
R/W
Displays the number of minutes past the current hour, in the range 0-
-59. Presentation may be selected as binary or BCD, depending on
the DM bit in Register B. Values written must also use the format
defined by the current setting of the DM bit.
Default
00h
Reset
Event
RTC_RS
T
19.11.4 MINUTES ALARM REGISTER
Offset ^03h
Bits
Description
Type
7:0 MINUTES_ALARM
R/W
Holds a match value, compared against the Minutes Register to trig-
ger the Alarm event. Values written to this register must use the for-
mat defined by the current setting of the DM bit in Register B. A value
of 11xxxxxxb written to this register makes it don’t-care (always
matching).
Default
00h
Reset
Event
RTC_R
ST
19.11.5 HOURS REGISTER
Offset ^04h
Bits
Description
7 HOURS_AM_PM
In 12-hour mode (see bit “24/12” in register B), this bit indicates AM or
PM.
Type
R/W
1=PM
0=AM
6:0 HOURS
R/W
Displays the number of the hour, in the range 1--12 for 12-hour mode
(see bit “24/12” in register B), or in the range 0--23 for 24-hour mode.
Presentation may be selected as binary or BCD, depending on the
DM bit in Register B. Values written must also use the format defined
by the current setting of the DM bit.
Default
0b
Reset
Event
RTC_R
ST
00h
RTC_R
ST
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DS00001719D-page 235