cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 424

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

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RTC Register Descriptions
5.15.2 RTC Native Registers
5.15.2.1
I/O Address
Type
Reset Value
5.15.2.2
I/O Address
Type
Reset Value
5.15.2.3
I/O Address
Type
Reset Value
Bit
7:0
Bit
7:0
Bit
7:0
7
7
7
Seconds (RTC_SEC)
Seconds Alarm (RTC_SECA)
Minutes (RTC_MIN)
Name
SEC_DATA
Name
SECA_DATA
Name
MIN_DATA
00h
R/W
00h
01h
R/W
00h
02h
R/W
00h
6
6
6
Description
Seconds Data. Values may be 00 to 59 in BCD format or 00 to 3B in binary format.
Reset by V
Description
Seconds Alarm Data. Values may be 00 to 59 in BCD format or 00 to 3B in binary for-
mat. When bits 7 and 6 are both set to one, an unconditional match is selected. Reset
by V
Description
Minutes Data. Values may be 00 to 59 in BCD format or 00 to 3B in binary format.
Reset by V
5
5
5
PP
(Continued)
power-up.
RTC_SECA Bit Descriptions
PP
PP
RTC_SEC Bit Descriptions
RTC_MIN Bit Descriptions
RTC_SECA Register Map
RTC_SEC Register Map
RTC_MIN Register Map
power-up.
power-up.
4
4
4
SECA_DATA
SEC_DATA
MIN_DATA
424
3
3
3
2
2
2
1
1
1
Revision 0.8
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