pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 366

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

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Host-Controlled Modules and Host Interface
Hours Alarm Register (HORA)
Location: Index 05
Type: R/W
Day Of Week Register (DOW)
Location: Index 06
Type: R/W
Date Of Month Register (DOM)
Location: Index 07
Type: R/W
Month Register (MON)
Location: Index 08
Type: R/W
Bit
Name
Reset
Bit
Name
Reset
Bit
Name
Reset
Bit
Name
Reset
7-0
7-0
7-0
7-0
Bit
Bit
Bit
Bit
Hours Alarm Data. For 12-hour mode, values may be 01 to 12 (a.m.) and 81 to 92 (p.m.) in BCD format or 01
to 0C (a.m.) and 81 to 8C (p.m.) in binary format. For 24-hour mode, values may be 00 to 23 in BCD format or
00 to 17 in binary format.
When bits 7 and 6 are both set to one (“11”), unconditional match is selected.
Day Of Week Data. Values may be 01 to 07 in BCD format or 01 to 07 in binary format.
Date Of Month Data. Values may be 01 to 31 in BCD format or 01 to 1F in binary format.
Month Data. Values may be 01 to 12 in BCD format or 01 to 0C in binary format.
16
16
16
16
7
0
7
0
7
0
7
0
6
0
6
0
6
0
6
0
5
0
5
0
5
0
5
0
Date Of Month Data
Day Of Week Data
Hours Alarm Data
Description
Description
Description
Description
366
4
0
4
0
4
0
4
0
Month Data
(Continued)
3
0
3
0
3
0
3
0
0
0
2
2
0
2
0
2
1
0
1
0
1
0
1
0
Revision 1.07
0
0
0
0
0
0
0
0