pc87591l-n05 National Semiconductor Corporation, pc87591l-n05 Datasheet - Page 326

• Manufacturer Part Number: pc87591l-n05
• Description: Lpc Mobile Embedded Controller
• Manufacturer: National Semiconductor Corporation

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Host-Controlled Modules and Host Interface
RTC Register Map
Seconds Register (SEC)
Location: Index 00
Type:
Bit
Name
Reset
7-0
Bit
Seconds Data. Values may be 00 to 59 in BCD format or 00 to 3B in binary format.
R/W
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
Programmable
Programmable
Programmable
16
16
16
16
16
16
16
16
16
16
16
16
16
16
1. Overlaid on RAM bytes in range 0E
16
7
0
Index
1
1
1
SEC
SECA
MIN
MINA
HOR
HORA
DOW
DOM
MON
YER
CRA
CRB
CRC
CRD
DOMA
MONA
CEN
6
0
Mnemonic
5
0
Seconds Register
Seconds Alarm Register
Minutes Register
Minutes Alarm Register
Hours Register
Hours Alarm Register
Day Of Week Register
Date Of Month Register
Month Register
Year Register
RTC Control Register A
RTC Control Register B
RTC Control Register C
RTC Control Register D
Date of Month Alarm Register R/W
Month Alarm Register
Century Register
16
-7F
Description
326
Seconds Data
4
0
16
Name
.
(Continued)
3
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/O
R/O
R/W
R/W
Type
2
0
V
V
V
V
V
V
V
V
V
V
Bit specific
Bit specific
Bit specific
V
V
V
V
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
Reset
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
1
0
0
0
Revision 1.2