PC87570 Datasheet, PDF (74/168 Pages) National Semiconductor (TI) – PC87570 Keyboard and Power Management Controller

Real-Time Clock (RTC) and Advanced Power Control (APC)
6.7 REGISTER BANKS
Table 6-7. Bank 0 Register Memory Map
Offset Register
Format
BCD
Binary
Value
Power-On
Reset
00h Seconds
00-59
00-3B
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh-
3Fh
40h-
7Fh
Seconds
Alarm
00-59
00-3B
Minutes
00-59
00-3B
Minutes Alarm 00-59
00-3B
Hours
12H 01-12 (AM) 01-0C (AM) 3
81-92 (PM) 81-8C (PM)
24H 00-23
00-17
Hours Alarm 12H 01-12 (AM) 01-0C (AM)
81-92 (PM) 81-8C (PM)
24H 00-23
00-17
Day of Week 01-07
01-07
Date of Month 01-31
01-1F
Month
01-12
01-0C
Year
00-99
00-63
CRA
CRB
CRC
CRD
General
Purpose RAM
General
Purpose RAM
Type
R/W
R/W
R/W
R/W
R/W
Function
R/W
R/W
Sunday = 1
R/W
R/W
R/W
R/W Bit 7=Read
R/W Bit 3=Read
Read
Read
R/W
R/W
74
www.national.com