pc87317vul National Semiconductor Corporation, pc87317vul Datasheet - Page 91

• Manufacturer Part Number: pc87317vul
• Description: Pc87317vul/pc97317vul Superi/o Plug And Play Compatible With Acpi Compliant Controller/extender
• Manufacturer: National Semiconductor Corporation

Month Alarm Address
Register
Century Address Register
0Eh - 3Fh
40h - 7Fh
50h, 53h
Index
Register
Total
Real-Time Clock (RTC) and Advanced Power Control (APC) (Logical Device 2)
Bank 0
Bank 1
Bank
All
52h-7Fh
Index
50h
51h
TABLE 4-23. Available General Purpose Bytes
Number of Bytes
Type
R/W
R/W
128
242
50
64
Power-On Value
91
CAh
C8h
Indirect access via 50h for address and 53h for data.
Contains the Month Alarm Relocatable index
within bank 0 or 1
Contains the Century Relocatable index within
bank 0 or 1
Reserved
Notes
Function
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