
ExCA Compatibilty Registers (Function 0)
119
September 2005
SCPS110
5.12 ExCA I/O Windows 0 and 1 End-Address High-Byte Registers
These registers contain the high byte of the 16-bit I/O window end address for I/O windows 0 and 1. The 8
bits of these registers correspond to the upper 8 bits of the end address.
Register:
ExCA I/O window 0 end-address high-byte
ExCA register offset:
CardBus Socket Address + 80Bh: Card A ExCA Offset 0Bh
Register:
ExCA I/O window 1 end-address high-byte
ExCA register offset:
CardBus Socket Address + 80Fh: Card A ExCA Offset 0Fh
Register type:
Read/Write
Default value:
00h
BIT NUMBER
7
6
5
4
3
2
1
0
RESET STATE
0
5.13 ExCA Memory Windows 04 Start-Address Low-Byte Registers
These registers contain the low byte of the 16-bit memory window start address for memory windows 0, 1,
2, 3, and 4. The 8 bits of these registers correspond to bits A19A12 of the start address.
Register:
ExCA memory window 0 start-address low-byte
ExCA register offset:
CardBus Socket Address + 810h: Card A ExCA Offset 10h
Register:
ExCA memory window 1 start-address low-byte
ExCA register offset:
CardBus Socket Address + 818h: Card A ExCA Offset 18h
Register:
ExCA memory window 2 start-address low-byte
ExCA register offset:
CardBus Socket Address + 820h: Card A ExCA Offset 20h
Register:
ExCA memory window 3 start-address low-byte
ExCA register offset:
CardBus Socket Address + 828h: Card A ExCA Offset 28h
Register:
ExCA memory window 4 start-address low-byte
ExCA register offset:
CardBus Socket Address + 830h: Card A ExCA Offset 30h
Register type:
Read/Write
Default value:
00h
BIT NUMBER
7
6
5
4
3
2
1
0
RESET STATE
0