Texas Instruments Dual/Single Socket CardBus and UntraMedia Controller PCI7621 User Manual
Page 147
5−19
5.17 ExCA Memory Windows 0−4 Offset-Address Low-Byte Registers
These registers contain the low byte of the 16-bit memory window offset address for memory windows 0, 1, 2, 3,
and 4. The 8 bits of these registers correspond to bits A19−A12 of the offset address.
Bit
7
6
5
4
3
2
1
0
Name
ExCA memory windows 0−4 offset-address low-byte
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
ExCA memory window 0 offset-address low-byte
Offset:
CardBus Socket Address + 814h:
Card A ExCA Offset 14h
Card B ExCA Offset 54h
Register:
ExCA memory window 1 offset-address low-byte
Offset:
CardBus Socket Address + 81Ch:
Card A ExCA Offset 1Ch
Card B ExCA Offset 5Ch
Register:
ExCA memory window 2 offset-address low-byte
Offset:
CardBus Socket Address + 824h:
Card A ExCA Offset 24h
Card B ExCA Offset 64h
Register:
ExCA memory window 3 offset-address low-byte
Offset:
CardBus Socket Address + 82Ch:
Card A ExCA Offset 2Ch
Card B ExCA Offset 6Ch
Register:
ExCA memory window 4 offset-address low-byte
Offset:
CardBus Socket Address + 834h:
Card A ExCA Offset 34h
Card B ExCA Offset 74h
Type:
Read/Write
Default: 00h