PCI1410 Datasheet, PDF (117/145 Pages) Texas Instruments – PC CARD CONTROLLERS

5.21 ExCA I/O Windows 0 and 1 Offset-Address Low-Byte Registers
These registers contain the low byte of the 16-bit I/O window offset address for I/O windows 0 and 1. The 8 bits of
these registers correspond to the lower 8 bits of the offset address, and bit 0 is always 0.
Bit
7
6
5
4
3
2
1
0
Name
ExCA I/O windows 0 and 1 offset-address low-byte
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Register:
Offset:
Type:
Default:
ExCA I/O window 0 offset-address low-byte
CardBus socket address + 836h; ExCA offset 36h
ExCA I/O window 1 offset-address low-byte
CardBus socket address + 838h; ExCA offset 38h
Read-only, Read/Write
00h
5.22 ExCA I/O Windows 0 and 1 Offset-Address High-Byte Registers
These registers contain the high byte of the 16-bit I/O window offset address for I/O windows 0 and 1. The 8 bits of
these registers correspond to the upper 8 bits of the offset address.
Bit
7
6
5
4
3
2
1
0
Name
ExCA I/O windows 0 and 1 offset-address high-byte
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Register:
Offset:
Type:
Default:
ExCA I/O window 0 offset-address high-byte
CardBus socket address + 837h; ExCA offset 37h
ExCA I/O window 1 offset-address high-byte
CardBus socket address + 839h; ExCA offset 39h
Read/Write
00h
5–23