Datasheet
5−13
5.9 ExCA I/O Windows 0 and 1 Start-Address Low-Byte Registers
These registers contain the low byte of the 16-bit I/O window start address for I/O windows 0 and 1. The 8 bits of these
registers correspond to the lower 8 bits of the start address.
Bit 7 6 5 4 3 2 1 0
Default 0 0 0 0 0 0 0 0
Register: ExCA I/O window 0 start-address low-byte
Offset: CardBus socket address + 808h; ExCA offset 08h
Register: ExCA I/O window 1 start-address low-byte
Offset: CardBus socket address + 80Ch; ExCA offset 0Ch
Type: Read/Write
Default: 00h
5.10 ExCA I/O Windows 0 and 1 Start-Address High-Byte Registers
These registers contain the high byte of the 16-bit I/O window start address for I/O windows 0 and 1. The 8 bits of
these registers correspond to the upper 8 bits of the end address.
Bit 7 6 5 4 3 2 1 0
Default 0 0 0 0 0 0 0 0
Register: ExCA I/O window 0 start-address high-byte
Offset: CardBus socket address + 809h; ExCA offset 09h
Register: ExCA I/O window 1 start-address high-byte
Offset: CardBus socket address + 80Dh; ExCA offset 0Dh
Type: Read/write
Default: 00h
5.11 ExCA I/O Windows 0 and 1 End-Address Low-Byte Registers
These registers contain the low 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 lower 8 bits of the end address.
Bit 7 6 5 4 3 2 1 0
Default 0 0 0 0 0 0 0 0
Register: ExCA I/O window 0 end-address low-byte
Offset: CardBus socket address + 80Ah; ExCA offset 0Ah
Register: ExCA
I/O window 1 end-address low-byte
Offset: CardBus socket address + 80Eh; ExCA offset 0Eh
Type: Read/Write
Default: 00h
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.
Bit 7 6 5 4 3 2 1 0
Default 0 0 0 0 0 0 0 0
Register: ExCA I/O window 0 end-address high-byte
Offset: CardBus socket address + 80Bh; ExCA offset 0Bh
Register: ExCA
I/O window 1 end-address high-byte
Offset: CardBus socket address + 80Fh; ExCA offset 0Fh
Type: Read/write
Default: 00h