參數(shù)資料
型號: PCI6515GHK
廠商: Texas Instruments, Inc.
英文描述: SINGLE SOCKET CARDBUS CONTROLLER WITH DEDICATED SMART CARD SOCKET
中文描述: 單插槽CardBus控制器,專用智能卡插槽
文件頁數(shù): 115/148頁
文件大小: 760K
代理商: PCI6515GHK
521
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
RW
RW
RW
RW
RW
RW
RW
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 I/O window 1 offset-address low-byte
CardBus Socket Address + 838h:
Read/Write, Read-only
00h
Card A ExCA Offset 36h
Card A ExCA Offset 38h
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
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Register:
Offset:
Type:
Default:
ExCA I/O window 0 offset-address high-byte
ExCA I/O window 1 offset-address high-byte
CardBus Socket Address + 839h:
Read/Write
00h
Card A ExCA Offset 37h
Card A ExCA Offset 39h
5.23 ExCA Memory Windows 04 Page Registers
The upper 8 bits of a 4-byte PCI memory address are compared to the contents of this register when decoding
addresses for 16-bit memory windows. Each window has its own page register, all of which default to 00h. By
programming this register to a nonzero value, host software can locate 16-bit memory windows in any one of 256
16-Mbyte regions in the 4-gigabyte PCI address space. These registers are only accessible when the ExCA registers
are memory-mapped, that is, these registers may not be accessed using the index/data I/O scheme.
Bit
7
6
5
4
3
2
1
0
Name
ExCA memory windows 04 page
Type
RW
RW
RW
RW
RW
RW
RW
R
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Type:
Default:
ExCA memory windows 04 page
CardBus Socket Address + 840h, 841h, 842h, 843h, 844h
Read/Write
00h
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