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參數(shù)資料
| 型號(hào)： | PCI1221GHK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | KPT 11C 11#16 SKT PLUG |
| 中文描述： | PC卡控制器 |
| 文件頁(yè)數(shù)： | 95/123頁(yè) |
| 文件大?。?/td> | 1659K |
| 代理商： | PCI1221GHK |
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95
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
ExCA memory window 0–4 start-address high-byte register (index 11h, 19h, 21h, 29h, 31h)
Bit
7
6
5
4
3
2
1
0
Name
ExCA memory window 0–4 start-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:
ExCA memory window 0 start-address high byte
CardBus socket address + 811h; Card A ExCA offset 11h
Card B ExCA offset 51h
Register:
Offset:
ExCA memory window 1 start-address high byte
CardBus socket address + 819h; Card A ExCA offset 19h
Card B ExCA offset 59h
Register:
Offset:
ExCA memory window 2 start-address high byte
CardBus socket address + 821h; Card A ExCA offset 21h
Card B ExCA offset 61h
Register:
Offset:
ExCA memory window 3 start-address high byte
CardBus socket address + 829h; Card A ExCA offset 29h
Card B ExCA offset 69h
Register:
Offset:
ExCA memory window 4 start-address high byte
CardBus socket address + 831h; Card A ExCA offset 31h
Card B ExCA offset 71h
Type:
Default:
Size:
Description: These registers contain the high nibble of the 16-bit memory window start address for memory
windows 0, 1, 2, 3, and 4. The lower four bits of these registers correspond to bits A23–A20 of
the start address. In addition, the memory window data width and wait states are set in
this register. See Table 47 for a complete description of the register contents.
Read/write
00h
One byte
Table 47. ExCA Memory Window 0–4 Start-Address High-Byte Register (Index 11h, 19h, 21h, 29h, 31h)
BIT
SIGNAL
TYPE
FUNCTION
7
DATASIZE
R/W
Data size. Bit 7 controls the memory window data width. This bit is encoded as:
0 = Window data width is 8 bits (default).
1 = Window data width is 16 bits.
6
ZEROWAIT
R/W
Zero wait state. Bit 6 controls the memory window wait state for 8- and 16-bit accesses. This wait-state
timing emulates the ISA wait state used by the Intel
82365SL-DF. This bit is encoded as:
0 = 8- and 16-bit cycles have standard length (default).
1 = 8-bit cycles are reduced to equivalent of three ISA cycles.
16-bit cycles are reduced to equivalent of two ISA cycles.
5-4
SCRATCH
R/W
Scratch pad bits. Bits 5-4 are read/write and have no effect on memory window operation.
3-0
STAHN
R/W
Start-address high nibble. Bits 3-0 represent the upper address bits A23–A20 of the memory window
start address.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| PCI1221PDV | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| PCI1225 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:PC CARD CONTROLLERS |
| PCI1225GHK | 制造商:Texas Instruments 功能描述: |
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| PCI-1240U | 制造商:ADVANTECH 制造商全稱(chēng):Advantech Co., Ltd. 功能描述:4-axis Stepping and Servo Motor Control Universal PCI Card |
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