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PCI1221 Datasheet(PDF) 106 Page - Texas Instruments

Part # PCI1221
Description  PC CARD CONTROLLERS
PDF  123 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCI1221 Datasheet(HTML) 106 Page - Texas Instruments

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106
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
socket present-state register
Bit
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Name
Socket present state
Type
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Default
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Name
Socket present state
Type
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Default
0
0
0
0
0
0
0
0
0
X
0
0
0
X
X
X
Register:
Socket present state
Type:
Read only
Offset:
CardBus socket address + 08h
Default:
3000 00XXh
Description: The socket present-state register reports information about the socket interface. Write
transactions to the socket force event register are reflected here, as well as general socket
interface status. Information about PC Card VCC support and card type is only updated at
each insertion. Also note that the PCI1221 uses CCD1 and CCD2 during card identification,
and changes on these signals during this operation are not reflected in this register. See
Table 55 for a complete description of the register contents.



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