參數(shù)資料
型號： PCI6515ZHK
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)： 120/148頁
文件大?。?/td> 760K
代理商： PCI6515ZHK
64
6.3
Socket Present State Register
This register reports information about the socket interface. Writes to the socket force event register (offset 0Ch, see
Section 6.4), as well as general socket interface status, are reflected here. Information about PC Card V
CC
support
and card type is only updated at each insertion. Also note that the PCI6515 controller uses the CCD1 and CCD2
signals during card identification, and changes on these signals during this operation are not reflected in this 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:
Offset:
Type:
Default:
Socket present state
CardBus Socket Address + 08h
Read-only
3000 00XXh
Table 64. Socket Present State Register Description
BIT
SIGNAL
TYPE
FUNCTION
31
YVSOCKET
R
YV socket. This bit indicates whether or not the socket can supply VCC = Y.Y V to PC Cards. The
PCI6515 controller does not support Y.Y-V VCC; therefore, this bit is always reset unless overridden
by the socket force event register (offset 0Ch, see Section 6.4). This bit defaults to 0.
30
XVSOCKET
R
XV socket. This bit indicates whether or not the socket can supply VCC = X.X V to PC Cards. The
PCI6515 controller does not support X.X-V VCC; therefore, this bit is always reset unless overridden
by the socket force event register (offset 0Ch, see Section 6.4). This bit defaults to 0.
29
3VSOCKET
R
3-V socket. This bit indicates whether or not the socket can supply VCC = 3.3 Vdc to PC Cards. The
PCI6515 controller does support 3.3-V VCC; therefore, this bit is always set unless overridden by the
socket force event register (offset 0Ch, see Section 6.4).
28
5VSOCKET
R
5-V socket. This bit indicates whether or not the socket can supply VCC = 5 Vdc to PC Cards. The
PCI6515 controller does support 5-V VCC; therefore, this bit is always set unless overridden by bit 6
of the device control register (PCI offset 92h, see Section 4.38).
2714
RSVD
R
These bits return 0s when read.
13
YVCARD
R
YV card. This bit indicates whether or not the PC Card inserted in the socket supports VCC = Y.Y Vdc.
This bit can be set by writing a 1 to the corresponding bit in the socket force event register (offset 0Ch,
see Section 6.4).
12
XVCARD
R
XV card. This bit indicates whether or not the PC Card inserted in the socket supports VCC = X.X Vdc.
This bit can be set by writing a 1 to the corresponding bit in the socket force event register (offset 0Ch,
see Section 6.4).
11
3VCARD
R
3-V card. This bit indicates whether or not the PC Card inserted in the socket supports VCC = 3.3 Vdc.
This bit can be set by writing a 1 to the corresponding bit in the socket force event register (offset 0Ch,
see Section 6.4).
10
5VCARD
R
5-V card. This bit indicates whether or not the PC Card inserted in the socket supports VCC = 5 Vdc.
This bit can be set by writing a 1 to the corresponding bit in the socket force event register (offset 0Ch,
see Section 6.4).
One or more bits in the register are PME context bits and can be cleared only by the assertion of GRST when PME is enabled. If PME is not
enabled, then these bits are cleared by the assertion of PRST or GRST.
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