參數(shù)資料
型號(hào): PCI1520-EP
英文描述: Military Enhanced Plastic PC Card Controllers Data Manual
中文描述: 軍事增強(qiáng)塑料PC卡控制器數(shù)據(jù)手冊(cè)
文件頁數(shù): 114/125頁
文件大?。?/td> 716K
代理商: PCI1520-EP
6
3
6.2
Socket Mask Register
The socket mask register allows software to control the CardBus card events that generate a status change interrupt.
The state of these mask bits does not prevent the corresponding bits from reacting in the socket event register (CB
offset 00h, see Section 6.1). See Table 6
3 for a complete description of the register contents.
Bit
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Name
Socket mask
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
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 mask
Type
R
R
R
R
R
R
R
R
R
R
R
R
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Register:
Offset:
Type:
Default:
Socket mask
CardBus socket address + 04h
Read-only, Read/Write
0000 0000h
Table 6
3. Socket Mask Register Description
BIT
SIGNAL
TYPE
FUNCTION
31
4
RSVD
R
Reserved. Bits 31
4 return 0s when read.
3
PWRMASK
RW
Power cycle. Bit 3 masks bit 3 (PWRCYCLE) in the socket present-state register (CB offset 08h, see
Section 6.3) from causing a status change interrupt.
0 = PWRCYCLE event does not cause CSC interrupt (default).
1 = PWRCYCLE event causes CSC interrupt.
2
1
CDMASK
RW
Card detect mask. Bits 2 and 1 mask bits 1 and 2 (CDETECT1 and CDETECT2) in the socket present-state
register (CB offset 08h, see Section 6.3) from causing a CSC interrupt.
00 = Insertion/removal does not cause CSC interrupt (default).
01 = Reserved (undefined)
10 = Reserved (undefined)
11 = Insertion/removal causes CSC interrupt.
0
CSTSMASK
RW
CSTSCHG mask. Bit 0 masks bit 0 (CARDSTS) in the socket present-state register (CB offset 08h, see
Section 6.3) from causing a CSC interrupt.
0 = CARDSTS event does not cause CSC interrupt (default).
1 = CARDSTS event causes CSC interrupt.
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