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)： 95/125頁
文件大?。?/td> 716K
代理商： PCI1520-EP
5
–
8
5.4
ExCA Interrupt and General Control Register
The ExCA interrupt and general control register controls interrupt routing for I/O interrupts, as well as other critical
16-bit PC Card functions. See Table 5
–
6 for a complete description of the register contents.
Bit
7
6
5
4
3
2
1
0
Name
ExCA interrupt and general control
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Offset:
ExCA interrupt and general control
CardBus socket address + 803h; Card A ExCA offset 03h
Card B ExCA offset 43h
Type:
Default:
Read/Write
00h
Table 5
–
6. ExCA Interrupt and General Control Register Description
BIT
SIGNAL
TYPE
FUNCTION
7
RINGEN
RW
Card ring indicate enable. Bit 7 enables the ring indicate function of BVD1/RI. This bit is encoded as:
0 = Ring indicate disabled (default)
1 = Ring indicate enabled
6
RESET
RW
Card reset. Bit 6 controls the 16-bit PC Card RESET, and allows host software to force a card reset. Bit 6
affects 16-bit cards only. This bit is encoded as:
0 = RESET signal asserted (default)
1 = RESET signal deasserted
5
CARDTYPE
RW
Card type. Bit 5 indicates the PC card type. This bit is encoded as:
0 = Memory PC Card installed (default)
1 = I/O PC Card installed
4
CSCROUTE
RW
PCI interrupt CSC routing enable bit. When bit 4 is set (high), the card status change interrupts are routed
to PCI interrupts. When low, the card status change interrupts are routed using bits 7
–
4 (CSCSELECT field)
in the ExCA card status-change interrupt configuration register (ExCA offset 05h/45h/805h, see
Section 5.6). This bit is encoded as:
0 = CSC interrupts are routed by ExCA registers (default).
1 = CSC interrupts are routed to PCI interrupts.
3
–
0
INTSELECT
RW
Card interrupt select for I/O PC Card functional interrupts. Bits 3
–
0 select the interrupt routing for I/O
PC Card functional interrupts. This field is encoded as:
0000 = No interrupt routing (default). CSC interrupts are routed to PCI interrupts. This bit setting is
ORed with bit 4 (CSCROUTE) for backward compatibility.
0001 = IRQ1 enabled
0010 = SMI enabled
0011 = IRQ3 enabled
0100 = IRQ4 enabled
0101 = IRQ5 enabled
0100 = IRQ6 enabled
0111 = IRQ7 enabled
1000 = IRQ8 enabled
1001 = IRQ9 enabled
1010 = IRQ10 enabled
1011 = IRQ11 enabled
1100 = IRQ12 enabled
1101 = IRQ13 enabled
1110 = IRQ14 enabled
1111 = IRQ15 enabled
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