參數(shù)資料
型號： PCI1410GHK
廠商： Texas Instruments, Inc.
英文描述： PC CARD CONTROLLERS
中文描述： PC卡控制器
文件頁數(shù)： 96/145頁
文件大?。?/td> 606K
代理商： PCI1410GHK
5–2
The interrupt registers in the ExCA register set, as defined by the 82365SL–DL specification, control such card
functions as reset, type, interrupt routing, and interrupt enables. Special attention must be paid to the interrupt routing
registers and the host interrupt signaling method selected for the PCI1410 to ensure that all possible PCI1410
interrupts can potentially be routed to the programmable interrupt controller. The ExCA registers that are critical to
the interrupt signaling are the ExCA interrupt and general control register (ExCA offset 03h, see Section 5.4) and the
ExCA card status-change-interrupt configuration register (ExCA offset 05h, see Section 5.6).
Access to I/O mapped 16-bit PC cards is available to the host system via two ExCA I/O windows. These are regions
of host I/O address space into which the card I/O space is mapped. These windows are defined by start, end, and
offset addresses programmed in the ExCA registers described in this section. I/O windows have byte granularity.
Access to memory mapped 16-bit PC Cards is available to the host system via five ExCA memory windows. These
are regions of host memory space into which the card memory space is mapped. These windows are defined by start,
end, and offset addresses programmed in the ExCA registers described in this section. Table 5–1 identifies each
ExCA register and its respective ExCA offset. Memory windows have 4K-byte granularity.
Table 5–1. ExCA Registers and Offsets
E
X
CA REGISTER NAME
PCI MEMORY ADDRESS
OFFSET (HEX)
ExCA OFFSET
(HEX)
Identification and revision
800
00
Interface status
801
01
Power control
802
02
Interrupt and general control
803
03
Card status-change
804
04
Card status-change-interrupt configuration
805
05
Address window enable
806
06
I / O window control
807
07
I / O window 0 start-address low-byte
808
08
I / O window 0 start-address high-byte
809
09
I / O window 0 end-address low-byte
80A
0A
I / O window 0 end-address high-byte
80B
0B
I / O window 1 start-address low-byte
80C
0C
I / O window 1 start-address high-byte
80D
0D
I / O window 1 end-address low-byte
80E
0E
I / O window 1 end-address high-byte
80F
0F
Memory window 0 start-address low-byte
810
10
Memory window 0 start-address high-byte
811
11
Memory window 0 end-address low-byte
812
12
Memory window 0 end-address high-byte
813
13
Memory window 0 offset-address low-byte
814
14
Memory window 0 offset-address high-byte
815
15
Card detect and general control
816
16
Reserved
817
17
Memory window 1 start-address low-byte
818
18
Memory window 1 start-address high-byte
819
19
Memory window 1 end-address low-byte
81A
1A
Memory window 1 end-address high-byte
81B
1B
Memory window 1 offset-address low-byte
81C
1C
Memory window 1 offset-address high-byte
81D
1D
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