Table 5−1. ExCA Registers and Offsets
PCI MEMORY ADDRESS EXCA OFFSET EXCA OFFSET
EXCA REGISTER NAME
OFFSET (HEX)
(CARD A)
(CARD B)
Identification and revision ‡
800
00
40
Interface status
801
01
41
Power control †
802†
803†
804†
805†
806
02
42
Interrupt and general control †
03
43
Card status change †
04
44
Card status change interrupt configuration †
Address window enable
05
45
06
46
I / O window control
807
07
47
I / O window 0 start-address low-byte
I / O window 0 start-address high-byte
I / O window 0 end-address low-byte
I / O window 0 end-address high-byte
I / O window 1 start-address low-byte
I / O window 1 start-address high-byte
I / O window 1 end-address low-byte
I / O window 1 end-address high-byte
Memory window 0 start-address low-byte
Memory window 0 start-address high-byte
Memory window 0 end-address low-byte
Memory window 0 end-address high-byte
Memory window 0 offset-address low-byte
Memory window 0 offset-address high-byte
Card detect and general control †
Reserved
808
08
48
809
09
49
80A
80B
80C
80D
80E
80F
0A
0B
0C
0D
0E
0F
10
4A
4B
4C
4D
4E
4F
50
810
811
11
51
812
12
52
813
13
53
814
14
54
815
15
55
816
16
56
817
17
57
Memory window 1 start-address low-byte
Memory window 1 start-address high-byte
Memory window 1 end-address low-byte
Memory window 1 end-address high-byte
Memory window 1 offset-address low-byte
Memory window 1 offset-address high-byte
Global control ‡
818
18
58
819
19
59
81A
81B
81C
81D
81E
81F
1A
1B
1C
1D
1E
1F
20
5A
5B
5C
5D
5E
5F
60
Reserved
Memory window 2 start-address low-byte
Memory window 2 start-address high-byte
Memory window 2 end-address low-byte
Memory window 2 end-address high-byte
Memory window 2 offset-address low-byte
Memory window 2 offset-address high-byte
820
821
21
61
822
22
62
823
23
63
824
24
64
825
25
65
†
One or more bits in this register are cleared only by the assertion of GRST when PME is enabled. If PME is not enabled, then this bit is cleared
by the assertion of PRST or GRST.
One or more bits in this register are cleared only by the assertion of GRST.
‡
5−3
TI [ TEXAS INSTRUMENTS ]
