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5−3
Table 5−1. ExCA Registers and Offsets
EXCA REGISTER NAME
PCI MEMORY ADDRESS
OFFSET (HEX)
EXCA OFFSET
(CARD A)
EXCA OFFSET
(CARD B)
Identification and revision ‡ 800 00 40
Interface status 801 01 41
Power control † 802† 02 42
Interrupt and general control † 803† 03 43
Card status change † 804† 04 44
Card status change interrupt configuration † 805† 05 45
Address window enable 806 06 46
I / O window control 807 07 47
I / O window 0 start-address low-byte 808 08 48
I / O window 0 start-address high-byte 809 09 49
I / O window 0 end-address low-byte 80A 0A 4A
I / O window 0 end-address high-byte 80B 0B 4B
I / O window 1 start-address low-byte 80C 0C 4C
I / O window 1 start-address high-byte 80D 0D 4D
I / O window 1 end-address low-byte 80E 0E 4E
I / O window 1 end-address high-byte 80F 0F 4F
Memory window 0 start-address low-byte 810 10 50
Memory window 0 start-address high-byte 811 11 51
Memory window 0 end-address low-byte 812 12 52
Memory window 0 end-address high-byte 813 13 53
Memory window 0 offset-address low-byte 814 14 54
Memory window 0 offset-address high-byte 815 15 55
Card detect and general control † 816 16 56
Reserved 817 17 57
Memory window 1 start-address low-byte 818 18 58
Memory window 1 start-address high-byte 819 19 59
Memory window 1 end-address low-byte 81A 1A 5A
Memory window 1 end-address high-byte 81B 1B 5B
Memory window 1 offset-address low-byte 81C 1C 5C
Memory window 1 offset-address high-byte 81D 1D 5D
Global control ‡ 81E 1E 5E
Reserved 81F 1F 5F
Memory window 2 start-address low-byte 820 20 60
Memory window 2 start-address high-byte 821 21 61
Memory window 2 end-address low-byte 822 22 62
Memory window 2 end-address high-byte 823 23 63
Memory window 2 offset-address low-byte 824 24 64
Memory window 2 offset-address high-byte 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
.