Format of ExCa memory-mapped registers |
Offset | Size | Description |
---|---|---|
00h |
BYTE |
identification and revision register |
01h |
BYTE |
interface status register |
02h |
BYTE |
power control register |
03h |
BYTE |
interrupt and general control |
04h |
BYTE |
card status change |
05h |
BYTE |
card status change interrupt configuration |
06h |
BYTE |
address window enable |
07h |
BYTE |
I/O window control register |
08h |
WORD |
I/O window 0 start address |
0Ah |
WORD |
I/O window 0 end address |
0Ch |
WORD |
I/O window 1 start address |
0Eh |
WORD |
I/O window 1 end address |
10h |
WORD |
memory window 0 start address |
12h |
WORD |
memory window 0 end address |
14h |
WORD |
memory window 0 offset address |
16h |
2 BYTEs |
user-defined |
18h |
WORD |
memory window 1 start address |
1Ah |
WORD |
memory window 1 end address |
1Ch |
WORD |
memory window 1 offset address |
1Eh |
BYTE |
user-defined |
1Fh |
BYTE |
reserved |
20h |
WORD |
memory window 2 start address |
22h |
WORD |
memory window 2 end address |
24h |
WORD |
memory window 2 offset address |
26h |
2 BYTEs |
user-defined |
28h |
WORD |
memory window 3 start address |
2Ah |
WORD |
memory window 3 end address |
2Ch |
WORD |
memory window 3 offset address |
2Eh |
2 BYTEs |
user-defined |
30h |
WORD |
memory window 4 start address |
32h |
WORD |
memory window 4 end address |
34h |
WORD |
memory window 4 offset address |
36h |
10 BYTEs |
user-defined |
---optional--- |
||
40h |
BYTE |
memory window 0 start address high byte |
41h |
BYTE |
memory window 1 start address high byte |
42h |
BYTE |
memory window 2 start address high byte |
43h |
BYTE |
memory window 3 start address high byte |
44h |
BYTE |
memory window 4 start address high byte |
45h - 7FFh |
1979 BYTEs |
user-defined |
See Also: |