SMCXXXAF Datasheet, PDF (43/82 Pages) Numonyx B.V – 32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash™ card

SMCxxxAF
Software interface
7.5
True IDE mode addressing
When the card is configured in the True IDE mode, the I/O decoding is as shown in Table 39.
Table 39.
–CE2
1
1
1
1
1
1
1
1
0
0
True IDE mode I/O decoding
–CE1 A2 A1 A0
–IORD=0
0
000
Data register
0
001
Error register
0
010
Sector Count register
0
011
Sector Number register
0
100
Cylinder Low register
0
101
Cylinder High register
0
110
Select Card/Head register
0
111
Status register
1
110
1
111
Alternate Status register
Drive Address
–IOWR=0
Data register
Feature register
Sector Count register
Sector Number register
Cylinder Low register
Cylinder High register
Select Card/Head register
Command register
Device Control register
Reserved
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