SanDisk CompactFlash - True IDE Mode Addressing

CompactFlash Memory Card Product Manual
SanDisk CompactFlash Memory Card Product Manual © 1998 SANDISK CORPORATION50
5.4 True IDE Mode Addressing
When the CompactFlash Memory Card is
configured in the True IDE Mode the I/O decoding
is as follows:
Table 5-5 True IDE Mode I/O Decoding
-CE2 -CE1 A2 A1 A0 -IORD=0 -IOWR=0 Note
1 0 0 0 0 Even RD Data Even WR Data
1 0 0 0 1 Error Register Features
1 0 0 1 0 Sector Count Sector Count
1 0 0 1 1 Sector No. Sector No.
1 0 1 0 0 Cylinder Low Cylinder Low
1 0 1 0 1 Cylinder High Cylinder High
1 0 1 1 0 Select Card/Head Select Card/Head
1 0 1 1 1 Status Command
0 1 1 1 0 Alt Status Device Control
0 1 1 1 1 Drive Address Reserved