True Ide Mode Addressing - SanDisk CompactFlash Product Manual

CompactFlash Memory Card Product Manual
5.4

True IDE Mode Addressing

When the CompactFlash
configured in the True IDE Mode the I/O decoding
is as follows:
Table 5-5 True IDE Mode I/O Decoding
-CE2 -CE1
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
0 1
0 1
50
Memory Card is
A2 A1 A0 -IORD=0
0 0 0 Even RD Data
0 0 1 Error Register
0 1 0 Sector Count
0 1 1 Sector No.
1 0 0 Cylinder Low
1 0 1 Cylinder High
1 1 0 Select Card/Head
1 1 1 Status
1 1 0 Alt Status
1 1 1 Drive Address
SanDisk CompactFlash Memory Card Product Manual © 1998 SANDISK CORPORATION
-IOWR=0 Note
Even WR Data
Features
Sector Count
Sector No.
Cylinder Low
Cylinder High
Select Card/Head
Command
Device Control
Reserved