Manual

220 Series Commercial Grade CF Product Manual v2.0Cactus Technologies
®
24
Table 3-18. IDE Mode I/O Function
Function Code -CE2 -CE1 A0 -IORD -IOWR D15-D8 D7-D0
Invalid Mode
L L X X X High Z High Z
Standby Mode
H H X X X High Z High Z
Task File Write
H L 1-7h H L Do not care Data In
Task File Read
H L 1-7h L H High Z Data Out
Data Register Write
H L 0 H L
Odd-Byte
In
Even-Byte
In
Data Register Read
H L 0 L H
Odd-Byte
Out
Even-Byte
Out
Control Register
Write
L H 6h H L Do not care Control In
Alt Status Read
L H 6h L H High Z Status Out