Samsung WA31273A Technical Manual page 51

Table 6-2 lists the signal name mnemonic, connector pin number, whether input to (I) or
output from (O) the drive, and the full signal name.
Table 6-2.
Signal
CS1FX-
CS3FX-
DA0
DA1
DA2
DASP-
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
DD8
DD9
DD10
DD11
DD12
DD13
DD14
DD15
DIOR-
DIOW-
WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 6-7
Interface Signals Description
Pin DIR
37 I
38 I
35 I
33 I
36 I
39 I/O
17 I/O
15 I/O
13 I/O
11 I/O
9 I/O
7 I/O
5 I/O
3 I/O
4 I/O
6 I/O
8 I/O
10 I/O
12 I/O
14 I/O
16 I/O
18 I/O
25 I
23 I
AT INTERFACE and ATA COMMANDS
Description
Drive chip Select 0
Drive chip Select 1
Drive Address Bus - Bit 0
- Bit 1
- Bit 2
Drive Active/Slave Present
Drive Data Bus - Bit 0
- Bit 1
- Bit 2
- Bit 3
- Bit 4
- Bit 5
- Bit 6
- Bit 7
- Bit 8
- Bit 9
- Bit 10
- Bit 11
- Bit 12
- Bit 13
- Bit 14
- Bit 15
Drive I/O Read
Drive I/O Write