Figure 5. I/O Pins And Supported Ata Signals - Seagate ST310014ACE Product Manual

ST310014ACE Product Manual, Rev. D
Drive pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pins 28, 34 and 39 are used for master-slave communication (details shown below).
Drive 1 (slave)
28
34
39

Figure 5. I/O pins and supported ATA signals

Signal name
Reset –
Ground
DD7
DD8
DD6
DD9
DD5
DD10
DD4
DD11
DD3
DD12
DD2
DD13
DD1
DD14
DD0
DD15
Ground
(removed)
DMARQ
Ground
DIOW–
STOP
Ground
DIOR –
HDMARDY –
HSTROBE
Ground
IORDY
DDMARDY–
DSTROBE
CSEL
DMACK –
Ground
INTRQ
IOCS16 –
DA1
PDIAG –
CBLID–
DA0
DA2
CS0 –
CS1 –
DASP –
Ground
Drive 0 (master)
28
34
39
Host pin # and signal description
1 Hardware Reset
2 Ground
3 Host Data Bus Bit 7
4 Host Data Bus Bit 8
5 Host Data Bus Bit 6
6 Host Data Bus Bit 9
7 Host Data Bus Bit 5
8 Host Data Bus Bit 10
9 Host Data Bus Bit 4
10 Host Data Bus Bit 11
11 Host Data Bus Bit 3
12 Host Data Bus Bit 12
13 Host Data Bus Bit 2
14 Host Data Bus Bit 13
15 Host Data Bus Bit 1
16 Host Data Bus Bit 14
17 Host Data Bus Bit 0
18 Device Data (15:0)
19 Ground
(No Pin)
20
21 DMA Request
22 Ground
23 Device I/O Write:
Stop Ultra DMA Burst
24 Ground
25 Device I/O Read:
Host Ultra DMA Ready:
Host Ultra DMA Data Strobe
26 Ground
27 I/O Channel Ready
Device Ultra DMA Ready
Device Ulta DMA Data Strobe
28 Cable Select
29 DMA Acknowledge
30 Ground
31 Device Interrupt
32 Reserved
33 Host Address Bus Bit 1
34 Passed Diagnostics
Cable Assembly Type Identifier
35 Device Address (2:0)
36 Device Address (2:0)
37 Chip Select (1:0)
38 Chip Select (1:0)
39 Drive Active/Slave Present
40 Ground
CSEL
PDIAG –
DASP–
Host
28
34
39
21