5-4-7. ATAPI Interface Circuit Diagram
Fig. 5-5-11
Q
R
T
N
I
T
A
2
A
D
T
A
0
A
D
T
A
1
A
D
T
A
-
0
S
C
T
A
Y
D
R
O
I
T
A
-
1
S
C
T
A
-
1
S
C
C
T
A
Q
R
T
N
I
C
T
A
1
A
D
C
T
A
-
K
C
A
M
D
C
T
A
2
A
D
C
T
A
0
A
D
C
T
A
-
T
S
R
V
R
D
4
1
D
D
C
T
A
-
T
S
R
V
R
D
Y
D
R
O
I
T
A
-
K
C
A
M
D
T
A
-
K
C
A
M
D
T
A
1
1
D
D
C
T
A
2
1
D
D
C
T
A
3
1
D
D
C
T
A
5
1
D
D
C
T
A
Q
R
A
M
D
C
T
A
Q
R
A
M
D
T
A
Y
D
R
O
I
C
T
A
-
R
O
I
D
C
T
A
-
R
O
I
T
A
-
W
O
I
T
A
-
W
O
I
D
C
T
A
Q
R
A
M
D
C
T
A
-
W
O
I
D
C
T
A
-
R
O
I
D
C
T
A
Y
D
R
O
I
C
T
A
-
K
C
A
M
D
C
T
A
Q
R
T
N
I
C
T
A
1
A
D
C
T
A
0
A
D
C
T
A
1
D
D
T
A
7
D
D
T
A
5
D
D
C
T
A
1
D
D
C
T
A
4
1
D
D
T
A
6
D
D
T
A
5
D
D
T
A
1
1
D
D
C
T
A
9
D
D
C
T
A
1
1
D
D
T
A
0
D
D
T
A
2
1
D
D
T
A
8
D
D
C
T
A
2
D
D
T
A
0
1
D
D
C
T
A
3
1
D
D
T
A
6
D
D
C
T
A
9
D
D
T
A
7
D
D
C
T
A
3
D
D
T
A
0
1
D
D
T
A
2
D
D
C
T
A
8
D
D
T
A
2
1
D
D
C
T
A
4
D
D
C
T
A
4
1
D
D
C
T
A
3
D
D
C
T
A
4
D
D
T
A
9
D
D
C
T
A
3
1
D
D
C
T
A
5
1
D
D
C
T
A
0
1
D
D
C
T
A
8
D
D
C
T
A
5
1
D
D
T
A
0
D
D
C
T
A
4
D
D
C
T
A
7
D
D
C
T
A
3
D
D
C
T
A
-
0
S
C
C
T
A
2
D
D
C
T
A
6
D
D
C
T
A
1
D
D
C
T
A
5
D
D
C
T
A
0
D
D
C
T
A
D5V
D5V
TP47
TP58
TP66
R7
22R
TP52
CN504
HEADER 20X2
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
RP19
22RX4
1
2
3
4
5
6
7
8
R56
22R
TP59
R58
22R
TP48
TP60
R78
0R
TP71
TP44
TP61
TP43
RP1
22RX4
1
2
3
4
5
6
7
8
TP49
TP62
RP6
22RX4
1
2
3
4
5
6
7
8
R88
1K
TP70
TP53
R2
1K
TP54
R11
5.6K
TP45
TP63
TP50
TP69
R4
1K
TP64
RP20
22RX4
1
2
3
4
5
6
7
8
TP55
TP56
RP5
22RX4
1
2
3
4
5
6
7
8
TP46
RP4
22RX4
1
2
3
4
5
6
7
8
TP67
TP68
TP65
TP57
TP51
ATCS0-
ATINTRQ
ATDA0
ATDA1
ATDMACK-
ATIOR-
ATIOW-
ATDMARQ
ATIORDY
ATCS1-
ATDA2
D5V
GND
DRVRST-
ATDD[0..15]