Pioneer PDP-R04E Service Manual page 167

5
Pin Function
No. Pin Name I/O
1 A15 I
2 A14 I
3 A13 I
4 A12 I
5 A11 I
6 A10 I
7 A9 I
8 A8 I
9 A19 I
−
10 N.C.
11 WE I
12 RESET I
−
13 N.C.
−
14 N.C.
15 RY/BY O
16 A18 I
17 A17 I
18 A7 I
19 A6 I
20 A5 I
21 A4 I
22 A3 I
23 A2 I
24 A1 I
25 A0 I
26 CE I
−
27 VSS
28 OE I
29 DQ0 I/O
30 DQ8 I/O
31 DQ1 I/O
32 DQ9 I/O
33 DQ2 I/O
34 DQ10 I/O
35 DQ3 I/O
36 DQ11 I/O
−
37 VCC
38 DQ4 I/O
39 DQ12 I/O
40 DQ5 I/O
41 DQ13 I/O
42 DQ6 I/O
43 DQ14 I/O
44 DQ7 I/O
45 DQ15/A-1 I/O
−
46 VSS
47 BYTE I
48 A16 I
5
6
Address input
Address input
Address input
Address input
Address input
Address input
Address input
Address input
Address input
Pin not connected internally
Write enable
Hardware reset pin / Temporary sector unprotection
Pin not connected internally
Pin not connected internally
Ready/Busy output
Address input
Address input
Address input
Address input
Address input
Address input
Address input
Address input
Address input
Address input
Chip enable
Ground
Output enable
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Power supply
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Ground
Selects 8-bit or 16-bit mode
Address input
6
7
Pin Function
PDP-R04E
7
8
A
B
C
D
E
F
167
8