Pioneer PDP-R04E, Service Manual

Page: 220 / 233

PDP-R04E
169
5 6 7 8
5 6
7
8
C
D
F
A
B
E
No. Pin Name I/O
Pin Function
No. Pin Name I/O
Pin Function
1 VDD
−
Power supply 28 VSS
−
Ground
2 DQ0 I/O Data input/output 29 A4 I Address input
3 VDDQ
−
Power supply for output buffer 30 A5 I Address input
4 DQ1 I/O Data input/output 31 A6 I Address input
5 DQ2 I/O Data input/output 32 A7 I Address input
6 VSSQ
−
Ground for output buffer
33 A8 I
Address input
7 DQ3 I/O Data input/output 34 A9 I Address input
8 DQ4 I/O Data input/output 35 A11 I Address input
9 VDDQ
−
Power supply for output buffer 36 NC
−
No connection
10 DQ5 I/O Data input/output 37 CKE I Clock enable
11 DQ6 I/O Data input/output 38 CLK I
Clock input
12 VSSQ
−
Ground for output buffer 39 UDQM I/O Data input/output mask
13 DQ7 I/O Data input/output 40 NC
−
No connection
14 VDD
−
Power supply 41 VSS
−
Ground
15 LDQM I/O Data input/output mask 42 DQ8 I/O Data input/output
16 /WE I Write enable 43 VDDQ
−
Power supply for output buffer
17 /CAS I Column address strobe 44 DQ9 I/O Data input/output
18 /RAS I Row address strobe 45 DQ10 I/O Data input/output
19 /CS I Chip select 46 VSSQ
−
Ground for output buffer
20 BA0 I Bank address input 47 DQ11 I/O Data input/output
21 BA1 I Bank address input 48 DQ12 I/O Data input/output
22 A10/AP I Address input 49 VDDQ
−
Power supply for output buffer
23 A0 I Address input 50 DQ13 I/O Data input/output
24 A1 I Address input 51 DQ14 I/O Data input/output
25 A2 I Address input 52 VSSQ
−
Ground for output buffer
26 A3 I Address input 53 DQ15 I/O Data input/output
27 VDD
−
Power supply 54 VSS
−
Ground
Pin Function