Pioneer DEH-P940MP Service Manual page 95

5
*PD5758A
1
25
- Pin Functions (PD3430A)
Pin No. Pin Name
1-4 DB12-15
5 IR
6 CS1
7 CS0B
8 WRB
9 RDB
10 BCLK
11 RDYB
12 CSOUT
13 VCC3
14 GND
15 VCC5
16 GND
17 CKD
18 UCKA
19 LS
20,21 UADL0,1
22,23 UADR0,1
24 PVCCK
25 UCD
26 VCC3
27 GND
28 LCD
29 LCKA
30,31 LADL0,1
32,33 LADR0,1
34 SEGCKA
35,36 SEGAD0,1
37 VCC5
38 GND
39 VCC3
40 GND
41,42 PVCSEL0,1
43 TESTRAM
44,45 TESTSEL0,1
46,47 PNLSEL0,1
48 T
49 W
50 RB
51-56 DB0-5
57 GND
58 VCC3
59-64 DB6-11
5
6
75
51
I/O Function and Operation
I/O Data bus input / output
I Instruction register selection input
I Chip select 1 input
I Chip select 0 input
I Write strove input
I Read strove input
I Bus clock input
O Ready signal output
O Outside chip select output
3.3V power supply
GND
5V power supply
GND
O Serial data clock output
O The anode drive clock output
O Synchronizing line signal output pin
O Anode serial data output
O Anode serial data output
O Not used
O Cathode serial data output
3.3V power supply
GND
O Not used
O Not used
O Not used
O Not used
O Not used
O Not used
5V power supply
GND
3.3V power supply
GND
Not used
Not used
Not used
Not used
Test pin
Test pin
I Reset input
I/O Data bus input / output
GND
3.3V power supply
I/O Data bus input / output
DEH-P940MP/UC
6
7
*PD3430A
32
17
7
8
49
A
64
B
C
D
95
8