Pioneer DEX-P1R Service Manual page 102

DEX-P1R,DEH-P946,DEX-P1
- Pin Functions (PD6191A)
Pin No. Pin Name
1-8 OPEN
oe
9
romen
10
11 ADD17
12 AVCC
13 AVR
14 AVSS
irsel
15
16 RCK
17 RDT
18 OPEN
rdslk
19
irrst
20
21 MOD0
22 MOD1
23 XIN
24 XOUT
25 VSS
drst
26
27,28 OPEN
29 IRRDY
30-33 ADD16-13
34-41 ADD7-0
42-49 DT7-0
50 VSS
51 TEST
irsck
52
53 IRDO
54 IRDI
55,56 OPEN
57 VCC
58 SD
59 OPEN
60-64 ADD8-12
*PD6191A
20
32
102
I/O Format Function and Operation
Open
O ROM output control
O ROM enable
O ROM address
Analog power supply
5V power supply
Connect to GND
I Select input
I RDS demodulation clock input
I RDS demodulation data input
Open
I RDS LK signal input
I Reset input
I Connect to GND
I Connect to GND
I Crystal oscillating element connection pin
O Crystal oscillating element connection pin
GND
O C Reset output
Open
O C Communication ready output
O ROM address
O ROM address
I ROM data input
GND
I Test terminal
Communication clock input
O C Communication data output
I Communication data input
Open
5V
I SD signal input
Open
O ROM address
64
PD8034A
16 15 14 13 12
52
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Format
C
11 10 9 8 7 6
A0-A18 : Address input
D0-D7 : Data output
CE : Chip enable
OE : Output enable
VCC : Power supply
VSS : Ground
NC : No connection
Meaning
C MOS
5 4 3 2 1