SECTION 4
DIAGRAMS
4-1. IC PIN FUNCTION DESCRIPTION
MAIN BOARD IC201
µ
PD78013FGC-544-AB8 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Function
1
DESTINATION
I
2
DESTINATION
I
Destination selection input.
3
DESTINATION
I
4
DESTINATION
I
5
IF +50
I
Not used. (Ground)
6
IF –50
O
7
BACK UP
I
Back up mode input.
8
NC
–
Not used. (open)
9
Vss
–
Ground
10
POWER
O
Power ON/OFF switch control.
11
MUTE
O
Mute output.
12
ANALOG-BUS
–
13
NC
–
14
NC
–
Not used. (open)
15
AM MONO
–
16
AM/FM
–
17
IFNG
–
18
STEREO
I
Stereo signal input.
19
SIGNAL
I
Tuned signal input.
20
DATA IN
I
Data input. (IC51)
21
DATA OUT
O
Data output. (IC51)
22
CLOCK
O
Clock output. (IC51)
23
CE
O
Chip enable output. (IC51)
24
Vss
–
Ground
25
NC
–
Not used. (open)
26
NC
–
27
ONCE
O
LED drive output (Not used)
28
DAILY
O
29
REC
O
30
SLEEP
O
LED drive output.
31
ENCODER
O
32
NEXT
O
33
ENCODER IN B
I
Encoder input. (B)
34
AU BUS OUT
O
Audio bus output.
35
RESET
I
System reset input.
36
AU BUS IN
I
Audio bus input.
37
ENCODER IN A
I
Encoder input. (A)
38
RDS-CLOCK
I
RDS clock input.
39
RDS-DATA
I
RDS data input.
40
V
DD
–
Power supply 5V.
– 9 –
Summary of Contents for CDP-EX770
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