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• IC701 MASTER CONTROL (uPD780018YGF-028-3BA)
Pin Name
Pin No.
1
TA-MUTE
2
DBFB-H/L
3
427-LT
4
KCON-LT
5
KCON-ON
6
F-RELAY
7
R-RELAY
8
PL-RELAY
9
TEST
10
X2
11
X1
12
VDD
13
XT2
14
XT1
15
RESET
16
INT/IN
17
INT/IN/OUT
18
SCOR
19
SOFT-TEST
20
AC-CUT
21
RDS-INT
22
RDS-DATA
23
VDD
24
AVDD
25
ADJ
26
A-SHUT
27
B-SHUT
28
B-HALF
29
CLK-CHECK
30
SPEC-IN
31
ADJ 2
32
DEMO-CHANGE
33
AVSS
34
SQ-DATA-IN
35
—
36
SQ-CLK
37
SW-ON/OFF
38, 39
FUNC 1, 2
40
VSS
41
VOL-LAT
42
PL-LAT
43
COM-DIN
44
COM-DOUT
45
COM-CLK
46
CD-POWER
47
CD-DATA
48
CD-CLK
49
MSM-CMD
50
MSM-BUSY
I/O
O
Line mute signal output
O
DBFB H/L select signal output
O
Latch signal output for IC201 (62427)
O
Latch signal output for key control
O
Key control ON/OFF signal output
O
Front speaker relay control output (Not used)
O
Rear speaker relay control output
O
Not used
I
Connected to ground
O
X'tal (5MHz)
I
–
Power supply (+5V)
O
X'tal (32.768 KHz)
I
I
Reset signal input
I
Connected to ground
I
O
Subcode data request signal output
O
Software test port
I
Back up signal input
I
RDS data interrupt input (Connected to ground)
I
RDS data interrupt input (Not used)
–
Power supply (+5V)
I
Analog reference voltage input.
I
CD adjust point port Normal "H"
I
A Deck reel pulse detector
I
B Deck reel pulse detector
I
Half detector signal input
I
Connected to ground
I
Version select signal input
I
Connected to ground
I
DEMO H/L select signal input (Connected to ground)
–
Ground
I
Subcode Q data clock input
I
Not used
I
Sub code Q data clock input
O
Not used
I
Connected to ground
–
Ground
O
Latch signal to erectrial volume (IC604)
O
Latch signal to pro-logic (IC601, 602)
I
Connected to ground
O
Common serial data output
O
Common serial clock output
O
CD power on signal output
O
CD data output
O
CD clock output
O
Not used
I
Connected to ground
– 88 –
Function
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