— 88 —
Pin No.
Pin Name
I/O Function
• IC701 MASTER CONTROL (uPD780018YGF-013-3BA)
Not used
1 TA-MUTE O Line mute signal output
2 DBFB-H/L O DBFB H/L select signal output
3 427-LT O Latch signal output for IC201 (62427)
4 KCON-LT O
5
KCON-ON
O
6 F-RELAY O Front speaker relay control output (Not used)
7 R-RELAY O Rear speaker relay control output
8 PL-RELAY O Not used
9 TEST I Connected to ground
10 X2 O
X’tal (5MHz)
11 X1 I
12 VDD – Power supply (+5V)
13 XT2 O
X’tal (32.768 KHz)
14 XT1 I
15 RESET I Reset signal input
16 INT/IN I
Connected to ground
17 INT/IN/OUT I
18 SCOR O Subcode data request signal output
19 SOFT-TEST O Software test port
20 AC-CUT I Back up signal input
21 RDS-INT I RDS data interrupt input
22 RDS-DATA I RDS data interrupt input
23 VDD – Power supply (+5V)
24 AVDD I Analog reference voltage input.
25 ADJ I CD adjust point port Normal “H”
26 A-SHUT I A Deck reel pulse detector
27 B-SHUT I B Deck reel pulse detector
28 B-HALF I Half detector signal input
29 CLK-CHECK I Connected to ground
30 SPEC-IN I Version select signal input
31 ADJ 2 I Connected to ground
32
DEMO-CHANGE
I DEMO H/L select signal input (Fixed at fixed at “L”)
33 AVSS – Ground
34 SQ-DATA-IN I Subcode Q data clock input
35 — – Not used
36 SQ-CLK I Sub code Q data clock input
37 SW-ON/OFF O Not used
38, 39 FUNC 1, 2 I Connected to ground
40 VSS – Ground
41 VOL-LAT O Latch signal to erectrial volume (IC604)
42 PL-LAT O Latch signal to pro-logic (IC601, 602)
43 COM-DIN I Connected to ground
44 COM-DOUT O Common serial data output
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