6
ICF-C1200
Pin No. Pin name I/O Description
1-4 COM1-4 O LCD common output.
5-26 S1-S22 O LCD segment output.
27 HOLD SW I HOLD switch input. ON:L OFF:H
28-30 KR1-3 I Key return input.
31 VDD — Power supply terminal.
32-34 KR1-3 O Key souce output.
35 POWER O Power ON control signal output. ON:L OFF:H
36 BEEP O Beep signal output.
37 MUTE O Mute signal output.
38 WAKE UP O Alarm output at volume control min. ON:L OFF:H
39 LCD I LCD check test mode setting input.
40 BAND O Band select signal output. AM:H FM:L
41 TEST — Not used (Fixed at "L").
42 HOLD — Not used (Fixed at "L").
43 INTR1 I 1.9V voltage detection terminal. Radio OFF :L
44 INTR2 I 1.1V voltage detection terminal. All OFF :L
45 — Not used (OPEN).
46 — Not used (OPEN).
47 GND — Ground terminal.
48 FM IN I FM local oscillator signal input.
49 AM IN I AM local oscillator signal input.
50 VDD — Power supply terminal.
51 D01 — Not used (OPEN).
52 D02 O Tuning voltage control output.
53 VREG — Regulator output for phase compalator.
54 — Not used (OPEN).
55 AL SW1 I ALARM switch input (OFF).
56 AL SW2 I ALARM switch input (RADIO).
57 AL SW3 I ALARM switch input (BUZZER).
58 VDET I 2.1V voltage detection input.
59 ID I Destination select input.
60 ID I Destination select input.
61 — Not used (OPEN).
62 SP BEEP O Beep signal output.
63 LIGHT O LCD back light ON/OFF output.
64 ST/MO O Stereo/Mono select output.
65-69 — Not used (OPEN).
70 RESET I Reset signal input.
71 XOUT O Oscillator output (75kHz).
72 XIN I Oscillator input (75kHz).
73 GND — Ground terminal.
74 VDB — Capacitor terminal.
75 C1 — Capacitor terminal.
76 C2 — Capacitor terminal.
77 VEE — Voltage pull-up terminal.
78 C3 — Capacitor terminal.
79 C4 — Capacitor terminal.
80 VLCD — Voltage pull-up terminal.
SECTION 4
DIAGRAMS
4-1. EXPLANATION OF IC TERMINALS
• IC301 TC9328AF-SR7491
(System control, LCD driver)
