-20-
Pin No.
Pin Name
I/O
Description
44
FM OSC
I
FM local oscillation input.
45
AM OSC
I
AM local oscillation input.
46
GND PLL
–
Ground for PLL.
47
EO O
O
Error output from charge pump (for FM).
48
EO I
O
Error output from charge pump (for AM).
49
IC
–
Connected to pull-down resistor.
50
RESET
I
System reset input.
51
RDS CLK IN
I
RDS clock input. Pulled down when not used. (Not used)
52
ACC IN
I
ACC (accessory power supply) ON/OFF input.
53
RMT IN
I
Remote control input. Pulled up when not used. (Connected to GND)
54
ST-IND/SD IN
I
Stop pulse input during FM/AM seek.
55
NC
–
Not connected.
56
ST-BY MUTE
O
Standby/muting output to power amplifier.
57
POWER CONT
O
Unit power control output.
58
RDS DI
I
RDS data input. Pulled down when not used. (Not used)
59
BEEP
O
BEEP output. (3kHz, 50ms)
60, 61
NC
–
Not connected.
62
BAND CONT
O
AM/FM power switching output. AM: "H", FM: "L".
63
CD ACC CONT
O
Transmits the power ON/OFF status of head unit to changer. Open when not used.
64
RDS MODE
O
Outputs "H" during RDS AF operation. Open when not used. (Not used)
65
POWER MUTE
O
Muting output to power amplifier.
66
LCD CONT 2
O
LCD DRV power control 2. (Not used)
67
LCD CONT 1
O
LCD DRV power control 1.
68
AF MUTE
O
Audio muting output.
69, 70
NC
–
Not connected.
71 ~ 73
MI-1 ~ MI-3
I
Diode matrix input for initial setting.
74
MO-1
O
Diode matrix output for initial setting. (Not used)
75
MO-2
O
Diode matrix output for initial setting. (Open demo)
76
MO-3
O
Diode matrix output for initial setting.
77
MO-4
O
Diode matrix output for initial setting. (Not used)
78
AUX IN
–
Connected to pull-up resistor.
79
PACK IN
I
Tape insertion status detection input.
80
RE1 IN
I
Rotary encorder input 1.
81
RE2 IN
I
Rotary encorder input 2.
82
GND
–
Ground.
83
NC
–
Not connected.
84
PANCON1
–
Not used.
85
PANCON2
–
Not used.
86
STAND BY
I
Mechanism stand-by input.
87
REEL
I
Reel pulse input for tape mechanism.
88
MAIN M CONT
O
Main motor control output.
89
FLAP IN
–
Not used.
IC DESCRIPTION -1/2 (
µ
PD178078GF-565-3BA) -2/3