
HCD-ZT4
57
Pin No.
Pin Name
I/O
Description
61
ST-TUNED
O
Tuned detection input from the tuner (FM/AM)
62
VCC
-
Power supply terminal (+3.3V)
63
ST-CE
O
PLL chip enable signal output to the tuner (FM/AM)
64
VSS
-
Ground terminal
65
ST-DIN
O
PLL serial data output to the tuner (FM/AM)
66
ST-CLK
O
PLL serial data transfer clock signal output to the tuner (FM/AM)
67
ST-DOUT
I
PLL serial data input from the tuner (FM/AM)
68
POWER ILLUMINATOR
I
Spectrum analyzer drive signal input from the electrical volume
69
NO USE
-
Not used
70
USB-BLUE LED
O
LED drive signal output terminal for the USB indicator "H": LED on
71
MIC/HP DET
I
Headphone/microphone connection detection signal input terminal (A/D input)
72
STBY LED
O
LED drive signal output terminal for STANDBY indicator "H":
LED on
73
LED CTRL
O
Dynamic LED drive select signal output terminal
74
POWER/DISPLAY-KEY
I
POWER & DISPLAY key press detection signal input terminal (Interrupt input)
75
ST-RDS-INT
I
RDS data transfer clock signal input terminal Not used
76
ST-RDS-DATA
I
RDS data input terminal Not used
77 to 79
LED-VOL5. 6 to
LED-VOL1. 2
O
Dynamic LED drive signal output to the motor drive "H": LED on
80
METER LED
O
Dynamic LED drive signal output to the motor drive "H": LED on
81
METER SW
I
Meter position detection signal input terminal (A/D input)
82
TC TAPE-STATE
I
Tape playback/recording/stop status detection signal input terminal (A/D input)
83
OVERVOLTAGE
I
Over-voltage protection detection signal input terminal "L": over-voltage detected
84
METER-IN2
O
Meter motor drive signal output to the motor drive
85
FL-DRIVER-CLK
O
Serial data transfer clock signal output to the
fl
uorescent indicator tube driver
86
FL-DRIVER-DATA
O
Serial data output to the
fl
uorescent indicator tube driver
87
FL-DRIVER-CS
O
Chip select signal output to the
fl
uorescent indicator tube driver
88
FL-DRIVER-RESET
O
Reset signal output to the
fl
uorescent indicator tube driver
89
VACS IN
I
VACS level detection signal input terminal (A/D input)
90
OPERATION DIAL
I
Jog dial pulse input from the OPERATION DIAL encoder (A/D input)
91
MASTER VOL
I
Jog dial pulse input from the MASTER VOLUME encoder (A/D input)
92
MODEL-IN
I
Model setting terminal (A/D input)
93
DEST-IN
I
Destination setting terminal (A/D input)
94, 95
AD-KEY-2, AD-KEY-1
I
Key input terminal (A/D input)
96
AVSS
I
Ground terminal (for A/D conversion)
97
AD-KEY-0
I
Key input terminal (A/D input)
98
VREF
I
A/D Converter reference voltage input terminal (+3.3V)
99
AVCC
-
Power supply terminal (+3.3V) (for A/D conversion)
100
METER-IN1
O
Meter motor drive signal output to the motor drive