HCD-GTZ4/GTZ4i/GTZ5
42
Pin No.
Pin Name
I/O
Description
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
MTK-OC1
I
USB over current detection signal input terminal
69
LED CTRL
O
Power control selection signal output terminal for the front panel section LED
70
USB-BLUE LED
O
LED drive signal output terminal for the USB B indicator “H”: LED on
71
POWER
ILLUMINATOR
I
Spectrum analyzer drive signal input from the electrical volume (A/D input)
72
STBY LED
O
LED drive signal output terminal for the STANDBY indicator “H”: LED on
73
MTK-OC2
I
USB over current detection signal input terminal
74
POWER/
DISPLAY-KEY
I
POWER & DISPLAY keys press detection signal input terminal (Interrupt input)
75
ST-RDS-INT
I
RDS data transfer clock signal input the tuner (FM/AM) (GTZ4i: AEP model)
76
ST-RDS-DATA
I
RDS data input from the tuner (FM/AM) (GTZ4i: AEP model)
77 to 79
LED-VOL5. 6 to
LED-VOL1. 2
O
LED drive signal output terminal for the illumination (stream) indicator “H”: LED on
80
METER LED
O
Not used
81
METER SW
I
Meter position detection signal input from the meter display block (A/D input)
82
MTK POWER
MINITOR
I
Power monitor signal input terminal (A/D input)
83
OVERVOLTAGE
I
Over-voltage protection detection signal input terminal “L”: over-voltage detected
(GTZ4: 120V AC area in E, Chilean and Peruvian models/ GTZ5: 120V AC area in E, Chil-
ean and Peruvian models)
84
METER IN2
O
Meter motor drive signal output to the meter display block
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
Not used
89
VACS IN
I
VACS level detection signal input from the electrical volume (A/D input)
90
OPERATION DIAL
I
Jog dial pulse input from the rotary encoder (for OPERATION DIAL) (A/D input)
91
MASTER VOL
I
Jog dial pulse input from the rotary encoder (for MASTER VOLUME) (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-KEY2, AD-KEY1
I
Key input terminal (A/D input)
96
AVSS
I
Ground terminal (for A/D conversion)
97
AD-KEY0
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 meter display block
