CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
38
Pin No.
Pin Name
I/O
Description
55
EXTATT_XEN
O
External mute control signal output
“L”: CD or USB source is selected, “H”: Other source is selected
56
TELATT
I
Telephone attenuator detect signal input (Fixed at L in this set)
57
ACC_IN
I
Accessory power supply detect signal input
58
ATT
O
Audio mute control signal output
59
DIAG
I
Condition signal input from power amp IC
60
AMPSTB
O
Standby signal output for power regulator IC
61
CYRIL_SEL
I
Cyril correspondance discrimination signal input (L: No correspondance) (Fixed at L in this
set)
62
VCC2
―
Power supply terminal (+3.3 V)
63
F_AUX_ATT
O
Not used. (Open)
64
VSS
―
Ground terminal
65
ILLUMI SEL
I
Key illumination voltage setting signal input Not used. (Open)
66
COLSW SEL
I
Key illumination color change function signal input Not used. (Open)
67
BT_MUTE
O
Not used. (Open)
68
B-OUT SEL
I
Black out function setting signal input (L: without black out function) Not used. (Open)
69
AREASEL3
I
Destination setting pin 3 Not used. (Open)
70
AREASEL2
I
Destination setting pin 2 Not used. (Open)
71
AREASEL1
I
Destination setting pin 1 Not used. (Open)
72
AREASEL0
I
Destination setting pin 0 Not used. (Open)
73
MODELNAME_SEL0
O
Not used. (Open)
74
MODELNAME_SEL1
O
Not used. (Open)
75
MODELNAME_SEL2
O
Not used. (Open)
76
MODELNAME_SEL3
O
Not used. (Open)
77
BT_TX
O
Not used. (Open)
78
BT_RX
O
Not used. (Open)
79, 80
DEBUG_1, DEBUG_2
O
Not used. (Open)
81
RE-IN1
I
Rotary encoder signal input 1
82
RE-IN0
I
Rotary encoder signal input 0
83
ILL_IN
O
Not used. (Open)
84
BT_RTS
O
Not used. (Open)
85
BT_CTS
O
Not used. (Open)
86
BT_RESET
O
Not used. (Open)
87
BT_POWER
O
Not used. (Open)
88
BT_MIC_DET
O
Not used. (Open)
89
SA_DATA
I
Mechnism serial data input
90
SA_CLK
O
Mechnism serial clock output
91
KEYACK0
I
Key acknowledge detect signal input (Rotary commander)
92
KEYACK1
I
Key acknowledge detect signal input (Front panel)
93
BT_MIC_ON
O
Not used. (Open)
94
KEYIN1
I
Key signal input 1
95
KEYIN0
I
Key signal input 0
96
AVSS
―
Ground terminal for A/D converter
97
RC_IN0
I
Rotary commander key signal input
98
AVRH
―
A/D converter external reference power supply terminal (+3.3 V)
99
AVDD
―
A/D converter power supply terminal (+3.3 V)
100
LCD_CE
O
Chip enable signal output for LCD driver
