HCD-GPX555/GPX888
59
Pin No.
Pin Name
I/O
Description
54
SSI1_DO
O
Data Out signal from Aragon to Tw DAC
55
SSI1_DI
I
Data In Signal from ADC to Aragon
56
PCONT-BTSTBY
O
BT Standby Power Control Pin. “H”: ON
57
PCONT-PSAVE-PRO-
TECT
O
Main power on/off control signal output “H”:power on
58
Vcc
-
Power supply terminal (+3.3V)
59
LINK-DET
I
Party Chain input bias detection pin
60
NFC-DATA
I
Two-way data bus with the NFC
61
Vss
-
Ground terminal
62
PVcc
-
Power supply terminal (+3.3V)
63
AC-CUT
I
AC off detection signal input from the reset signal IC “L”: AC Cut detected
64
DEBUG-RxD
I
RxD (for Debug)
65
BT-RxD
I
RX input signal from Bluetooth section
66
SS-DET
I
Speaker detection pin. “L”: Speaker detected
67
RTC-X1
-
Not used
68
RTC-X2
-
Not used
69
PLLVcc
-
Power supply terminal (+3.3V)
70
EXTAL
-
Not used
71
XTAL
-
Not used
72
Vss
-
Ground terminal
73
Vss
-
Ground terminal
74
NMI
-
Non-maskable interrupt input terminal
75
Vss
-
Ground terminal
76
RES
-
Reset signal
77
PVcc
-
Power supply terminal (+3.3V)
78
AMP-TEMP-MON
I
Temperature protect pin. “L”: Protect on
79
SPM-C-MON
I
Voice coil temperature monitor pin.
80
SPM-AMBIENT-TEMP
I
Ambient temperature monitor pin.
81
MODEL-DEST-IN
I
Model and Destination setting terminal (A/D input)
82
FAN-DET
I
Fan speed detection pin.
83
MASTER-VOLUME
I
Jog dial pulse input from the MASTER VOLUME encoder (A/D input)
84
AD-KEY0
I
Key input terminal (A/D input)
85
AD-KEY1
I
Key input terminal (A/D input)
86
AVcc
-
Power supply terminal (+3.3V)
87
AVss
-
Ground terminal
88
AVref
-
A/D Converter reference voltage input terminal (+3.3V)
89
BSCANP
-
Boundary scan setting pin
90
PVcc
-
Power supply terminal (+3.3V)
91
AUDIO-X1
-
Not used
92
AUDIO-X2
-
Not used
93
Vss
-
Ground terminal
94
/LINE-MUTE
O
Muting Control Switch for Party Chain. “L”: mute On
95
Vcc
-
Power supply terminal (+3.3V)
96
/LINE-MUTE-FR
O
Muting Control Switch for Speaker. “L”: mute On
97
TRST
-
Debugging interface: Initialization-signal input pin.
98
TDO
-
Debugging interface: Serial output pin for instructions and data.
99
TDI
-
Debugging interface: Serial input pin for instructions and data.
100
TMS
-
Debugging interface: Test-mode select signal input pin
101
TCK
-
Debugging interface: Test-clock input pin
102
Vss
-
Ground terminal
103
TEST-MON0/SD_D2_0
O
Test port for software checking.
104
TEST-MON1/SD_D3_0
O
Test port for software checking.
105
Vcc
-
Power supply terminal (+3.3V)
106
TEST-MON2/SD_CMD_0
O
Test port for software checking.
107
Vss
-
Ground terminal
108
TEST-MON3/SD_CLK
O
Test port for software checking.
