HCD-GPX33/GPX55/GPX77/GPX88
53
Pin No.
Pin Name
I/O
Description
51
O-ANALOG-BSEL
O
Multiplexer selector B for Analog input
52
O-ANALOG-ASEL
O
Multiplexer selector A for Analog input
53
O-ANALOG-CSEL
O
Multiplexer selector C for Analog input
54
NO USED
O
NO USE
55
O-MTK-BUSY
O
BUSY Signal communication between MTK
56
I-MTK-XIFCS
I
MTK CHIP SELECT
57
O-MTK-RESET
O
MTK Reset Pin
58
O-CD-MOTOR +
O
CDM turning motor control signal output
59
O-CD-MOTOR -
O
CDM turning motor control signal output
60
Vcc2
I
Power supply terminal (+3.3V)
61
O-DIGITAL-SEL
O
Digital Selector Pin
62
Vss
I
Ground terminal
63
I-CDM-LOAD-SW
I
CDM LOAD SW
64
I-CDM-UNLOAD-SW
I
CDM UNLOAD SW
65
I-AD-KEY0
I
Key input terminal (A/D input)
66
I-DSP-INT
I
DSP Initialization completion interupt signal
67
O-DSP-MUTE
O
DSP Mute control. "H": Mute On
68
/I-FAN-BLOCK-DET
I
Fan Block Detection Pin. "L": Block On
69
O-FAN-DRIVE
I
Fan on/off control input signal. "H": On
70
/I-THERMISTOR-DET
I
Temperature protect pin. "L": Protect on
71
/I-DC-DET
I
DC detection pin. "L": Protect on
72
I-DAMP-OCP
I
Digital Amp over current protection pin. "L": Protect on
73
O-DAMP-RESET
O
Digital Amp Reset Pin
74
/I-SD-FAST
I
Power Supply Shutdown Protection Detection Pin. "L": Protect on
75
I-DSP-SDA
I
DSP IC: Data signal for IIC communication
76
I-DSP-SCL
I
DSP IC: Clock signal for IIC communication
77
NO-USE
O
NO USE
78
O-PCONT-DAMP
O
Digital Amp Module Power Control Pin. "H": ON
79
O-MTK-POWER-CTRL
O
Power Control pin for MTK
80
O-RGB-TRANS-LED-
SPK
O
Transfer signal to RGB driver (driver for Speaker LED)
81
NO-USE
O
NO USE
82
NO-USE
O
NO USE
83
NO-USE
O
NO USE
84
/I-HUB-OC-USB-B
O
USB Overcurrent Detection input port B
85
O-VBUS-OE
I
MTK Vbus Output enable control pin
86
/I-HUB-OC-USB-A
I
USB Overcurrent Detection input port A
87
O-HUB-VBUS-DETECT
O
Hub Power (V-DET) Control Port
88
O-HUB-RESET
O
MTK Hub reset pin
89
NO-USE
O
NO USE
90
I-AD-KEY1
I
Key input terminal (A/D input)
91
I-MIC-DETECT
I
Mic Input Detection pin. "L": Mic detected
92
I-MASTER-VOLUME
I
Jog dial pulse input from the MASTER VOLUME encoder (A/D input)
93
O-PCONT-BTSTBY
O
BT Standby Power Control Pin. "H": ON
94
AVss
I
Ground terminal
95
I-MODEL-DEST-IN
I
Model and Destination setting terminal (A/D input)
96
Vref
I
A/D Converter reference voltage input terminal (+3.3V)
97
AVcc
I
Power supply terminal (+3.3V)
98
O-FL-LAT
O
Data Latch signal to FL CIG
99
O-FL-SOUT
O
Serial data output to FL CIG
100
O-FL-CLK
O
Serial clock output to FL CIG
