81
HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
Pin No.
Pin Name
I/O
Description
49
USB_VDD3
-
Power supply terminal (+3.3V)
50
SPFG
I
Spindle motor hall sensor input from the motor driver
51
MSW
O
CD/DVD selection signal output terminal "L": CD, "H": DVD
52
CKSW
I
Chucking detection switch input terminal Not used
53
OCSW
I
Disc table open/close detection switch input terminal Not used
54
EEWP
O
Write protect signal output to the EEPROM
55
DVDD18
-
Power supply terminal (+1.8V)
56 to 64
HA2 to HA8,
HA18, HA19
O
Address signal output to the flash ROM
65
DVDD3
-
Power supply terminal (+3.3V)
66
XWR
O
Write enable signal output to the flash ROM
67 to 75
HA16 to HA9,
HA20
O
Address signal output to the flash ROM
76
XROMCS
O
Chip select signal output to the flash ROM
77
HA1
O
Address signal output to the flash ROM
78
XRD
O
Read enable signal output to the flash ROM
79, 80
HD0, HD1
I/O
Two-way data bus terminal with the flash ROM
81
DVSS
-
Ground terminal
82 to 86
HD2 to HD6
I/O
Two-way data bus terminal with the flash ROM
87
HA21
O
Address signal output to the flash ROM
88
RESERVED
-
Not used
89
HD7
I/O
Two-way data bus terminal with the flash ROM
90
DVSS
-
Ground terminal
91, 92
HA17, HA0
O
Address signal output to the flash ROM
93
DVDD18
-
Power supply terminal (+1.8V)
94, 95
RESERVED
-
Not used
96
DVDD3
-
Power supply terminal (+3.3V)
97
IFSDO
O
Serial data output to the system controller
98
IFCK
O
Serial data transfer clock signal output to the system controller
99
xIFCS
O
Chip select signal output to the system controller
100
IFSDI
I
Serial data input from the system controller
101
SCL
O
Serial data transfer clock signal output to the EEPROM and HDMI transmitter
102
SDA
I/O
Two-way data bus with the EEPROM and HDMI transmitter
103
HDMI_SCL
O
Serial data transfer clock signal output to the HDMI OUT connector
104
HDMI_SDA
I/O
Two-way data bus with the HDMI OUT connector
105
RXD
I
Receive data input terminal for UART communication when data writing to flash memory
106
TXD
O
Transmit data output terminal for UART communication when data writing to flash memory
107
ICE
I
ICE mode enable signal input terminal Not used
108
xSYSRST
I
Reset signal input from the system controller "L": reset
109
RESERVED
-
Not used
110
xTXINT
O
Interrupt request signal output terminal Not used
111
DQM0
O
Data mask signal output to the SD-RAM
112
IFBSY
I
Busy signal input from the system controller
113 to 117
RD7 to RD3
I/O
Two-way data bus with the SD-RAM
118
DVDD3
-
Power supply terminal (+3.3V)
119 to 129
RD2 to RD0,
RD15 to RD8
I/O
Two-way data bus with the SD-RAM
130
LIMITSW
I
Limit detection switch input terminal
