85
HCD-DZ830W/DZ850KW
MAIN BOARD IC1701 CXD9873Q (HDMI DRIVE)
Pin No.
Pin Name
I/O
Description
1
DVSS
—
Ground terminal (digital system)
2 to 9
C0 to C7
I
Not used (Fixed to “L”)
10
DVDD33
—
Power supply terminal (+3.3V) (digital system)
11
VCK
I
System clock (27 MHz) signal input from the servo DSP
12
DVSS
—
Ground terminal (digital system)
13 to 20
Y0 to Y7
I
Video signal input from the servo DSP
21
SSCK
I
Serial data transfer clock signal input from the servo DSP
22
SSO
I/O
Two-way data bus with the servo DSP
23
DVDD18
—
Power supply terminal (+1.8V) (for digital core)
24
PWDN
I
Power down signal input from the servo DSP “L”: power down
25
RST
I
Reset signal input from the servo DSP “L”: reset
26
CLK
I
System clock (27 MHz) signal input terminal
27
INT
O
Not used (Open)
28
DVSS
—
Ground terminal (digital system)
29, 30
A7, A6
—
Not used (Open)
31 to 33
TRAP2 to TRAP0
—
Not used (Fixed to “L”)
34
MSCK
I
Not used (Open)
35
MSD
I/O
Not used (Open)
36
TYPE
—
Not used (Open)
37
ASDATA4
—
Not used (Open)
38
VSYNC
I
Not used (Fixed to “L”)
39
HSYNC
I
Not used (Fixed to “L”)
40
HTPLG
I
HDMI hot-plug detection signal input terminal
41
AVSS
—
Ground terminal (analog system)
42
PLLC0
—
Not used (Open)
43
PLLC1
—
External capacitor connection terminal (for PLL)
44, 45
PLL_AVDD3
—
Power supply terminal (+3.3V) (analog system) (for PLL)
46, 47
AVSS
—
Ground terminal (analog system)
48
TCKN
O
TMDS clock signal (negative) output to the HDMI OUT connector
49
TCKP
O
TMDS clock signal (positive) output to the HDMI OUT connector
—
Power supply terminal (+3.3V) (analog system)
O
TMDS data (negative) output to the HDMI OUT connector
O
TMDS data (positive) output to the HDMI OUT connector
—
Ground terminal (analog system)
O
TMDS data (negative) output to the HDMI OUT connector
O
TMDS data (positive) output to the HDMI OUT connector
—
Power supply terminal (+3.3V) (analog system)
O
TMDS data (negative) output to the HDMI OUT connector
O
TMDS data (positive) output to the HDMI OUT connector
59
AVSS
—
Ground terminal (analog system)
60
SWING
I
Not used (Fixed to “H” (+3.3V LINE))
61
DAC_AVDD3
—
Power supply terminal (+3.3V) (analog system) (for D/A converter)
62
VREF
—
Reference voltage terminal (for D/A converter)
63
FS
—
Full scale adjustment terminal (for D/A converter)
64
AVSS
—
Ground terminal (analog system) (for D/A converter)
65
DAC_AVDD3
—
Power supply terminal (+3.3V) (analog system) (for D/A converter)
66
AVSS
—
Ground terminal (analog system) (for D/A converter)
67
DAC_AVDD3
—
Power supply terminal (+3.3V) (analog system) (for D/A converter)
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