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• MAIN BOARD (1/2) IC920 TC90A07U (VIDEO ENCODER)
Pin No.
Pin Name
1
MIFH
2
MIFFL
3
MIFFR
4
VBLNKI
5
VDD
6
GND
7
YCDI0
YCDI1 to
8 to 13
YCDI6
14
YCDI7
15
MODE
16
VBLNKO
17
VDD
18
GND
19
CLPF
20
BF
21
BLK
22
FLD
23
BIAS2
24
BIAS1
25
VREF
26
AGND
27
YOUT
28
AVCC
29
COUT
30
AGND
31
CVOUT
32
AVCC
33
CSYNC
34
HSYNC
35
VSYNC
36
TMS3
37
VDD
38
CK27I
39
XO
40
GND
41
TMS2
42
CK27O
43
TMS1
44
TMS0
I/O
I
Horizontal synchronous signal input from the MPEG audio/video decoder (IC901)
I
Vertical synchronous signal input from the MPEG audio/video decoder (IC901)
O
Frame synchronous signal output terminal Not used (open)
I
Video blanking signal input terminal "L": blanking
—
Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
I
8 bit pixel data (LSB) input from the MPEG audio/video decoder (IC901)
I
8 bit pixel data input from the MPEG audio/video decoder (IC901)
I
8 bit pixel data (MSB) input from the MPEG audio/video decoder (IC901)
NTSC/PAL mode selection signal input from the MPEG audio/video decoder (IC901)
I
"L": NTSC, "H": PAL
O
Video blanking signal output terminal
—
Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
Low-pass filter on/off control signal input for the internal CbCr "L": on, "H": off
I
Fixed at "L" in this set
O
Burst flag pulse output terminal Not used (open)
O
Blanking signal output terminal Not used (open)
Field discrimination signal output terminal "L": odd number field, "H": even number field
O
Not used (open)
—
Connect a capacitor for the D/A converter bias
—
Connect a capacitor for the D/A converter bias
I
Reference voltage input terminal (for D/A converter)
—
Ground terminal (analog system for D/A converter)
O
Analog Y signal (luminance signal) output terminal Not used (open)
—
Power supply terminal (+3.3V) (analog system for D/A converter)
O
Analog C signal (chroma signal) output terminal Not used (open)
—
Ground terminal (analog system for D/A converter)
O
Analog composite video signal output terminal
—
Power supply terminal (+3.3V) (analog system for D/A converter)
O
Composite synchronous signal output terminal Not used (open)
O
Horizontal synchronous signal output terminal Not used (open)
O
Vertical synchronous signal output terminal Not used (open)
I
Mode setting terminal Normally fixed at "H"
—
Power supply terminal (+3.3V) (digital system)
I
System clock input terminal (27 MHz)
O
System clock output terminal (27 MHz)
—
Ground terminal (digital system)
I
Mode setting terminal Normally fixed at "H"
O
System clock signal (27 MHz) output to the MPEG audio/video decoder (IC901)
I
Reset signal input from the system controller (IC701)
I
Video output mode setting terminal "L": normal output mode, "H": color bar output mode
Function
– 32 –
"L": reset
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