Daewoo DTQ-20D5FSN Service Manual page 40

APPENDIX
IC DESCRIPTION
Pin Terminal Name
16 P87 / AN7 SPARE A/D
17 /RES
18 FILT
19 CVTN
20 /VS
21 /HS
22 R
23 G
24 B
25 BL
26 I
27 P60/ SDA 0
Main IC Data
28 P61 / SCLK 0
Main IC CLK
29 SDA 1 Tuner Data
30 P63 / SCLK 1 Tuner CLK
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Explanation
-16 pin is a spare pin.
-13 pin to 16 pin.
-4 bit input/output port, Nch-OD output.
-Input or output can be specified for each bit.
-Other function.
.AD converter input port (4 lines)
-Reset terminal.
/RES
-Active Low.
-Filter terminal for PLL.
Filter
-Output terminal.
CVSB IN -Video signal input terminal.
/VS -Vertical synchronization signal input terminal.
/HS -Horizontal synchronization signal input terminal.
R -Red output terminal of RGB image.
G -Green output terminal of RGB image.
B -Blue output terminal of RGB image.
-Fast blanking control signal.
-Switch TV image signal and caption / OSD image
BL
signal.
-Output terminal.
-Intensity output terminal of RGB image signal.
I
-Output terminal.
ROM Data -6-bit input/ output port.
-Input/ output can be specified for each bit.
-Other function.
ROM CLK
P60
P61
P62
P63
IIC0 data I/O.
IIC0 clock output.
IIC1 data I/O.
IIC1 clock output.
6
Remarks