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Rohm Semiconductor Electronic Components Datasheet

BU1424K Datasheet

NTSC / PAL digital RGB encoder

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BU1424K pdf
Multimedia ICs
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NTSC / PAL digital RGB encoder
BU1424K
The BU1424K is an IC that converts digital RGB / YUV input to composite (NTSC / PAL / PAL60), luminance (Y),
and chrominance (C) signals, and outputs the results.
Applications
Video interfaces for VIDEO-CDs and CD-G decoders
Features
1) Input clocks supported.
27.0 / 13.5MHz
28.636 / 14.318MHz
28.375 / 14.1875MHz
35.4695 / 17.73475MHz
2) 24-bit RGB and 16-bit YUV input signals are sup-
ported.
3) Both master and slave systems are supported.
4) 9-bit high-speed DAC is used for DAC output of
composite VIDEO, Y, and C signals.
5) Internal 8-color OSD output function is provided.
6) FSC-TRAP on the Y channel can be turned on and
off.
7) C channel is equipped with an internal chrominance
band-pass filter in addition to the U,V. low-pass filter.
8) 5V single power supply, low power consumption.
(0.4W typ.)
9) Y and C output can be turned off (the power con-
sumption with Y and C off is 0.25W typ.).
1


Rohm Semiconductor Electronic Components Datasheet

BU1424K Datasheet

NTSC / PAL digital RGB encoder

No Preview Available !

BU1424K pdf
Multimedia ICs
Block diagram
BU1424K
OSD PALLET
RGB 24BITS
RD
GD / Y
BD / UV
LATCH
RGB
to
YUV
UV
FILTER
Y-LEVEL SHIFT
CHROMA GEN
Y-FILTER
C-FILTER
MIX SIG
and
sync
burst
DAC
V
Y
C
VOUT
YOUT
COUT
VOLK
RSTB
VIDEO TIMING CONTROL
SUB CARRIER BURST GENERATOR
SYNC BLANK
BURST
MODE CONTROL FIELD / FLAME CONTROL
PIXCLK
HSY
VSY
BCLK
2


Part Number BU1424K
Description NTSC / PAL digital RGB encoder
Maker Rohm
Total Page 30 Pages
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