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TECHWELL INC. TEL 1-408-435-3888 www.techwellinc.com
Techwell
Mixed Signal Semiconductor Solutions
TW9900 Block Diagram
Miscellaneous
Two wire MPU serial bus interface
Support Real Time Control interface
Power save and Power down mode
Typical power consumption < 100mW
Single 27MHz crystal for all standards
Supports 24.54MHz and 29.5MHz crystal for high
resolution square pixel format decoding
3.3 V tolerant I/O
1.8V/3.3 V power supply
5x5mm 32 TQFP package
For more information on Techwell, please contact us at 1-408-435-3888
2009 Techwell Inc. All rights reserved.
All other trademarks are property of their respective owners
About Techwell
Techwell is a fabless semiconductor company that designs, markets and sells mixed signal integrated circuits for multiple digital video
applications in the consumer, security surveillance and automotive markets, including advanced TVs, multifunction LCD monitors,DVD
Recorders, security surveillance systems and in-car LCD displays. Founded in 1997,we currently have over 160 employees and are
headquartered in San Jose,California, with additional R&D and sales activities in South Korea, Japan,Taiwan and China.
Video Output
8-bit ITU-R 656 compatible YCbCr(4:2:2) output format
VBI slicer supporting industrial standard data services
VBI data pass through, raw ADC data output
LLC output support
TW9900
Low Power NTSC/PAL/SECAM Video Decoder with VBI Slicer
NTSC/PAL/SECAM Video Decoder for Portable Applications
MUX0
MUX1
Analo
g
Vide
o
In
10-bit ADC
MUX
AGC
10-bit ADC
VB
ISlicer
CIN0
Clock
Line-lock
clock
Generator
27Mhz
PDN
SCLK
SDAT
2
Wire
Seria
lBus
4H
Adaptive
Com
b
Filter
Sync
Processor
Chroma
Demodulation
Luma/Chroma
Processor
Scalin
g
/Vide
o
Interface
U
V
Y
VD (7:0)
HS
VS
CLKx2
MPOUT