DATA SHORT
To request the full datasheet, please visit
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TW9910
Low Power NTSC/PAL/SECAM Video Decoder
with VBI Slicer
FN7773
Rev. 1.00
October 10, 2012
Features
Video Decoder
NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N
combination), PAL (60), SECAM support with
automatic format detection
Software selectable analog inputs allow any of
the following combinations, e.g. 4 CVBS or (3
CVBS and 1 Y/C).
Video Scaler
High quality horizontal filtered scaling with
arbitrary scale down ratio
Phase accuracy better than 1/32 pixel
Programmable output cropping
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
3.3V tolerant I/O
1.8V/3.3 V power supply
44 pin LQFP, 48 pin QFN package
Built-in analog anti-alias filter
Two 10-bit ADCs and analog clamping circuit
Fully programmable static gain or automatic
gain control for the Y channel
Programmable white peak control for the Y
channel
4-H adaptive comb filter Y/C separation
PAL delay line for color phase error correction
Image enhancement with peaking and CTI.
Digital sub-carrier PLL for accurate color
decoding
Digital Horizontal PLL for synchronization
processing and pixel sampling
Advanced synchronization processing and sync
detection for handling non-standard and weak
signal
Programmable hue, brightness, saturation,
contrast, and sharpness.
Automatic color control and color killer
Chroma IF compensation
ITU-R 601 or 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
FN7773 Rev. 1.00
October 10, 2012
Page 1 of 2
TW9910
Functional Description
VBI Slicer
VD (15:8)
Analog Video In
Chroma
Demodulation
CIN 0
10-bit
ADC
U
4H Adaptive
Comb Filter
MUX0
MUX1
(1)
MUX2
MUX3
10-bit
ADC
MUX
AGC
V
Scaling / Video Interface
VD(7:0)
Luma/Chroma
processor
HS
VS
CLKx2
MPOUT
Y
27 Mhz
Line-lock
clock
Generator
Clock
PDN
RSTB
SCLK
SDAT
2 Wire
Serial Bus
FIGURE 1. TW9910 BLOCK DIAGRAM
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in the quality certifications found at
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Intersil products are sold by description only. Intersil may modify the circuit design and/or specifications of products at any time without notice,
provided that such modification does not, in Intersil's sole judgment, affect the form, fit or function of the product. Accordingly, the reader is
cautioned to verify that datasheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable.
However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third
parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its
subsidiaries.
For information regarding Intersil Corporation and its products, see
http://www.intersil.com
FN7773 Rev. 1.00
October 10, 2012
Sync
Processor
Page 2 of 2
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