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Intersil Electronic Components Datasheet

TW2964 Datasheet

4-CH WD1 (960H)/D1 Compatible Video Decoders and Audio Codecs

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Techwell
PRELIMINARY
4-CH WD1 (960H)/D1 Compatible Video Decoders
and Audio Codecs
TW2964
Features
Video Decoder
WD1 (960H) and D1 compatible video decoding
operation and it is programmable each channel
NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N
combination), PAL (60) support with automatic
format detection
Software selectable analog inputs allows any of 2
CVBS per one video ADC
Built-in analog anti-alias filter
Four 10-bit ADCs and analog clamping circuit for
CVBS input
Fully programmable static gain or automatic gain
control for the Y channel
Programmable white peak control for CVBS
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, sharpness
Automatic color control and color killer
ITU-R 656 like YCbCr (4:2:2) output or time
multiplexed output with 36/72/144MHz for WD1
or 27/54/108MHz for D1 format
Audio Codec
Integrated five audio ADCs processing and one
audio DAC
Provides multi-channel audio mixed analog output
Support I2S/DSP Master/Slave interface for
record output and playback input
PCM 8/16-bit and u-Law/A-Law 8-bit for audio
word length
Programmable audio sample rate that covers
popular frequencies of 8/16/32/44.1/48kHz
Miscellaneous
Two-wire MPU serial bus interface
Integrated clock PLL for 144/108MHz clock
output
Power save and Power down mode
Low power consumption
Single 27MHz crystal for all standards and both
WD1 and D1 format
I/O Pin compatible with TW2960 (Supply pins are
different)
3.3V tolerant I/O
1.0V/3.3V power supply
100-pin and 128-pin LQFP packages
1
FN8288.0.1
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
August 2, 2012
All other trademarks mentioned are the property of their respective owners.


Intersil Electronic Components Datasheet

TW2964 Datasheet

4-CH WD1 (960H)/D1 Compatible Video Decoders and Audio Codecs

No Preview Available !

VIN1A
VIN1B
AIN1
VIN2A
VIN2B
AIN2
VIN3A
VIN3B
AIN3
VIN4A
VIN4B
AIN4
AIN5
AOUT
TW2964
AADDCC
AADDCC
4H Comb
Video Decoder
Decimation Filter
AADDCC
AADDCC
4H Comb
Video Decoder
Decimation Filter
AADDCC
AADDCC
4H Comb
Video Decoder
Decimation Filter
AADDCC
4H Comb
Video Decoder
AADDCC Decimation Filter
ADC
Decimation Filter
DAC Interpolation Filter
FIGURE 1. TW2964 BLOCK DIAGRAM
VD1[7:0]
VD2[7:0]
VD3[7:0]
VD4[7:0]
MPP1
MPP2
MPP3
MPP4
CLKPO
XTO
XTI
CLKNO
SCLK
SDAT
IRQ
ACLKR
ASYNR
ADATR
ADATM
ACLKP
ASYNP
ADATP
2


Part Number TW2964
Description 4-CH WD1 (960H)/D1 Compatible Video Decoders and Audio Codecs
Maker Intersil
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TW2964 Datasheet PDF






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