TW6868-LB2-GR-EVAL Intersil, TW6868-LB2-GR-EVAL Datasheet - Page 8

• Manufacturer Part Number: TW6868-LB2-GR-EVAL
• Description: EVAL BOARD FOR TW6868-LB2-GR
• Manufacturer: Intersil

Specifications of TW6868-LB2-GR-EVAL

• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption

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Intersil Techwell Security Surveillance IC Selection Guide
SECURITY SURVEILLANCE ICs
TW2866/TW2867
4-Channel Video Decoder and Audio Codec
plus Video Encoder for Security Applications
The TW2866 is Intersil Techwell’s second-generation 4-in-1 video decoder and audio codec plus video encoder for security surveillance applica-
tions. The device includes four high quality NTSC/PAL/SECAM video decoders that convert analog composite video signal to digital component
YCbCr data. Each channel contains a 10-bit ADC and proprietary clamp/gain controller and utilizes 4H comb filter for separating luminance &
chrominance to reduce cross noise artifacts. The TW2866 adopts image enhancement techniques such as IF compensation filter, CTI and
programmable peaking. In addition, TW2866 includes one NTSC/PAL video encoder with two 10-bit DACs to support CVBS and YC output. The
TW2866 also includes an audio codec which has five audio ADCs and one DAC. A built-in audio controller can generate digital outputs for
recording/mixing and accepts digital input for playback. The TW2866 is pin-to-pin compatible to the TW2867. The difference between the two
devices is that the TW2867 does not support NTSC/PAL video encoder function.
Video Decoder
Video Encoder (TW2866 Only)
Audio Codec
Other Features
Order Information
Accepts all NTSC(M/4.43) / PAL(B/D/G/H/I/K/L/M/N/60)/SECAM standards with auto detection
Integrated four video analog anti-aliasing filters and 10-bit ADCs
High performance adaptive 4H comb filters for all NTSC/PAL standards
IF compensation filter for improvement of color demodulation
Color Transient Improvement (CTI) and automatic white peak control
Programmable hue, saturation, contrast, brightness and sharpness
Proprietary fast video locking system for non-realtime application
Supports the standard ITU-R BT.656 format or time multiplexed output with 54/108MHz.
Provides simultaneous four channel Full D1 and CIF time-multiplexed outputs with 54MHz.
NTSC/PAL Video Encoder
CVBS and S-video Support
Integrated five audio ADCs and one audio DAC
Provides multi-channel audio mixed analog output
Supports I2S/DSP Master/Slave interface for record
output and playback input.
PCM 8/16 bit and u-Law/A-Law 8bit for audio word
length
Programmable audio sample rate that covers popular
frequencies of 8/16/32/44.1/48kHz
2x/4x analog clock PLL for 108MHz clock output
Supports a two-wire serial host interface
1.2V, 3.3V Supply
Low power consumption
Part Number: TW2866/TW2867
Package: 128-pin LQFP
TW2866/TW2867 Block Diagram
Q4 2010 Edition