Techwell 8-Channel WD1 (960H)/D1 Compatible Video Decoders and Audio Codecs TW2968 Features Video Decoder Audio Codec WD1 (960H) and D1 compatible video decoding operation and each channel is programmable Ten integrated audio ADCs processing and one audio DAC NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N combination), PAL (60) support with automatic format detection Provides multi-channel audio mixed analog output Supports I2S/DSP Master/Slave interface for record output and playback input Software selectable analog inputs allows any of 2 CVBS per one video ADC PCM 8/16-bit and u-Law/A-Law 8-bit for audio word length Built-in analog anti-alias filter Programmable audio sample rate that covers popular frequencies of 8/16/32/44.1/48kHz 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 Miscellaneous Embedded PTZ Tx pulse generation Two-wire MPU serial bus interface 4-H adaptive comb filter Y/C separation Integrated clock PLL for 144/108MHz clock output PAL delay line for color phase error correction Power save and Power down mode Image enhancement with peaking and CTI Low power consumption Digital sub-carrier PLL for accurate color decoding Single 27MHz crystal for all standards and both WD1 and D1 format Digital Horizontal PLL for processing and pixel sampling synchronization 3.3V tolerant I/O Advanced synchronization processing and sync detection for handling non-standard and weak signal Programmable hue, contrast, sharpness brightness, saturation, 1.0V/3.3V power supply 128-pin LQFP package (pin compatible with TW2964 128-LQFP version) 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 1 FN8394.3 March 19, 2013 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2013. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. 4H Comb Video Decoder VIN3 ADC 4H Comb Video Decoder VIN4 ADC 4H Comb Video Decoder VIN5 ADC 4H Comb Video Decoder VIN6 ADC 4H Comb Video Decoder VIN7 ADC 4H Comb Video Decoder VIN8 ADC 4H Comb Video Decoder AIN1 ADC 4H Comb Decimation Filter Video Decoder AIN2 ADC 4H Comb Decimation Filter Video Decoder AIN3 ADC 4H Comb Decimation Filter Video Decoder AIN4 ADC 4H Comb Decimation Filter Video Decoder ADC 4H Comb Decimation Filter Video Decoder AIN5 ADC 4H Comb Decimation Filter Video Decoder AIN6 ADC 4H Comb Decimation Filter Video Decoder AIN7 ADC 4H Comb Decimation Filter Video Decoder AIN8 ADC 4H Comb Decimation Filter Video Decoder AIN_AUX2 (AIN52) ADC 4H Comb Decimation Filter Video Decoder AOUT DAC AIN_AUX1 (AIN51) Interpolation Filter Mux Interface ADC VD1[7:0] VD2[7:0] VD3[7:0] VD4[7:0] MPP COAXITRON Interface VIN2 MPP1/PTZADD0 MPP2/PTZADD1 MPP3/PTZADD2 Clock PLL Clock Generator 4H Comb Video Decoder CLKPO XTO XTI CLKNO Host Interface ADC SCLK SDAT IRQ I2S/DSP Interface VIN1 ACLKR ASYNR ADATR ADATM ACLKP ASYNP ADATP Cascade Interface TW2968 ALINKO ALINKI MPP4/PTZDAT For additional products, see www.intersil.com/product_tree Intersil products are manufactured, assembled and tested utilizing ISO9000 quality systems as noted in the quality certifications found at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets 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 www.intersil.com