TW2960-LA1-CR

Techwell GET FULL DATASHEET 4-CH 960H Video Decoders and Audio Codecs TW2960 Features Video Decoder Audio Codecs • NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N combination), PAL (60) support with automatic format detection • Integrated five audio ADCs processing and one audio DAC • Software selectable analog inputs allows any of 2 CVBS per one video ADC • Support I2S/DSP Master/Slave interface for record output and playback input • 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 • Provides multi-channel audio mixed analog output • 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 144MHz clock output • Power save and Power down mode • Low power consumption • Single 36MHz crystal for all standards • 3.3V tolerant I/O • 1.8V/3.3V power supply • 100-pin LQFP package • Programmable hue, brightness, saturation, contrast, sharpness • Automatic color control and color killer • Chroma IF compensation • ITU-R 656 like YCbCr(4:2:2) output or time multiplexed output with 72/144MHz 1 FN7942.0. January 18, 2012 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. All other trademarks mentioned are the property of their respective owners. TW2960 VIN3B VIN4A VIN4B MUX AIN3 Decimation Filter ADC ADC 4H Comb Video Decoder ADC ADC Decimation Filter ADC ADC 4H Comb Video Decoder ADC ADC Decimation Filter ADC ADC 4H Comb Video Decoder AIN4 ADC ADC Decimation Filter AIN5 ADC Decimation Filter AOUT DAC Interpolation Filter BT.656 Interface VIN3A MUX AIN2 ADC ADC VD1[7:0] VD2[7:0] VD3[7:0] VD4[7:0] MPP Interface VIN2B 4H Comb Video Decoder MPP1 MPP2 MPP3 MPP4 Clock PLL Clock Generator VIN2A MUX AIN1 ADC ADC CLKPO XTO XTI CLKNO Host Interface VIN1B SCLK SDAT IRQ I2S Interface VIN1A MUX Function Description ACLKR ASYNR ADATR ADATM ACLKP ASYNP ADATP FIGURE 1. TW2960 BLOCK DIAGRAM 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