PDF TW2960 Data sheet ( Hoja de datos )

Número de pieza	TW2960
Descripción	4-CH 960H Video Decoders and Audio Codecs
Fabricantes	Intersil
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Techwell NOT RECOMMENDED FOR NEW DESIGNS Contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tsc 4-CH 960H Video Decoders and Audio Codecs TW2960 Features Video Decoder 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 Chroma IF compensation ITU-R 656 like YCbCr(4:2:2) output or time multiplexed output with 72/144MHz Audio Codecs 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 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 FN7942.1 September 6, 2012 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. All other trademarks mentioned are the property of their respective owners. 1 page TW2960 0xBB – Analog Audio ADC Digital Output Value ..............80 0xBC – Analog Audio ADC Digital Output Value ..............80 0x77 – Analog Audio ADC Digital Output Value ..............80 0x78 – Analog Audio ADC Digital Output Value ...............80 0xBD – Adjusted Analog Audio ADC Digital Input Value..81 0xBE – Adjusted Analog Audio ADC Digital Input Value..81 0xBF – Adjusted Analog Audio ADC Digital Input Value ..81 0xC0 – Adjusted Analog Audio ADC Digital Input Value ..81 0xC1 – Adjusted Analog Audio ADC Digital Input Value ..82 0x79 – Adjusted Analog Audio ADC Digital Input Value..82 0x7A – Adjusted Analog Audio ADC Digital Input Value ..82 0xC8 – MPP Pin Output Mode Control .............................83 0xC9 – MPP Pin Output Mode Control .............................85 0xCA – Video Channel Output Control..............................87 0xCB –POLMPP ................................................................88 0xCC – 2nd Channel Selection..........................................89 0xCD – 1st Channel Selection...........................................90 0xCE – Analog Power Down Control ................................91 0xCF – Serial Mode Control...............................................92 0xD0, 0xD1, 0x7F - Analog Audio Input Gain ...................93 0xD2 – Number of Audio to be Recorded .........................94 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA – Sequence of Audio to be Recorded...................................95 0xDB –Master Control........................................................96 0xDC –u-Law/A-Law Output and Mix Mute Control..........97 0x7E – MIX_MUTE_A5......................................................98 0x72 – Mix Ratio Value 1 ...................................................99 0x72 – Mix Ratio Value 2 ................................................ 100 0xDD – Mix Ratio Value.................................................. 101 0xDE – Mix Ratio Value .................................................. 101 0xDF – Analog Audio Output Gain ................................ 102 0xE0 – Mix Output Selection 1....................................... 102 0xE0 – Mix Output Selection 2....................................... 103 0xE1 – Audio Detection Period and Audio Detection Threshold......................................................................... 104 0xE2 – Audio Detection Threshold ................................ 105 0xE3 – Audio Detection Threshold ................................ 105 Audio Clock Increment .................................................... 105 0xF0 – Audio Clock Increment....................................... 105 0xF1 – Audio Clock Increment....................................... 105 0xF2 – Audio Clock Increment....................................... 105 0xF3 – Audio Clock Number.......................................... 106 0xF4 – Audio Clock Number.......................................... 106 0xF5 – Audio Clock Number.......................................... 106 0xF6 – Serial Clock Divider............................................ 107 0xF7 – Left/Right Clock Divider ..................................... 107 0xF8 – Audio Clock Control ........................................... 107 0xF9 – Video Miscellaneous Function Control ..............108 0xFA – Output Enable Control and Clock Output Control109 0xFB – Clock Polarity Control.........................................110 0xFC – Enable Video and Audio Detection ...................111 0x73 – Enable Video and Audio Detection ....................112 0xFD – Status of Video and Audio Detection ................113 0x74 – Status of Video and Audio Detection .................113 0xFE – Device ID and Revision ID Flag.........................114 0xFF – Device ID and Revision ID Flag.........................114 0x60 – Clock PLL Control...............................................115 0x61 – 144MHz Clock Select .........................................116 0x62 – MPPOE ................................................................117 0x63 – Channel ID 21......................................................118 0x64 – Channel ID 43......................................................118 0x65 – VIDEO Bus Tri-state Control ..............................119 0x70 – Audio Clock Control............................................120 0x71 – Digital Audio Input Control...................................121 0x7B – ADATM I2S Output Select..................................122 0x7C – ADATM I2S Output Select..................................123 0x7D – AIN51/52/53/54 Record Output..........................124 0x89 – Audio Fs Mode Control........................................125 0xB2 – VDLOSS Output..................................................126 0x53 – Audio DAC Test Control ......................................127 0x54 – Audio ADC Control 1 ...........................................128 0x55 –Video ADC Control ...............................................128 0x56 – Audio ADC Control 2 ...........................................129 0x5C– BGCTL .................................................................130 0x5D – CH2 Miscellaneous Control II on BGCTL=1 ......131 0x5E – CH3 Miscellaneous Control II on BGCTL=1 ......132 0x5F – CH4 Miscellaneous Control II on BGCTL=1 ......133 Pin Diagram.............................................................................135 Pin Descriptions .....................................................................136 Analog Video/Audio Interface Pins .....................................136 Digital Video/Audio Interface Pins .......................................137 System Control Pins ..............................................................138 Power and Ground Pins......................................................138 Parametric Information..........................................................139 AC/DC Electrical Parameters .............................................139 Serial Host Interface Timing................................................142 Serial Host Interface Timing Diagram.................................142 CLKPO and Video Data Timing..........................................143 Digital Serial Audio Interface Timing...................................144 Analog Audio Parameters...................................................145 Package Outline Drawing......................................................146 Life Support Policy.................................................................147 Revision History .....................................................................147 5 5 Page TWO CHANNEL ITU-R BT.656 TIME-MULTIPLEXED FORMAT WITH 72MHZ The TW2960 supports two channels ITU-R BT.656 like time-multiplexed format with 72MHz that is useful to security application requiring two channel outputs through one channel video port. The CHMDn register enables the dual ITU-R BT.656 like time-multiplexed format and the MAINCHn/SELCHn register selects channel output to be multiplexed with its own channel on each VD pins. To de-multiplex the time-multiplexed data in the back end chip, the channel ID can be inserted in the data stream using the CHID_MD register. Two kinds of channel ID format can be supported. One is horizontal blanking code with channel ID and the other is ITU-R BT.656 sync code with channel ID. Figure 3 and Figure 4 illustrate VDn[7:0]/CLKPO/CLKNO pin timing with 72MHz/36MHz clock output mode. CLKPO (72MHz) CLKNO (72MHz) MAINCHn FF 00 00 XY Cb0 SELCHn Y50 Cr50 Y51 Cb52 Y52 VDn[7:0] FF Y50 00 Cr50 00 Y51 XY Cb52 Cb0 Y52 FIGURE 3. PIN OUTPUT TIMING OF TWO CHANNEL TIME-MULTIPLEXED FORMAT WITH 72MHZ CLOCK CLKPO (36MHz) CLKNO (36MHz) MAINCHn FF 00 00 XY Cb0 Y0 SELCHn Y50 Cr50 Y51 Cb52 Y52 VDn[7:0] FF Y50 00 Cr50 00 Y51 XY Cb52 Cb0 Y52 Y0 FIGURE 4. PIN OUTPUT TIMING OF TWO CHANNEL TIME-MULTIPLEXED FORMAT WITH 36MHZ CLOCK. 11 11 Page

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