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GS1582 Datasheet(PDF) 13 Page - Semtech Corporation |
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GS1582 Datasheet(HTML) 13 Page - Semtech Corporation |
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13 / 115 page  GS1582 Multi-Rate Serializer with Cable Driver, Audio Multiplexer and ClockCleanerTM Data Sheet 40117 - 4 December 2011 13 of 115 D3 STANDBY Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Power down input. When set HIGH, the device will be in standby mode. D4 SDO_EN/DIS Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to enable or disable the serial digital output stage. When set LOW, the serial digital output signals SDO and SDO are disabled and become high impedance. When set HIGH, the serial digital output signals SDO and SDO are enabled. The SDO and SDO outputs will also be high impedance when the RESET pin is LOW. D6, D7, D8, E4, E8, F8 NC – – No connect. Not connected internally. E3 SD/HD Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. When set LOW, the device will be configured to transmit signals of 1.485Gb/s - 1.485/1.001Gb/s rates only. When set HIGH, the device will be configured to transmit signals of a 270Mb/s rate only. E10 CD_VDD Analog Input Power Power supply connection for the serial digital cable driver. Connect to +3.3V DC analog. F1, F2, H1, H2, J1, J2, J3, K1, K2, K3 DIN[9:0] Synchronous with PCLK Input PARALLEL DATA BUS Signal levels are LVCMOS/LVTTL compatible. DIN9 is the MSB and DIN0 is the LSB. HD 20-bit mode SD/HD = LOW 20bit/10bit = HIGH Chroma data input in SMPTE mode SMPTE_BYPASS =HIGH DVB_ASI = LOW Data input in Data-Through mode SMPTE_BYPASS = LOW DVB_ASI = LOW HD 10-bit mode SD/HD = LOW 20bit/10bit = LOW High impedance in all modes. SD 20-bit mode SD/HD = HIGH 20bit/10bit = HIGH Chroma data input in SMPTE mode SMPTE_BYPASS = HIGH DVB_ASI = LOW Data input in Data-Through mode SMPTE_BYPASS = LOW DVB_ASI = LOW Forced low in DVB-ASI mode SMPTE_BYPASS = LOW DVB_ASI = HIGH SD 10-bit mode SD/HD = HIGH 20bit/10bit = LOW High impedance in all modes. Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description |
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