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GS2993 Scheda tecnica(PDF) 6 Page - Semtech Corporation |
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GS2993 Scheda tecnica(HTML) 6 Page - Semtech Corporation |
6 / 23 page GS2993 Dual Output Adaptive Cable Equalizer Data Sheet 53966 - 4 August 2012 6 of 23 Propietary & Confidential 20 OP1_CTL Input CONTROL SIGNAL INPUT Controls the Output Swing, De-emphasis, and Mute features of SDO and SDO from output 1. When connected to GND, the output swing is 800mV with no de-emphasis. When connected to the 3.3V analog power supply, the output is MUTED. Includes an internal pull down resistor. See Section 4.7 for all other control options. 21 OP1_EN Input Output 1 Enable. When HIGH, Output 1 is operational. When LOW, Output 1 is powered-down and the outputs are both at VCC_O1. Includes an internal pull up resistor. 22 CLI Output Cable Length Indicator. 23 SLEEP Not Synchronous Input CONTROL SIGNAL INPUT When set HIGH, the GS2993 is powered-down except for the Carrier Detect functionality. Includes an internal pull-down resistor. 24 CD Not Synchronous Output Carrier Detect status signal output. Signal levels are LVCMOS/LVTTL compatible. Indicates presence of a good input signal. When the CD pin is LOW, a good input signal has been detected. When this pin is HIGH, the input signal is invalid. This pin will indicate loss of carrier for all supported data rates. – Center Pad – Power Internally bonded to VEE_A. Table 1-1: GS2993 Pin Descriptions (Continued) Pin Number Name Timing Type Description |
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