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GS1582-IBE3 Fiches technique(PDF) 10 Page - Gennum Corporation |
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GS1582-IBE3 Fiches technique(HTML) 10 Page - Gennum Corporation |
10 / 114 page GS1582 Data Sheet 40117 - 1 November 2007 10 of 114 B4 PCLK – Input PARALLEL DATA BUS CLOCK Signal levels are LVCMOS/LVTTL compatible. HD 20-bit mode PCLK = 74.25MHz or 74.25/1.001MHz HD 10-bit mode PCLK = 148.5MHz or 148.5/1.001MHz SD 20-bit mode PCLK = 13.5MHz SD 10-bit mode PCLK = 27MHz B5, C5, D5, E2, E5, E6, E7, F5, F6, F7, G9, J8 CORE_GND Non Synchronous Input Power Ground connection for the digital core logic. Connect to digital GND. C6, C7, C8 PD_GND Analog Input Power Ground connection for the phase detector. Connect to analog GND. B7 CP_RES – Input Charge pump current setting resistor. B8, B9 VCO_GND Analog Output Power Ground pins for the VCO. B10 CP_GND Analog Input Power Ground pin for the charge pump and PLL. C4 V/VSYNC Synchronous with PCLK Input PARALLEL DATA TIMING Signal levels are LVCMOS/LVTTL compatible. TIM_861 = LOW: The V signal is used to indicate the portion of the video field/frame that is used for vertical blanking, when DETECT_TRS is set LOW. The V signal should be set HIGH for the entire vertical blanking period and should be set LOW for all lines outside of the vertical blanking interval. The V signal is ignored when DETECT_TRS = HIGH. TIM_861 = HIGH: The VSYNC signal indicates vertical timing. See Section 4.3.1 for timing details. The VSYNC signal is ignored when DETECT_TRS = HIGH. C9, D9, E9, F9 CD_GND Analog Input Power Ground connection for the serial digital cable driver. Connect to analog GND. C10, D10 SDO, SDO Analog Output Serial digital output signal operating at 1.485Gb/s, 1.485/1.001Gb/s, or 270Mb/s. The slew rate of these outputs is automatically controlled to meet SMPTE 292M and 259M requirements according to the setting of the SD/HD pin. Serial digital output signal from the internal cable driver. NOTE: The SDO/SDO output signals will be set to high impedance when RESET = LOW. Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description |
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