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GS9092A Datasheet(PDF) 9 Page - Semtech Corporation |
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GS9092A Datasheet(HTML) 9 Page - Semtech Corporation |
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9 / 61 page  GS9092A GenLINX® III 270Mb/s Serializer for SDI and DVB-ASI Final Data Sheet 34715 - 5 February 2013 9 of 61 23, 25, 26STAT[2:0] Synchronous with PCLK or WR_CLK Input/ Output MULTI FUNCTION I/O PORT Signal levels are LVCMOS / LVTTL compatible. Programmable multi-function I/O. By programming the bits in the IO_CONFIG register, each pin can act as an output for one of the following signals: •H •V •F • FIFO_FULL • FIFO_EMPTY Each pin may also act as an input for an external H, V, or F signal if the DETECT_TRS pin is set LOW by the application layer These pins are set to certain default values depending on the configuration of the device and the internal FIFO mode selected. See Programmable Multi-function I/O on page 49 for details. 24, 28, 42 IO_GND Non Synchronous Input Power Ground connection for digital I/O. Connect to GND. 30 WR_CLK Input FIFO WRITE CLOCK Signal levels are LVCMOS / LVTTL compatible. The application layer clocks the parallel data into the device on the rising edge of WR_CLK when the internal FIFO is configured for video mode or DVB-ASI mode. Note: If this pin is unused it should be pulled up to GND. 31 WR_RESET Synchronous with WR_CLK Input FIFO WRITE RESET Signal levels are LVCMOS / LVTTL compatible. Valid input only when the device is in SMPTE mode (SMPTE_BYPASS = HIGH, DVB-ASI = LOW) and the internal FIFO is configured for video mode (Video Mode on page 26). A HIGH to LOW transition will reset the FIFO write pointer to address zero of the memory. Note: If this pin is unused it should be pulled up to GND. 32 - 41 DIN[9:0] Synchronous with WR_CLK or PCLK Input PARALLEL VIDEO DATA BUS Signal levels are LVCMOS / LVTTL compatible. When the internal FIFO is enabled and configured for either video mode or DVB-ASI mode, parallel data will be clocked into the device on the rising edge of WR_CLK. When the internal FIFO is in bypass mode, parallel data will be clocked into the device on the rising edge of PCLK. DIN9 is the MSB and DIN0 is the LSB. 44 PCLK Input PIXEL CLOCK INPUT Signal levels are LVCMOS / LVTTL compatible. 27MHz parallel clock input. 46 RSV – – Reserved. Do Not Connect. Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description |
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