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GS9060-CF Datasheet(PDF) 9 Page - Gennum Corporation |
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GS9060-CF Datasheet(HTML) 9 Page - Gennum Corporation |
9 / 61 page GS9060 Data Sheet 22208 - 8 January 2007 9 of 61 28 SDOUT_TDO Synchronous with SCLK_TCK Output CONTROL SIGNAL OUTPUT Signal levels are LVCMOS/LVTTL compatible. Serial Data Output / Test Data Output Host Mode (JTAG/HOST = LOW) SDOUT_TDO operates as the host interface serial output, SDOUT, used to read status and configuration information from the internal registers of the device. JTAG Test Mode (JTAG/HOST = HIGH) SDOUT_TDO operates as the JTAG test data output, TDO. 29 SDIN_TDI Synchronous with SCLK_TCK Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Serial Data In / Test Data Input Host Mode (JTAG/HOST = LOW) SDIN_TDI operates as the host interface serial input, SDIN, used to write address and configuration information to the internal registers of the device. JTAG Test Mode (JTAG/HOST = HIGH) SDIN_TDI operates as the JTAG test data input, TDI. NOTE: If the host interface is not being used, tie this pin HIGH. 30 SCLK_TCK Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Serial Data Clock / Test Clock. Host Mode (JTAG/HOST = LOW) SCLK_TCK operates as the host interface burst clock, SCLK. Command and data read/write words are clocked into the device synchronously with this clock. JTAG Test Mode (JTAG/HOST = HIGH) SCLK_TCK operates as the JTAG test clock, TCK. NOTE: If the host interface is not being used, tie this pin HIGH. 31 DATA_ERROR Synchronous with PCLK Output STATUS SIGNAL OUTPUT Signal levels are LVCMOS/LVTTL compatible. The DATA_ERROR signal will be LOW when an error within the received data stream has been detected by the device. This pin is a logical 'OR'ing of all detectable errors listed in the internal ERROR_STATUS register. Once an error is detected, DATA_ERROR will remain LOW until the start of the next video frame / field, or until the ERROR_STATUS register is read via the host interface. The DATA_ERROR signal will be HIGH when the received data stream has been detected without error. NOTE: It is possible to program which error conditions are monitored by the device by setting appropriate bits of the ERROR_MASK register HIGH. All error conditions are detected by default. 32 FIFO_LD Synchronous with PCLK Output CONTROL SIGNAL OUTPUT Signal levels are LVCMOS/LVTTL compatible. Used as a control signal for external FIFO(s). Normally HIGH but will go LOW for one PCLK period at SAV. Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description |
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