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XRT71D04 Datasheet(PDF) 18 Page - Exar Corporation |
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XRT71D04 Datasheet(HTML) 18 Page - Exar Corporation |
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XRT71D04 áç áç áç áç 4 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR, STS-1 TO DS3 DESYNCHRONIZER REV. 1.1.1 17 2.0 OPERATING MODES 2.1 HARDWARE MODE The HOST pin is used to select the operating mode of the XRT71D04. In Hardware mode (connect this pin to ground), the serial processor interface is disabled and hard-wired pins are used to control configuration and report status. 2.2 HOST MODE: In Host mode (connect this pin to VDD), the serial port interface pins are used to control configuration and status report. In this mode, serial interface pins : SDI, SDO,SCLK and CS are used. A listing of these Command Registers, their Address- es, and their bit-formats are listed below in Table 4. TABLE 2: XRT71D04 MAXIMUM JITTER TOLERANCE APPLICATION DS3 E3 STS-1 FIFO SIZE 16 32 16 32 16 32 FREQ. (HZ) UI (PEAK TO PEAK)UI (PEAK TO PEAK)UI (PEAK TO PEAK) 10 34.313 >64 26.689 53.313 20 21.439 43.188 18.564 37.438 30 18.314 36.813 16.689 33.938 40 16.939 34.313 16.064 32.688 50 16.314 33.188 15.689 32.063 60 16.064 32.563 15.564 31.689 80 15.689 31.814 15.314 31.314 100 15.439 31.439 15.314 31.189 125 15.439 31.314 15.189 31.064 150 15.314 31.189 15.189 31.064 200 15.314 31.064 15.189 30.939 300 15.189 30.939 15.064 30.939 500 15.189 30.939 15.064 30.939 >1000 15.0189 30.939 15.189 30.939 TABLE 3: FUNCTIONS OF DUAL MODE PINS IN HARDWARE MODE CONFIGURATION PIN #PIN NAME FUNCTION, WHILE IN THE HARDWARE MODE 25 DJA0/SCLK DJA0 37 DJA2/(CS)DJA2 77 DJA1/(SDI) DJA1 |
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