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CC1050-RTR1 数据表(PDF) 36 Page - Texas Instruments |
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CC1050-RTR1 数据表(HTML) 36 Page - Texas Instruments |
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36 / 40 page  CC1050 SWRS044 Page 36 of 40 TEST6 Register (for test only, 40h) REGISTER NAME Default value Active Description TEST6[7] LOOPFILTER_TP1 0 - 1 : Select testpoint 1 to CHP_OUT 0 : CHP_OUT tied to GND TEST6 [6] LOOPFILTER_TP2 0 - 1 : Select testpoint 2 to CHP_OUT 0 : CHP_OUT tied to GND TEST6 [5] CHP_OVERRIDE 0 - 1 : use CHP_CO[4:0] value 0 : use calibrated value TEST6[4:0] CHP_CO[4:0] 10000 - Charge_Pump Current DAC override value TEST5 Register (for test only, 41h) REGISTER NAME Default value Active Description TEST5[7:6] - - - Not used TEST5[5] CHP_DISABLE 0 - 1 : CHP up and down pulses disabled 0 : normal operation TEST5[4] VCO_OVERRIDE 0 - 1 : use VCO_AO[3:0] value 0 : use calibrated value TEST5[3:0] VCO_AO[3:0] 1000 - VCO_ARRAY override value TEST4 Register (for test only, 42h) REGISTER NAME Default value Active Description TEST4[7:6] - - - Not used TEST4[5:0] L2KIO[5:0] 100101 h Constant setting charge pump current scaling/rounding factor. Sets Bandwidth of PLL. Use 3Fh for 38.4 and 76.8 kBaud TEST3 Register (for test only, 43h) REGISTER NAME Default value Active Description TEST3[7:5] - - - Not used TEST3[4] BREAK_LOOP 0 - 1 : PLL loop open 0 : PLL loop closed TEST3[3:0] CAL_DAC_OPEN 0100 - Calibration DAC override value, active when BREAK_LOOP =1 TEST2 Register (for test only, 44h) REGISTER NAME Default value Active Description TEST2[7:5] - - - Not used TEST2[4:0] CHP_CURRENT [4:0] - - Status vector defining applied CHP_CURRENT value TEST1 Register (for test only, 45h) REGISTER NAME Default value Active Description TEST1[7:4] - - - Not used TEST1[3:0] CAL_DAC[3:0] - - Status vector defining applied Calibration DAC value TEST0 Register (for test only, 46h) REGISTER NAME Default value Active Description TEST0[7:4] - - - Not used TEST0[3:0] VCO_ARRAY[3:0] - - Status vector defining applied VCO_ARRAY value Not Recommended for New Designs |
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