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CC1020-RTR1 Datenblatt(PDF) 84 Page - Texas Instruments |
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CC1020-RTR1 Datenblatt(HTML) 84 Page - Texas Instruments |
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84 / 91 page ![]() CC1020 SWRS046 Page 84 of 92 AFC Register (43h, read only) REGISTER NAME Default value Active Description AFC[7 :0] AFC[7:0] - - Average received frequency deviation from IF. This 8-bit 2- complement signed value equals the demodulator decision level and can be used for AFC. The average frequency offset from the IF frequency is ∆F = Baud rate · AFC / 16 GAUSS_FILTER Register (44h) REGISTER NAME Default value Active Description GAUSS_FILTER[7 :0] GAUSS_FILTER[7:0] - - Readout of instantaneous IF frequency offset from nominal IF. Signed 8-bit value. ∆F = Baud rate · GAUSS_FILTER / 8 STATUS1 Register (45h, for test only) REGISTER NAME Default value Active Description STATUS1[7:4] CAL_DAC[3:0] - - Status vector defining applied Calibration DAC value STATUS1[3:0] CHP_CURRENT[3:0] - - Status vector defining applied CHP_CURRENT value STATUS2 Register (46h, for test only) REGISTER NAME Default value Active Description STATUS2[7 :5] CC1020_VERSION[2 :0] - - CC1020 version code : 0 : Pre-production version 1: First production version 2-7: Reserved for future use STATUS2[4:0] VCO_ARRAY[4:0] - - Status vector defining applied VCO_ARRAY value STATUS3 Register (47h, for test only) REGISTER NAME Default value Active Description STATUS3[7] F_COMP - - Frequency comparator output from phase detector STATUS3[6] VCO_CAL_COMP - - Readout of VCO current calibration comparator. Equals 1 if current defined by VCO_CURRENT_A/B is larger than the VCO core current STATUS3[5:0] VCO_CAL_CURRENT[5:0] - - Status vector defining applied VCO_CAL_CURRENT value STATUS4 Register (48h, for test only) REGISTER NAME Default value Active Description STATUS4[7:6] ADC_MIX[1:0] - - Readout of mixer input to ADC STATUS4[5:3] ADC_I[2:0] - - Readout of ADC “I” output STATUS4[2:0] ADC_Q[2:0] - - Readout of ADC “Q” output STATUS5 Register (49h, for test only) REGISTER NAME Default value Active Description STATUS5[7:0] FILTER_I[7:0] - - Upper bits of “I” output from channel filter STATUS6 Register (4Ah, for test only) REGISTER NAME Default value Active Description STATUS6[7 :0] FILTER_Q[7 :0] - - Upper bits of “Q” output from channel filter |
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