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CC1100-RTR1 Scheda tecnica(PDF) 83 Page - Texas Instruments |
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CC1100-RTR1 Scheda tecnica(HTML) 83 Page - Texas Instruments |
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83 / 100 page ![]() CC1100 SWRS038D Page 83 of 92 0x24: FSCAL2 – Frequency Synthesizer Calibration Bit Field Name Reset R/W Description 7:6 Reserved R0 5 VCO_CORE_H_EN 0 R/W Choose high (1) / low (0) VCO 4:0 FSCAL2[4:0] 10 (0x0A) R/W Frequency synthesizer calibration result register. VCO current calibration result and override value Fast frequency hopping without calibration for each hop can be done by calibrating upfront for each frequency and saving the resulting FSCAL3, FSCAL2 and FSCAL1 register values. Between each frequency hop, calibration can be replaced by writing the FSCAL3, FSCAL2 and FSCAL1 register values corresponding to the next RF frequency. 0x25: FSCAL1 – Frequency Synthesizer Calibration Bit Field Name Reset R/W Description 7:6 Reserved R0 5:0 FSCAL1[5:0] 32 (0x20) R/W Frequency synthesizer calibration result register. Capacitor array setting for VCO coarse tuning. Fast frequency hopping without calibration for each hop can be done by calibrating upfront for each frequency and saving the resulting FSCAL3, FSCAL2 and FSCAL1 register values. Between each frequency hop, calibration can be replaced by writing the FSCAL3, FSCAL2 and FSCAL1 register values corresponding to the next RF frequency. 0x26: FSCAL0 – Frequency Synthesizer Calibration Bit Field Name Reset R/W Description 7 Reserved R0 6:0 FSCAL0[6:0] 13 (0x0D) R/W Frequency synthesizer calibration control. The value to use in this register is given by the SmartRF® Studio software [7]. 0x27: RCCTRL1 – RC Oscillator Configuration Bit Field Name Reset R/W Description 7 Reserved 0 R0 6:0 RCCTRL1[6:0] 65 (0x41) R/W RC oscillator configuration. 0x28: RCCTRL0 – RC Oscillator Configuration Bit Field Name Reset R/W Description 7 Reserved 0 R0 6:0 RCCTRL0[6:0] 0 (0x00) R/W RC oscillator configuration. |
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