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CC1021 bảng dữ liệu(PDF) 83 Page - Texas Instruments

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tên linh kiện CC1021
Giải thích chi tiết về linh kiện  Single Chip Low Power RF Transceiver for Narrowband Systems
PDF  94 Pages
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CC1021 bảng dữ liệu(HTML) 83 Page - Texas Instruments

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CC1021
SWRS045C
Page 83 of 87
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]
CC1021_VERSION[2:0]
-
-
CC1021 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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