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SBAU337–May 2020
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Serial Interface Register Maps
Table 2-1481. Register 205 Field Descriptions
Bit Field Type Reset Description
7-0
RX_DDC_BAND1_
NCO1_FMULT[15:
8]
R/W 0h
Frequency shift corresponding to the fcw of nco1 of band1,
expressed in kHz, less the closest multiple of Fadc/16. Value
programmed here should correspond to the nco1 fcw of
band1, and should be a value between [-Fadc/32 and
+Fadc/32].
The System Configuration Macros automatically compute and
configure this, and are hence strongly recommended.
2.13.57 Register 206h (offset = 206h) [reset = 0h]
Figure 2-1469. Register 206h
7 6 5 4 3 2 1 0
RX_DDC_BAND1_NCO1_FMULT[21:16]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1482. Register 206 Field Descriptions
Bit Field Type Reset Description
5-0
RX_DDC_BAND1_
NCO1_FMULT[21:
16]
R/W 0h
Frequency shift corresponding to the fcw of nco1 of band1,
expressed in kHz, less the closest multiple of Fadc/16. Value
programmed here should correspond to the nco1 fcw of
band1, and should be a value between [-Fadc/32 and
+Fadc/32].
The System Configuration Macros automatically compute and
configure this, and are hence strongly recommended.
2.13.58 Register 240h (offset = 240h) [reset = 0h]
Figure 2-1470. Register 240h
7 6 5 4 3 2 1 0
RX_DDC_BAND1_NCO0_FRAC_FCW_NUM[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1483. Register 240 Field Descriptions
Bit Field Type Reset Description
7-0
RX_DDC_BAND1_
NCO0_FRAC_FC
W_NUM[7:0]
R/W 0h
Numerator of the fractional fequency control word for nco0 of
band1. Signed number.
2.13.59 Register 241h (offset = 241h) [reset = 0h]
Figure 2-1471. Register 241h
7 6 5 4 3 2 1 0
RX_DDC_BAND1_NCO0_FRAC_FCW_NUM[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
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