Texas Instruments AFE79 Series - 2.12.50 Register 220 h (offset = 220 h) [reset = 0 h]; 2.12.51 Register 221 h (offset = 221 h) [reset = 0 h]; 2.12.52 Register 222 h (offset = 222 h) [reset = 0 h]

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Serial Interface Register Maps
2.12.50 Register 220h (offset = 220h) [reset = 0h]
Figure 2-1253. Register 220h
7 6 5 4 3 2 1 0
TX_DUC_BAND1_MIXER1_NCO0_FRAC_FCW_NUM[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1265. Register 220 Field Descriptions
Bit Field Type Reset Description
7-0
TX_DUC_BAND1_
MIXER1_NCO0_F
RAC_FCW_NUM[7
:0]
R/W 0h
Numerator of the fractional fequency control word for nco0 of
Band1 in Mixer 1. Signed number.
2.12.51 Register 221h (offset = 221h) [reset = 0h]
Figure 2-1254. Register 221h
7 6 5 4 3 2 1 0
TX_DUC_BAND1_MIXER1_NCO0_FRAC_FCW_NUM[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1266. Register 221 Field Descriptions
Bit Field Type Reset Description
7-0
TX_DUC_BAND1_
MIXER1_NCO0_F
RAC_FCW_NUM[1
5:8]
R/W 0h
Numerator of the fractional fequency control word for nco0 of
Band1 in Mixer 1. Signed number.
2.12.52 Register 222h (offset = 222h) [reset = 0h]
Figure 2-1255. Register 222h
7 6 5 4 3 2 1 0
TX_DUC_BAND1_MIXER1_NCO0_FRAC_FCW_DEN[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1267. Register 222 Field Descriptions
Bit Field Type Reset Description
7-0
TX_DUC_BAND1_
MIXER1_NCO0_F
RAC_FCW_DEN[7:
0]
R/W 0h
Denominator of the fractional fequency control word for nco0
of Band1 in Mixer1. Unsigned number.