Texas Instruments AFE79 Series - 2.12.87 Register 401 h (offset = 401 h) [reset = 0 h]; 2.12.88 Register 402 h (offset = 402 h) [reset = 0 h]; 2.12.89 Register 403 h (offset = 403 h) [reset = 8 h]; 2.12.90 Register 404 h (offset = 404 h) [reset = 0 h]

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Serial Interface Register Maps
2.12.87 Register 401h (offset = 401h) [reset = 0h]
Figure 2-1290. Register 401h
7 6 5 4 3 2 1 0
TX_DUC_MIXER2_NCO0_FRAC_FCW_NUM[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1302. Register 401 Field Descriptions
Bit Field Type Reset Description
7-0
TX_DUC_MIXER2
_NCO0_FRAC_FC
W_NUM[15:8]
R/W 0h
Numerator of the fractional fequency control word for nco0 in
Mixer 2. Signed number.
2.12.88 Register 402h (offset = 402h) [reset = 0h]
Figure 2-1291. Register 402h
7 6 5 4 3 2 1 0
TX_DUC_MIXER2_NCO0_FRAC_FCW_DEN[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1303. Register 402 Field Descriptions
Bit Field Type Reset Description
7-0
TX_DUC_MIXER2
_NCO0_FRAC_FC
W_DEN[7:0]
R/W 0h
Denominator of the fractional fequency control word for nco0
in Mixer2. Unsigned number.
2.12.89 Register 403h (offset = 403h) [reset = 8h]
Figure 2-1292. Register 403h
7 6 5 4 3 2 1 0
TX_DUC_MIXER2_NCO0_FRAC_FCW_DEN[15:8]
R/W-8h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1304. Register 403 Field Descriptions
Bit Field Type Reset Description
7-0
TX_DUC_MIXER2
_NCO0_FRAC_FC
W_DEN[15:8]
R/W 8h
Denominator of the fractional fequency control word for nco0
in Mixer2. Unsigned number.
2.12.90 Register 404h (offset = 404h) [reset = 0h]
Figure 2-1293. Register 404h
7 6 5 4 3 2 1 0
TX_DUC_MIXER2_NCO1_FRAC_FCW_NUM[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset