Texas Instruments AFE79 Series - 2.14.56 Register 14 Ah (offset = 14 Ah) [reset = 0 h]; 2.14.57 Register 14 Bh (offset = 14 Bh) [reset = 2 Dh]; 2.14.58 Register 14 Ch (offset = 14 Ch) [reset = 0 h]

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Serial Interface Register Maps
2.14.56 Register 14Ah (offset = 14Ah) [reset = 0h]
Figure 2-1939. Register 14Ah
7 6 5 4 3 2 1 0
FB_DDC_NCO2_FRAC_FCW_DEN[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1953. Register 14A Field Descriptions
Bit Field Type Reset Description
7-0
FB_DDC_NCO2_F
RAC_FCW_DEN[7:
0]
R/W 0h
Denominator of the fractional fequency control word for nco2.
Unsigned number.
System Configuration macros compute and configure this
automatically and hence are strongly recommended.
2.14.57 Register 14Bh (offset = 14Bh) [reset = 2Dh]
Figure 2-1940. Register 14Bh
7 6 5 4 3 2 1 0
FB_DDC_NCO2_FRAC_FCW_DEN[15:8]
R/W-2Dh
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1954. Register 14B Field Descriptions
Bit Field Type Reset Description
7-0
FB_DDC_NCO2_F
RAC_FCW_DEN[1
5:8]
R/W 2Dh
Denominator of the fractional fequency control word for nco2.
Unsigned number.
System Configuration macros compute and configure this
automatically and hence are strongly recommended.
2.14.58 Register 14Ch (offset = 14Ch) [reset = 0h]
Figure 2-1941. Register 14Ch
7 6 5 4 3 2 1 0
FB_DDC_NCO3_FRAC_FCW_NUM[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1955. Register 14C Field Descriptions
Bit Field Type Reset Description
7-0
FB_DDC_NCO3_F
RAC_FCW_NUM[7
:0]
R/W 0h
Numerator of the fractional fequency control word for nco3.
Signed number.
System Configuration macros compute and configure this
automatically and hence are strongly recommended.