Texas Instruments AFE79 Series - 2.14.47 Register 141 h (offset = 141 h) [reset = 0 h]; 2.14.48 Register 142 h (offset = 142 h) [reset = 0 h]; 2.14.49 Register 143 h (offset = 143 h) [reset = 2 Dh]

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Serial Interface Register Maps
2.14.47 Register 141h (offset = 141h) [reset = 0h]
Figure 2-1930. Register 141h
7 6 5 4 3 2 1 0
FB_DDC_NCO0_FRAC_FCW_NUM[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1944. Register 141 Field Descriptions
Bit Field Type Reset Description
7-0
FB_DDC_NCO0_F
RAC_FCW_NUM[1
5:8]
R/W 0h
Numerator of the fractional fequency control word for nco0.
Signed number.
System Configuration macros compute and configure this
automatically and hence are strongly recommended.
2.14.48 Register 142h (offset = 142h) [reset = 0h]
Figure 2-1931. Register 142h
7 6 5 4 3 2 1 0
FB_DDC_NCO0_FRAC_FCW_DEN[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1945. Register 142 Field Descriptions
Bit Field Type Reset Description
7-0
FB_DDC_NCO0_F
RAC_FCW_DEN[7:
0]
R/W 0h
Denominator of the fractional fequency control word for nco0.
Unsigned number.
System Configuration macros compute and configure this
automatically and hence are strongly recommended.
2.14.49 Register 143h (offset = 143h) [reset = 2Dh]
Figure 2-1932. Register 143h
7 6 5 4 3 2 1 0
FB_DDC_NCO0_FRAC_FCW_DEN[15:8]
R/W-2Dh
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1946. Register 143 Field Descriptions
Bit Field Type Reset Description
7-0
FB_DDC_NCO0_F
RAC_FCW_DEN[1
5:8]
R/W 2Dh
Denominator of the fractional fequency control word for nco0.
Unsigned number.
System Configuration macros compute and configure this
automatically and hence are strongly recommended.