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SBAU337–May 2020
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Serial Interface Register Maps
2.14.41 Register 109h (offset = 109h) [reset = 0h]
Figure 2-1924. Register 109h
7 6 5 4 3 2 1 0
FB_DDC_NCO2_FMULT[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1938. Register 109 Field Descriptions
Bit Field Type Reset Description
7-0
FB_DDC_NCO2_F
MULT[15:8]
R/W 0h
Frequency shift corresponding to the fcw of nco2, expressed
in kHz, modulo Fadc/16. Value programmed here should
correspond to the nco0 fcw, and should be a value between [0
and Fadc/16].
The System Configuration Macros automatically compute and
configure this, and are hence strongly recommended.
2.14.42 Register 10Ah (offset = 10Ah) [reset = 0h]
Figure 2-1925. Register 10Ah
7 6 5 4 3 2 1 0
FB_DDC_NCO2_FMULT[21:16]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1939. Register 10A Field Descriptions
Bit Field Type Reset Description
5-0
FB_DDC_NCO2_F
MULT[21:16]
R/W 0h
Frequency shift corresponding to the fcw of nco2, expressed
in kHz, modulo Fadc/16. Value programmed here should
correspond to the nco0 fcw, and should be a value between [0
and Fadc/16].
The System Configuration Macros automatically compute and
configure this, and are hence strongly recommended.
2.14.43 Register 10Ch (offset = 10Ch) [reset = 0h]
Figure 2-1926. Register 10Ch
7 6 5 4 3 2 1 0
FB_DDC_NCO3_FMULT[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1940. Register 10C Field Descriptions
Bit Field Type Reset Description
7-0
FB_DDC_NCO3_F
MULT[7:0]
R/W 0h
Frequency shift corresponding to the fcw of nco3, expressed
in kHz, modulo Fadc/16. Value programmed here should
correspond to the nco0 fcw, and should be a value between [0
and Fadc/16].
The System Configuration Macros automatically compute and
configure this, and are hence strongly recommended.
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