FB Top Register Map
869
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
Table 2-1928. Register E5 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
FB_DDC_NCO2_P
HASE_OFFSET[15
:8]
R/W
0h
Offset phase for nco2
2.14.32 Register E6h (offset = E6h) [reset = 0h]
Figure 2-1915. Register E6h
7
6
5
4
3
2
1
0
FB_DDC_NCO3_PHASE_OFFSET[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1929. Register E6 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
FB_DDC_NCO3_P
HASE_OFFSET[7:
0]
R/W
0h
Offset phase for nco3
2.14.33 Register E7h (offset = E7h) [reset = 0h]
Figure 2-1916. Register E7h
7
6
5
4
3
2
1
0
FB_DDC_NCO3_PHASE_OFFSET[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1930. Register E7 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
FB_DDC_NCO3_P
HASE_OFFSET[15
:8]
R/W
0h
Offset phase for nco3
2.14.34 Register 100h (offset = 100h) [reset = 0h]
Figure 2-1917. Register 100h
7
6
5
4
3
2
1
0
FB_DDC_NCO0_FMULT[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1931. Register 100 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
FB_DDC_NCO0_F
MULT[7:0]
R/W
0h
Frequency shift corresponding to the fcw of nco0, 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.