TX Top Register Map
www.ti.com
658
SBAU337–May 2020
Submit Documentation Feedback
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
2.12.84 Register 3C5h (offset = 3C5h) [reset = 0h]
Figure 2-1287. Register 3C5h
7 6 5 4 3 2 1 0
TX_DUC_MIXER2_NCO1_FMULT[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1299. Register 3C5 Field Descriptions
Bit Field Type Reset Description
7-0
TX_DUC_MIXER2
_NCO1_FMULT[15
:8]
R/W 0h
Frequency shift corresponding to the fcw of nco1 in Mixer2,
expressed in kHz, modulo Fdac/16. Value programmed here
should correspond to the nco1 fcw, and should be a value
between 0 and Fdac/16.
The System Configuration Macros automatically and optimally
partition the overall center frequency between Mixer1 and
Mixer2, and are hence strongly recommended.
2.12.85 Register 3C6h (offset = 3C6h) [reset = 0h]
Figure 2-1288. Register 3C6h
7 6 5 4 3 2 1 0
TX_DUC_MIXER2_NCO1_FMULT[21:16]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1300. Register 3C6 Field Descriptions
Bit Field Type Reset Description
5-0
TX_DUC_MIXER2
_NCO1_FMULT[21
:16]
R/W 0h
Frequency shift corresponding to the fcw of nco1 in Mixer2,
expressed in kHz, modulo Fdac/16. Value programmed here
should correspond to the nco1 fcw, and should be a value
between 0 and Fdac/16.
The System Configuration Macros automatically and optimally
partition the overall center frequency between Mixer1 and
Mixer2, and are hence strongly recommended.
2.12.86 Register 400h (offset = 400h) [reset = 0h]
Figure 2-1289. Register 400h
7 6 5 4 3 2 1 0
TX_DUC_MIXER2_NCO0_FRAC_FCW_NUM[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1301. Register 400 Field Descriptions
Bit Field Type Reset Description
7-0
TX_DUC_MIXER2
_NCO0_FRAC_FC
W_NUM[7:0]
R/W 0h
Numerator of the fractional fequency control word for nco0 in
Mixer 2. Signed number.