Texas Instruments AFE79 Series - 2.12.94 Register 446 h (offset = 446 h) [reset = 1 h]; 2.12.95 Register 447 h (offset = 447 h) [reset = 0 h]; 2.12.96 Register 460 h (offset = 460 h) [reset = 0 h]

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Serial Interface Register Maps
2.12.94 Register 446h (offset = 446h) [reset = 1h]
Figure 2-1297. Register 446h
7 6 5 4 3 2 1 0
TX_DUC_MIXE
R2_FMIXER_F
CWMODE
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1309. Register 446 Field Descriptions
Bit Field Type Reset Description
0-0
TX_DUC_MIXER2
_FMIXER_FCWMO
DE
R/W 1h
Selection between 1 kHz raster and 32-bit FCW for the Mixer2
NCOs
0: 1 kHz raster
1: 32-bit FCW mode
2.12.95 Register 447h (offset = 447h) [reset = 0h]
Figure 2-1298. Register 447h
7 6 5 4 3 2 1 0
TX_DUC_MIXE
R2_FMIXER_F
RAC_CORR_E
N
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1310. Register 447 Field Descriptions
Bit Field Type Reset Description
0-0
TX_DUC_MIXER2
_FMIXER_FRAC_
CORR_EN
R/W 0h
Enable fractional FCW mode in the Mixer2 NCO
0 : disable fractional correction
1 : enable fractional correction
2.12.96 Register 460h (offset = 460h) [reset = 0h]
Figure 2-1299. Register 460h
7 6 5 4 3 2 1 0
TX_DUC_INTE
RP2_PDN
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1311. Register 460 Field Descriptions
Bit Field Type Reset Description
0-0
TX_DUC_INTERP2
_PDN
R/W 0h
Power down control for the interpolator2 section of the DUC.
0: Don't power down
1: Power down
The System Configuration Macros optimally power down
different unused sections of the DUC, hence their use is
strongly recommended.