Texas Instruments AFE79 Series - 2.13.14 Register A1 h (offset = A1 h) [reset = 0 h]; 2.13.15 Register A2 h (offset = A2 h) [reset = 0 h]; 2.13.16 Register A3 h (offset = A3 h) [reset = 0 h]; 2.13.17 Register A4 h (offset = A4 h) [reset = 0 h]

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Serial Interface Register Maps
2.13.14 Register A1h (offset = A1h) [reset = 0h]
Figure 2-1426. Register A1h
7 6 5 4 3 2 1 0
RX_DDC_BAND0_NCO0_FCW[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1439. Register A1 Field Descriptions
Bit Field Type Reset Description
7-0
RX_DDC_BAND0_
NCO0_FCW[15:8]
R/W 0h
Frequency control word (FCW) for nco0 of band0.
The System Configuration Macros automatically configure this.
2.13.15 Register A2h (offset = A2h) [reset = 0h]
Figure 2-1427. Register A2h
7 6 5 4 3 2 1 0
RX_DDC_BAND0_NCO0_FCW[23:16]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1440. Register A2 Field Descriptions
Bit Field Type Reset Description
7-0
RX_DDC_BAND0_
NCO0_FCW[23:16]
R/W 0h
Frequency control word (FCW) for nco0 of band0.
The System Configuration Macros automatically configure this.
2.13.16 Register A3h (offset = A3h) [reset = 0h]
Figure 2-1428. Register A3h
7 6 5 4 3 2 1 0
RX_DDC_BAND0_NCO0_FCW[31:24]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1441. Register A3 Field Descriptions
Bit Field Type Reset Description
7-0
RX_DDC_BAND0_
NCO0_FCW[31:24]
R/W 0h
Frequency control word (FCW) for nco0 of band0.
The System Configuration Macros automatically configure this.
2.13.17 Register A4h (offset = A4h) [reset = 0h]
Figure 2-1429. Register A4h
7 6 5 4 3 2 1 0
RX_DDC_BAND0_NCO1_FCW[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset