FB Top Register Map
864
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
2.14.14 Register A4h (offset = A4h) [reset = 0h]
Figure 2-1897. Register A4h
7
6
5
4
3
2
1
0
FB_DDC_NCO1_FCW[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1911. Register A4 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
FB_DDC_NCO1_F
CW[7:0]
R/W
0h
Frequency control word (FCW) for nco1.
The System Configuration Macros automatically configure this.
2.14.15 Register A5h (offset = A5h) [reset = 0h]
Figure 2-1898. Register A5h
7
6
5
4
3
2
1
0
FB_DDC_NCO1_FCW[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1912. Register A5 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
FB_DDC_NCO1_F
CW[15:8]
R/W
0h
Frequency control word (FCW) for nco1.
The System Configuration Macros automatically configure this.
2.14.16 Register A6h (offset = A6h) [reset = 0h]
Figure 2-1899. Register A6h
7
6
5
4
3
2
1
0
FB_DDC_NCO1_FCW[23:16]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1913. Register A6 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
FB_DDC_NCO1_F
CW[23:16]
R/W
0h
Frequency control word (FCW) for nco1.
The System Configuration Macros automatically configure this.
2.14.17 Register A7h (offset = A7h) [reset = 0h]
Figure 2-1900. Register A7h
7
6
5
4
3
2
1
0
FB_DDC_NCO1_FCW[31:24]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset