ADC JESD Register Map
395
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
Table 2-531. Register 44 Field Descriptions
Bit
Field
Type
Reset
Description
7-5
0
R/W
0h
Must read or write 0
4-0
FB_ROOT_CLK_DI
V_M
R/W
2h
M value of root divider.
Output of this divider goes to ddc and jesd clock dividers
2.5.31 Register 45h (offset = 45h) [reset = 2h]
Figure 2-527. Register 45h
7
6
5
4
3
2
1
0
0
0
0
FB_ROOT_CLK_DIV_N_M1
R/W-0h
R/W-0h
R/W-0h
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-532. Register 45 Field Descriptions
Bit
Field
Type
Reset
Description
7-5
0
R/W
0h
Must read or write 0
4-0
FB_ROOT_CLK_DI
V_N_M1
R/W
2h
N value of root divider.
Output of this divider goes to ddc and jesd clock dividers
2.5.32 Register 46h (offset = 46h) [reset = 1h]
Figure 2-528. Register 46h
7
6
5
4
3
2
1
0
0
0
0
DDC_RD_CLK_RX1_DIV_M
R/W-0h
R/W-0h
R/W-0h
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-533. Register 46 Field Descriptions
Bit
Field
Type
Reset
Description
7-5
0
R/W
0h
Must read or write 0
4-0
DDC_RD_CLK_RX
1_DIV_M
R/W
1h
M value of ddc divider.
Output of this divider, clock frequency should match the
RXA/RXC interface rate
2.5.33 Register 47h (offset = 47h) [reset = 0h]
Figure 2-529. Register 47h
7
6
5
4
3
2
1
0
0
0
0
DDC_RD_CLK_RX1_DIV_N_M1
R/W-0h
R/W-0h
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-534. Register 47 Field Descriptions
Bit
Field
Type
Reset
Description
7-5
0
R/W
0h
Must read or write 0
4-0
DDC_RD_CLK_RX
1_DIV_N_M1
R/W
0h
N-1 value of ddc divider.
Output of this divider, clock frequency should match the
RXA/RXC interface rate