ADC JESD Register Map
398
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
2.5.40 Register 4Eh (offset = 4Eh) [reset = 1h]
Figure 2-536. Register 4Eh
7
6
5
4
3
2
1
0
0
0
0
JESD_CLK_RX2_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 2-541. Register 4E Field Descriptions
Bit
Field
Type
Reset
Description
7-5
0
R/W
0h
Must read or write 0
4-0
JESD_CLK_RX2_
DIV_M
R/W
1h
M value of jesd divider.
Output of this divider, clock frequency should match STX2/6
rate i.e. lane _rate/40 or lane_rate/33
2.5.41 Register 4Fh (offset = 4Fh) [reset = 0h]
Figure 2-537. Register 4Fh
7
6
5
4
3
2
1
0
0
0
0
JESD_CLK_RX2_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 2-542. Register 4F Field Descriptions
Bit
Field
Type
Reset
Description
7-5
0
R/W
0h
Must read or write 0
4-0
JESD_CLK_RX2_
DIV_N_M1
R/W
0h
N-1 value of jesd divider.
Output of this divider, clock frequency should match STX2/6
rate i.e. lane _rate/40 or lane_rate/33
2.5.42 Register 50h (offset = 50h) [reset = 1h]
Figure 2-538. Register 50h
7
6
5
4
3
2
1
0
0
0
0
JESD_CLK_FB_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 2-543. Register 50 Field Descriptions
Bit
Field
Type
Reset
Description
7-5
0
R/W
0h
Must read or write 0
4-0
JESD_CLK_FB_DI
V_M
R/W
1h
M value of jesd divider.
Output of this divider, clock frequency should match STX
3,4/7,8 rates i.e. lane _rate/40 or lane_rate/33