ADC JESD Register Map
405
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
Table 2-556. Register 63 Field Descriptions
Bit
Field
Type
Reset
Description
7-1
0
R/W
0h
Must read or write 0
0-0
CFG_RX_LFSR_L
OAD
R/W
0h
when set to 1, CFG_RX_LFSR_SEED_VAL is used as seed
for all rx M/N dividers
2.5.56 Register 64h (offset = 64h) [reset = 0h]
Figure 2-552. Register 64h
7
6
5
4
3
2
1
0
CFG_FB_LFSR_SEED_VAL[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-557. Register 64 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
CFG_FB_LFSR_S
EED_VAL[7:0]
R/W
0h
When cfg_fb_lfsr_load is 1, this spi value is used as LFSR
seed for all fb M/N dividers
2.5.57 Register 65h (offset = 65h) [reset = 0h]
Figure 2-553. Register 65h
7
6
5
4
3
2
1
0
CFG_FB_LFSR_SEED_VAL[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-558. Register 65 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
CFG_FB_LFSR_S
EED_VAL[15:8]
R/W
0h
When cfg_fb_lfsr_load is 1, this spi value is used as LFSR
seed for all fb M/N dividers
2.5.58 Register 66h (offset = 66h) [reset = 0h]
Figure 2-554. Register 66h
7
6
5
4
3
2
1
0
CFG_FB_LFSR_SEED_VAL[23:16]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-559. Register 66 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
CFG_FB_LFSR_S
EED_VAL[23:16]
R/W
0h
When cfg_fb_lfsr_load is 1, this spi value is used as LFSR
seed for all fb M/N dividers