PLL Register Map
156
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
2.2.16 Register 71h (offset = 71h) [reset = 0h]
Figure 2-39. Register 71h
7
6
5
4
3
2
1
0
SYSREF_PULSE_CNT_FB
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-41. Register 71 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
LCMGEN_DIV[7:0]
R/W
0h
Number of sysref pulses leak to FB.
2.2.17 Register 72h (offset = 72h) [reset = 0h]
Figure 2-40. Register 72h
7
6
5
4
3
2
1
0
SYSREF_PULSE_CNT_DIG
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-42. Register 72 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
LCMGEN_DIV[7:0]
R/W
0h
Number of sysref pulses leak to DIGITAL.
2.2.18 Register 84h (offset = 84h) [reset = 0h]
Figure 2-41. Register 84h
7
6
5
4
3
2
1
0
CTL_LDOVCO_FBRES
CTL_LDOVCO_VREF
LDOVCO_FOR
CE_OUTTOVD
D
reserved
reserved
reserved
R/W-0h
R/W-0h
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 2-43. Register 84 Field Descriptions
Bit
Field
Type
Reset
Description
7-6
CTL_LDOVCO_FB
RES
R/W
0h
VFB_RES prog: resistance res(reg_value) is in the following
order with respect to the register value.
res(1) > res(0) > res(3) > res(2).
5-4
CTL_LDOVCO_VR
EF
R/W
0h
VREF LDO program. Voltage vol(reg_value) is in the following
order corresponding to the value of the register.
vol(2) > vol(3) > vol(0) > vol(1)
3-3
LDOVCO_FORCE
_OUTTOVDD
R/W
0h
force PLL_LDO_OUT to AVDD_1P8V_VCO
2-2
reserved
R/W
0h
1-1
reserved
R/W
0h
0-0
reserved
R/W
0h