FUNC_LDO Registers
58
SLVUAH1C – June 2015 – Revised April 2017
Copyright © 2015–2017, Texas Instruments Incorporated
Register Descriptions
3.4.11 LDO_PD_CTRL1 Register (Address = 16Bh) [reset = 83h]
LDO_PD_CTRL1 is shown in
and described in
.
Return to
LDO Pull-Down enable register #1
RESET register domain: HWRST
NOTES:
LDO pull-down enable register bits validate the control of the active discharge of each power resource to
fulfill the turn-off timing requirements.
When a pull-down is not enabled, there is always a weak pull-down present at the output of the power
resource, so that the device restarts correctly at the next power-up sequence.
Figure 3-47. LDO_PD_CTRL1 Register
7
6
5
4
3
2
1
0
LDO4
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
LDO2
LDO1
R/W-1h
R-0h
R-0h
R-0h
R-0h
R-0h
R/W-1h
R/W-1h
Table 3-51. LDO_PD_CTRL1 Register Field Descriptions
Bit
Field
Type
Reset
Description
7
LDO4
R/W
1h
0: Pull-Down is disable
1: Pull-Down is enabled when LDO4 is in OFF state
6
RESERVED
R
0h
5
RESERVED
R
0h
4
RESERVED
R
0h
3
RESERVED
R
0h
2
RESERVED
R
0h
1
LDO2
R/W
1h
0: Pull-Down is disable
1: Pull-Down is enabled when LDO2 is in OFF state
0
LDO1
R/W
1h
0: Pull-Down is disable
1: Pull-Down is enabled when LDO1 is in OFF state