FUNC_SMPS Registers
38
SLVUAH1C – June 2015 – Revised April 2017
Copyright © 2015–2017, Texas Instruments Incorporated
Register Descriptions
3.3.15 SMPS_PD_CTRL Register (Address = 145h) [reset = 5Bh]
SMPS_PD_CTRL is shown in
and described in
Return to
SMPS Pull-Down enable register.
RESET register domain: HWRST
Notes:
SMPS pull-down register bits validate the control of the active discharge of each power resource to full-fill
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 restart correctly at the next power-up sequence.
Figure 3-29. SMPS_PD_CTRL Register
7
6
5
4
3
2
1
0
RESERVED
SMPS5
RESERVED
SMPS4
SMPS3
RESERVED
SMPS2
SMPS1
R-0h
R/W-1h
R-0h
R/W-1h
R/W-1h
R-0h
R/W-1h
R/W-1h
Table 3-32. SMPS_PD_CTRL Register Field Descriptions
Bit
Field
Type
Reset
Description
7
RESERVED
R
0h
6
SMPS5
R/W
1h
0: Pull-down is disabled
1: Pull-down is enabled when SPMS5 is in OFF state (default)
5
RESERVED
R
0h
4
SMPS4
R/W
1h
0: Pull-down is disabled
1: Pull-down is enabled when SPMS4 is in OFF state (default)
3
SMPS3
R/W
1h
0: Pull-down is disabled
1: Pull-down is enabled when SPMS3 is in OFF state (default)
2
RESERVED
R
0h
1
SMPS2
R/W
1h
0: Pull-down is disabled
1: Pull-down is enabled when SPMS2 is in OFF state (default)
0
SMPS1
R/W
1h
0: Pull-down is disabled
1: Pull-down is enabled when SPMS1 is in OFF state (default)