NXP Semiconductors K22F series User Manual

12.2.1 System Options Register 1 (SIM_SOPT1)
NOTE
The SOPT1 register is only reset on POR or LVD.
Address: 4004_7000h base + 0h offset = 4004_7000h
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
USBREGEN
USBSSTBY USBVSTBY
0
OSC32KSEL OSC32KOUT
W
Reset
1* 0* 0* 0* 0* 0* 0* 0* 0* 0* 0* 0* 0* 0* 0* 0*
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
RAMSIZE 0
Reserved
W
Reset
x* x* x* x* 0* 0* 0* 0* 0* 0* x* x* x* x* x* x*
* Notes:
x = Undefined at reset.•
SIM_SOPT1 field descriptions
Field Description
31
USBREGEN
USB voltage regulator enable
Controls whether the USB voltage regulator is enabled.
0 USB voltage regulator is disabled.
1 USB voltage regulator is enabled.
30
USBSSTBY
USB voltage regulator in standby mode during Stop, VLPS, LLS and VLLS modes.
Controls whether the USB voltage regulator is placed in standby mode during Stop, VLPS, LLS and VLLS
modes.
0 USB voltage regulator not in standby during Stop, VLPS, LLS and VLLS modes.
1 USB voltage regulator in standby during Stop, VLPS, LLS and VLLS modes.
Table continues on the next page...
Chapter 12 System Integration Module (SIM)
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 261

NXP Semiconductors K22F series Specifications

General

Brand	NXP Semiconductors
Model	K22F series
Category	Controller
Language	English