ST STM32L4 5 Series User Manual

Reset and clock control (RCC) RM0351
260/1830 DocID024597 Rev 5
Bit 31 LPTIM1SMEN: Low power timer 1 clocks enable during Sleep and Stop modes
Set and cleared by software.
0: LPTIM1 clocks disabled by the clock gating
(1)
during Sleep and Stop modes
1: LPTIM1 clocks enabled by the clock gating
(1)
during Sleep and Stop modes
Bit 30 OPAMPSMEN: OPAMP interface clocks enable during Sleep and Stop modes
Set and cleared by software.
0: OPAMP interface clocks disabled by the clock gating
(1)
during Sleep and Stop modes
1: OPAMP interface clocks enabled by the clock gating
(1)
during Sleep and Stop modes
Bit 29 DAC1SMEN: DAC1 interface clocks enable during Sleep and Stop modes
Set and cleared by software.
0: DAC1 interface clocks disabled by the clock gating
(1)
during Sleep and Stop modes
1: DAC1 interface clocks enabled by the clock gating
(1)
during Sleep and Stop modes
Bit 28 PWRSMEN: Power interface clocks enable during Sleep and Stop modes
Set and cleared by software.
0: Power interface clocks disabled by the clock gating
(1)
during Sleep and Stop modes
1: Power interface clocks enabled by the clock gating
(1)
during Sleep and Stop modes
Bit 27 Reserved, must be kept at reset value.
Bit 26 CAN2SMEN: CAN2 clocks enable during Sleep and Stop modes (This bit is reserved for
STM32L475xx/476xx/486xx devices)
Set and cleared by software
0: CAN2 clocks disabled by the clock gating(1) during Sleep and Stop modes
1: CAN2 clocks enabled by the clock gating(1) during Sleep and Stop modes
Bit 25 CAN1SMEN: CAN1 clocks enable during Sleep and Stop modes
Set and cleared by software.
0: CAN1 clocks disabled by the clock gating
(1)
during Sleep and Stop modes
1: CAN1 clocks enabled by the clock gating
(1)
during Sleep and Stop modes
Bit 24 CRSSMEN: CRS clock enable during Sleep and Stop modes (This bit is reserved for
STM32L475xx/476xx/486xx devices)
Set and cleared by software.
0: CRS clocks disabled by the clock gating
(1)
during Sleep and Stop modes
1: CRS clocks enabled by the clock gating
(1)
during Sleep and Stop modes
Bit 23 I2C3SMEN: I2C3 clocks enable during Sleep and Stop modes
Set and cleared by software.
0: I2C3 clocks disabled by the clock gating
(1)
during Sleep and Stop modes
1: I2C3 clocks enabled by the clock gating
(1)
during Sleep and Stop modes
Bit 22 I2C2SMEN: I2C2 clocks enable during Sleep and Stop modes
Set and cleared by software.
0: I2C2 clocks disabled by the clock gating
(1)
during Sleep and Stop modes
1: I2C2 clocks enabled by the clock gating
(1)
during Sleep and Stop modes
Bit 21 I2C1SMEN: I2C1 clocks enable during Sleep and Stop modes
Set and cleared by software.
0: I2C1 clocks disabled by the clock gating
(1)
during Sleep and Stop modes
1: I2C1 clocks enabled by the clock gating
(1)
during Sleep and Stop modes

ST STM32L4 5 Series Specifications

General

Brand	ST
Model	STM32L4 5 Series
Category	Microcontrollers
Language	English