RMU - Reset Management Unit#

Reset Management Unit (RMU) Peripheral API.

This module contains functions to control the RMU peripheral of Silicon Labs 32-bit MCUs and SoCs. RMU ensures correct reset operation and is responsible for connecting the different reset sources to the reset lines of the MCU or SoC.

Enumerations#

enum

RMU_ResetMode_TypeDef {

rmuResetModeClear = 0

rmuResetModeSet = 1

}

RMU reset modes.

enum

RMU_Reset_TypeDef {

rmuResetBU = _RMU_CTRL_BURSTEN_MASK

rmuResetLockUp = _RMU_CTRL_LOCKUPRDIS_MASK

}

RMU controlled peripheral reset control and reset source control.

Functions#

void

RMU_ResetControl(RMU_Reset_TypeDef reset, RMU_ResetMode_TypeDef mode)

Disable/enable reset for various peripherals and signal sources.

void

RMU_ResetCauseClear(void)

Clear the reset cause register.

uint32_t

RMU_ResetCauseGet(void)

Get the cause of the last reset.

Macros#

#define

RMU_LockupResetDisable (A)

RMU_LockupResetDisable kept for backwards compatibility.

Enumeration Documentation#

RMU_ResetMode_TypeDef#

RMU_ResetMode_TypeDef

RMU reset modes.

Enumerator
rmuResetModeClear	Reset mode clear.
rmuResetModeSet	Reset mode set.

Definition at line 54 of file platform/emlib/inc/em_rmu.h

RMU_Reset_TypeDef#

RMU_Reset_TypeDef

RMU controlled peripheral reset control and reset source control.

Enumerator
rmuResetBU	Reset control over Backup Power domain select.
rmuResetLockUp	Cortex lockup reset select.

Definition at line 70 of file platform/emlib/inc/em_rmu.h

Function Documentation#

RMU_ResetControl#

void RMU_ResetControl (RMU_Reset_TypeDef reset, RMU_ResetMode_TypeDef mode)

Disable/enable reset for various peripherals and signal sources.

Parameters

[in]	reset	Reset types to enable/disable.s
[in]	mode	Reset mode.

Definition at line 240 of file platform/emlib/src/em_rmu.c

RMU_ResetCauseClear#

void RMU_ResetCauseClear (void )

Clear the reset cause register.

Parameters

N/A

This function clears all the reset cause bits of the RSTCAUSE register. The reset cause bits must be cleared by software before a new reset occurs. Otherwise, reset causes may accumulate. See RMU_ResetCauseGet().

Definition at line 268 of file platform/emlib/src/em_rmu.c

RMU_ResetCauseGet#

uint32_t RMU_ResetCauseGet (void )

Get the cause of the last reset.

Parameters

N/A

To be useful, the reset cause must be cleared by software before a new reset occurs. Otherwise, reset causes may accumulate. See RMU_ResetCauseClear(). This function call will return the main cause for reset, which can be a bit mask (several causes) and clear away "noise".

Returns

A reset cause mask. See the reference manual for a description of the reset cause mask.

Definition at line 311 of file platform/emlib/src/em_rmu.c

Macro Definition Documentation#

RMU_LockupResetDisable#

#define RMU_LockupResetDisable

Value:

(A)

RMU_LockupResetDisable kept for backwards compatibility.

Definition at line 135 of file platform/emlib/inc/em_rmu.h