EasyManua.ls Logo

ST STM32F31xx User Manual

ST STM32F31xx
584 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #280 background imageLoading...
Page #280 background image
Independent watchdog (IWDG)
UM1581
280/584
DocID023800 Rev 1
ï‚· IWDG_GetFlagStatus()
14.2.6 Prescaler and counter configuration functions
14.2.6.1 IWDG_WriteAccessCmd
Function Name
void IWDG_WriteAccessCmd ( uint16_t IWDG_WriteAccess)
Function Description
Enables or disables write access to IWDG_PR and IWDG_RLR
registers.
Parameters
ï‚· IWDG_WriteAccess : new state of write access to
IWDG_PR and IWDG_RLR registers. This parameter can be
one of the following values:
 IWDG_WriteAccess_Enable : Enable write access to
IWDG_PR and IWDG_RLR registers
 IWDG_WriteAccess_Disable : Disable write access to
IWDG_PR and IWDG_RLR registers
Return values
ï‚· None.
Notes
ï‚· None.
14.2.6.2 IWDG_SetPrescaler
Function Name
void IWDG_SetPrescaler ( uint8_t IWDG_Prescaler)
Function Description
Sets IWDG Prescaler value.
Parameters
ï‚· IWDG_Prescaler : specifies the IWDG Prescaler value. This
parameter can be one of the following values:
 IWDG_Prescaler_4 : IWDG prescaler set to 4
 IWDG_Prescaler_8 : IWDG prescaler set to 8
 IWDG_Prescaler_16 : IWDG prescaler set to 16
 IWDG_Prescaler_32 : IWDG prescaler set to 32
 IWDG_Prescaler_64 : IWDG prescaler set to 64
 IWDG_Prescaler_128 : IWDG prescaler set to 128
 IWDG_Prescaler_256 : IWDG prescaler set to 256
Return values
ï‚· None.
Notes
ï‚· None.

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the ST STM32F31xx and is the answer not in the manual?

ST STM32F31xx Specifications

General IconGeneral
BrandST
ModelSTM32F31xx
CategoryMicrocontrollers
LanguageEnglish

Summary

How to Use and Customize the Library

Library Configuration Parameters

Details configuration parameters that customize the library for specific applications via define statements.

Peripheral Initialization and Configuration

Step-by-step guide on how to initialize and configure a peripheral, including clock enabling.

Running Your First Example

Guides on loading and executing template examples, covering prerequisites and tool-specific steps.

Developing Your First Application

Outlines the typical starting point and steps for developing an application from scratch.

Analog-to-digital converter (ADC) Firmware Driver

ADC Firmware Driver API Description

Lists and describes the various functions available in the ADC library for peripheral control.

Controller Area Network (bxCAN) Firmware Driver

CAN Firmware Driver API Description

Lists and describes the various functions available in the CAN library for peripheral control.

Comparators (COMP) Firmware Driver

COMP Firmware Driver API Description

Lists and describes the various functions available in the COMP library for peripheral control.

CRC Calculation Unit (CRC) Firmware Driver

CRC Firmware Driver API Description

Lists and describes the various functions for CRC configuration and computation.

Digital-to-Analog Converter (DAC) Firmware Driver

DAC Firmware Driver API Description

Lists and describes the various functions for DAC peripheral control and data transfer.

DMA Controller (DMA) Firmware Driver

DMA Firmware Driver API Description

Lists and describes functions for DMA initialization, configuration, and data transfers.

External Interrupt/Event Controller (EXTI) Firmware Driver

EXTI Firmware Driver API Description

Lists and describes functions for EXTI features, usage, initialization, and interrupt management.

FLASH Memory (FLASH) Firmware Driver

FLASH Firmware Driver API Description

Lists and describes functions for FLASH interface configuration and memory programming.

General-purpose I/Os (GPIO) Firmware Driver

GPIO Firmware Driver API Description

Lists and describes functions for GPIO usage, initialization, read/write, and alternate functions.

Inter-integrated Circuit Interface (I2C) Firmware Driver

I2C Firmware Driver API Description

Lists and describes functions for I2C usage, initialization, communication, SMBUS, and registers management.

Independent Watchdog (IWDG) Firmware Driver

IWDG Firmware Driver API Description

Lists and describes functions for IWDG features, usage, prescaler, activation, and flag management.

Operational Amplifier (OPAMP) Firmware Driver

OPAMP Firmware Driver API Description

Lists and describes functions for OPAMP peripheral features, usage, and initialization.

Power Control (PWR) Firmware Driver

PWR Firmware Driver API Description

Lists and describes functions for backup domain access, PVD configuration, and low power modes.

Reset and Clock Control (RCC) Firmware Driver

RCC Firmware Driver API Description

Lists and describes functions for RCC features, clock configuration, and peripheral clocks.

Real-time Clock (RTC) Firmware Driver

RTC Firmware Driver API Description

Lists and describes functions for RTC operating conditions, domain access, and time/date configuration.

Serial Peripheral Interface (SPI) Firmware Driver

SPI Firmware Driver API Description

Lists and describes functions for SPI usage, initialization, data transfers, CRC calculation, and DMA.

System Configuration Controller (SYSCFG) Firmware Driver

SYSCFG Firmware Driver API Description

Lists and describes functions for SYSCFG usage, initialization, and configuration.

General-Purpose Timers (TIM) Firmware Driver

TIM Firmware Driver API Description

Lists and describes functions for TIM output compare, input capture, advanced control, and synchronization management.

Universal Synchronous Asynchronous Receiver Transmitter (USART) Firmware Driver

USART Firmware Driver API Description

Lists and describes functions for USART usage, initialization, RS485, DMA, interrupts, STOP mode, and AutoBaudRate.

Window Watchdog (WWDG) Firmware Driver

Related product manuals