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ST STM32F31xx User Manual

ST STM32F31xx
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UM1581
FLASH Memory (FLASH)
DocID023800 Rev 1
217/584
ï‚· __IO uint16_t RDP
ï‚· __IO uint16_t USER
ï‚· uint16_t RESERVED0
ï‚· uint16_t RESERVED1
ï‚· __IO uint16_t WRP0
ï‚· __IO uint16_t WRP1
ï‚· __IO uint16_t WRP2
ï‚· __IO uint16_t WRP3
Field Documentation
ï‚· __IO uint16_t OB_TypeDef::RDP
 FLASH option byte Read protection, Address offset: 0x00
ï‚· __IO uint16_t OB_TypeDef::USER
 FLASH option byte user options, Address offset: 0x02
ï‚· uint16_t OB_TypeDef::RESERVED0
 Reserved, 0x04
ï‚· uint16_t OB_TypeDef::RESERVED1
 Reserved, 0x06
ï‚· __IO uint16_t OB_TypeDef::WRP0
 FLASH option byte write protection 0, Address offset: 0x08
ï‚· __IO uint16_t OB_TypeDef::WRP1
 FLASH option byte write protection 1, Address offset: 0x0C
ï‚· __IO uint16_t OB_TypeDef::WRP2
 FLASH option byte write protection 2, Address offset: 0x10
ï‚· __IO uint16_t OB_TypeDef::WRP3
 FLASH option byte write protection 3, Address offset: 0x12
11.2 FLASH Firmware driver API description
The following section lists the various functions of the FLASH library.
11.2.1 How to use this driver
This driver provides functions to configure and program the FLASH memory of all
STM32F30x devices. These functions are split in 4 groups:
1. FLASH Interface configuration functions: this group includes the management of
following features:
 Set the latency.
 Enable/Disable the Half Cycle Access.
 Enable/Disable the prefetch buffer.
2. FLASH Memory Programming functions: this group includes all needed functions to
erase and program the main memory:
 Lock and Unlock the FLASH interface.
 Erase function: Erase page, erase all pages.
 Program functions: Half Word and Word write.
3. FLASH Option Bytes Programming functions: this group includes all needed functions
to manage the Option Bytes:
 Lock and Unlock the Flash Option bytes.

Table of Contents

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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

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