AN4141 datasheet(35/42 Pages) STMICROELECTRONICS

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AN4141

HAL to StdPeriph_Lib list of changes

3.3.11

FLASH

The STM32W108 integrates a FLASH up to 256 K.

The following table provides an overview of the StdPeriph functions that enable a standard

use of the FLASH features.

Table 21. STM32W108xx FLASH driver overview

StdPeriph_Driver API

Functionality description

FPEC_ClockCmd()

Enables or disables the FPEC clock

FLASH_Status FLASH_ErasePage()

Erases a specified FLASH page

FLASH_Status FLASH_EraseAllPages()

Erases all FLASH pages

FLASH_ProgramHalfWord()

Programs a half word at a specified address

FLASH_Status FLASH_ProgramWord()

Programs a word at a specified address

void FLASH_HalfCycleAccessCmd()

Enables or disables the Half cycle flash access

FLASH_Status

FLASH_EraseOptionBytes()

Erases all option bytes except the Read protection

(RDP)

FLASH_Status

FLASH_EnableWriteProtection()

Write protects the desired pages

FLASH_Status

FLASH_ReadOutProtection()

Enables or disables the read out protection

FLASH_GetWriteProtectionOptionByte()

Returns the FLASH Write Protection Option Bytes

FLASH_GetReadOutProtectionStatus()

Checks whether the FLASH Read Out Protection

Status is set or not

FLASH_ITConfig()

Enables or disables the specified FLASH interrupts

FLASH_GetFlagStatus()

Checks whether the specified FLASH flag is set or not

FLASH_ClearFlag()

Clears the FLASH's pending flags

FLASH_Status FLASH_GetStatus()

Returns the FLASH Status. The returned value can be:

FLASH_BUSY, FLASH_ERROR_PG,

FLASH_ERROR_WRP or FLASH_COMPLETE.

FLASH_WaitForLastOperation()

Waits for a Flash operation to complete or a TIMEOUT

to occur

FLASH_SetLatency()

Sets the code latency value

FLASH_GetPrefetchBufferStatus()

Checks whether the FLASH Prefetch Buffer status is

set or not

FLASH_PrefetchBufferCmd()

Enables or disables the Prefetch Buffer

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