ST10F272 datasheet(44/179 Pages) STMICROELECTRONICS

No de pièce	ST10F272

Description	16-bit MCU with 256 Kbyte Flash memory and 20 Kbyte RAM

PDF	179 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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Internal Flash memory

ST10F272

44/179

5.7

Write operation summary

In general, each write operation is started through a sequence of 3 steps:

The first instruction is used to select the desired operation by setting its corresponding

selection bit in the Flash Control Register 0.

The second step is the definition of the Address and Data for programming or the

Sectors or Banks to erase.

The last instruction is used to start the write operation, by setting the start bit WMS in

the FCR0.

Once selected, but not yet started, one operation can be canceled by resetting the operation

selection bit.

A summary of the available Flash Module Write Operations are shown in the following

Table 24.

Flash write operations

Operation

Select bit

Address and data

Start bit

Word Program (32-bit)

WPG

FARL/FARH

FDR0L/FDR0H

WMS

Double Word Program (64-bit)

DWPG

FARL/FARH

FDR0L/FDR0H

FDR1L/FDR1H

WMS

Sector Erase

SER

FCR1L/FCR1H

WMS

Set Protection

SPR

FDR0L/FDR0H

WMS

Program/Erase Suspend

SUSP

None

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