AN4088 datasheet(31/71 Pages) STMICROELECTRONICS

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AN4088

Peripheral migration

Table 17. Flash differences between STM32F1 series and STM32F0 series(1)

FLASH

STM32F1 series

STM32F0 series

Main/Program

memory

Start Address

0x0800 0000

End Address

up to 0x080F FFFF

up to 0x0803 FFFF

Granularity

Page of 2 Kbytes size

except for Low and Medium density

Page of 1 Kbytes

up to 32 Sector of 4 Kbytes:

sector is 4 Pages of 1 Kbytes on

STM32F03x, STM32F04x and

STM32F05x or 2pages of 2Kbytes on

STM32F07x.

The STM32F09x has 31 sectors of

4 Kbytes and 1 sector of 132 Kbytes.

EEPROM

memory

Start Address

Available by SW emulation

Available by software emulation

End Address

System memory

Start Address

0x1FFF F000

0x1FFF EC00 on STM32F03/5x

0x1FFF C800 on STM32F07x

0x1FFF C400 on STM32F04x

0x1FFF D800 on STM32F09x

End Address

0x1FFF F7FF

Option Bytes

Start Address

0x1FFF F800

End Address

0x1FFF F80F

0x1FFF F80B on STM32F03x,

STM32F04x and STM32F05x

0x1FFF F80F on STM32F07x and

STM32F09x

Flash interface

Start address

0x4002 2000

Programming

procedure

Same for all product lines

Same as STM32F1 series for Flash

program and erase operations.

Different from STM32F1 series for

Option byte programming(2)

Read Protection

Unprotection

Read protection disable

RDP = 0xA55A

Level 0 no protection

RDP = 0xAA

Protection

Read protection enable

RDP != 0xA55A

Level 1 memory protection

RDP != (Level 2 & Level 0)

Level 2: Lvl 1 +Debug disabled

RDP = 0xCC(3)

Write protection

Protection by 4Kbytes

Protection by sector(3)

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