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AN3427 Datasheet(PDF) 32 Page - STMicroelectronics

Part # AN3427
Description  Migrating a microcontroller application from STM32F1 to STM32F2 series
PDF  52 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3427 Datasheet(HTML) 32 Page - STMicroelectronics

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Peripheral migration
AN3427
32/52
Doc ID 019001 Rev 1
Table 10.
FLASH differences between STM32 F1 series and STM32 F2 series
Flash
STM32 F1 series
STM32 F2 series
Wait States
up to 2
up to 7 (depending on the
supply voltage)
Main/Program
memory
Start Address
0x0800 0000
0x0800 0000
End Address
up to 0x080F FFFF
up to 0x080F FFFF
Granularity
Page of 2 Kbytes size
except for Low and Medium
density Page of 1 Kbytes
4 sectors of 16 Kbytes
1 sector of 64 Kbytes
7 sectors of 128 Kbytes
EEPROM memory
Start Address
Available by SW emulation (1)
Available by SW emulation(2)
End Address
System memory
Start Address
0x1FFF F000
0x1FFF 0000
End Address
0x1FFF F7FF
0x1FFF 77FF
Option Bytes
Start Address
0x1FFF F800
0x1FFF C000
End Address
0x1FFF F80F
0x1FFF C007
OTP
Start Address
NA
0x1FFF 7800
End Address
0x1FFF 79FF
Flash interface
Start address
0x4002 2000
0x4002 3C00
Programming
procedure
Same for all product lines
Different from F1 series
Erase granularity
Page (1 or 2 Kbytes)
Sector
Program mode
Half word
Byte
Half word
word
Double word (with external VPP
supply)
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)
JTAG fuse
NA
Level 2 RDP = 0xCC (3)
Write protection
Protection by 4Kbytes
Protection by sector



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