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AN4221 Datasheet(PDF) 49 Page - STMicroelectronics

Part # AN4221
Description  I2C protocol used in the STM32 bootloader
PDF  51 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4221 Datasheet(HTML) 49 Page - STMicroelectronics

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DocID024055 Rev 2
49/51
AN4221
Bootloader protocol version evolution
50
3
Bootloader protocol version evolution
Table 3 lists the bootloader versions.
Table 3. Bootloader protocol versions
Version
Description
V1.0
Initial protocol version.
V1.1
This version implements new I2C commands: No-Stretch Write Memory,
No-Stretch Erase Memory, No-Stretch Write Prtotect, No-Stretch Write
Unprotect, No-Stretch ReadOut Protect and No-Stretch ReadOut
Unprotect.



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