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AN3262 Datasheet(PDF) 9 Page - STMicroelectronics

Part # AN3262
Description  Using the over-the-air bootloader with STM32W108 devices
PDF  27 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3262 Datasheet(HTML) 9 Page - STMicroelectronics

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AN3262
Bootloader command set
Doc ID 17845 Rev 2
9/27
Figure 9.
Get Version & Read Protection Status command: device side
1.
GV = Get Version & Read Protection Status.
The STM32 device sends the following bytes:
Byte 1:
ACK
Byte 2:
Bootloader version (0 < Version
≤ 255)
Byte 3:
Option byte 1: 0x00 to keep the compatibility with generic
bootloader protocol
Byte 4:
Option byte 2: 0x00 to keep the compatibility with generic
bootloader protocol
Byte 5:
ACK
Ai14634
Send ACK byte
Start GV(1)
Received
byte = 0x01+0xFE?
Send the bootloader version
Option byte 2
End of GV(1)
No
Yes
Send NACK byte
Send ACK byte
Option byte 1



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