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AN2475 Datasheet(PDF) 5 Page - STMicroelectronics

Part # AN2475
Description  STR91xFAxxx in-application programming using UART
PDF  37 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2475 Datasheet(HTML) 5 Page - STMicroelectronics

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AN2475
IAP using the Ymodem protocol
5/37
Figure 1.
Flowchart of the IAP using the Ymodem protocol driver
2.2
Running the IAP driver
On STR91xFA devices, the IAP driver is programmed in Bank1 which is remapped in
hardware to address 0x00.
No
Yes
Download or
jump ?
Download
Receive a binary file
Success
Yes
Program the internal Flash
Disable the write-
protection
System reset
generation
All data programmed
successfully?
No
Display the name and size of
received file
Yes
Display the error message
"Verification failed"
Display the error
message "Failed to
receive the file"
Jump to user
program
User application
firmware
Jump to user
program
Initialize the STR9 UART & PLL
Push button
pressed
Start
Display the IAP main menu
ai15300
No



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