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AN3154 数据表(PDF) 31 Page - STMicroelectronics

部件名 AN3154
功能描述  CAN protocol used in the STM32 bootloader
PDF  34 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN3154 数据表(HTML) 31 Page - STMicroelectronics

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AN3154
Bootloader command set
33
Figure 26. Readout Unprotect command: host side
1. RDU_PRM = Readout Unprotect.
The host sends messages as follows
Command message: Std ID = 0x92, DLC = 0x01, data = 00.
Figure 27. Readout Unprotect command: device side
1. RDU_PRM = Readout Unprotect.
The STM32 sends messages as follows:
ACK message: Std ID = 0x92, DLC = 1, data[0] = ACK if the content of the command is
correct and ROP is not active else data[0] = NACK.
No
ai15729b
Start RDU_PRM(1)
Received
Send ACK message
Send NACK message
End of RDU_PRM (1)
Ye s
Send ACK message
Disable ROP
Generate system reset
message with
ID = 0x92?
Clear all RAM



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