Figure 44. Write Protect Command Via Can: Host Side - ST STM32F105 Series Application Note

System memory boot mode

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AN2662

Note:

The total number of sectors and the sector number to be protected are not checked, this

means that no error is returned when a command is passed with a wrong number of sectors

to be protected or a wrong sector number.

If a second Write Protect command is executed, the Flash memory sectors that were

protected by the first command become unprotected and only the sectors passed within the

second Write Protect command become protected.

Figure 44. Write Protect command via CAN: Host side

1. WP = Write Protect.

The host sends the messages as follows

Command message: Std ID = 0x63, DLC = 0x01, data[0] = N (where 0 < N <= 255).

Command message: Std ID = 0x63, DLC = 0x01..08, data[0] = N (where 0 < N <= 255).

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