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SKitt · 2019-09-28

Sent: 0x7F // Test PatternReceived: 0x79 // ACKSent byte 1: 0x31 // WRITE commandSent byte 2: 0xCE // WRITE command complementReceived: 0x79 // ACK Sent byte 3: 0x20 ...

SKitt · 2019-09-28

Yes, that is correct. In accordance with the 'Note' on pg 18/38 of AN3155: "When writing to the RAM, user must not overlap the first RAM used by the bootloaderfirmware." I re-modified the destination address for a higher address in RAM and now it wor...

SKitt · 2019-09-28

For verification purposes, I modified the destination address to 0x08001020 (a null spot in Flash) and had the exact same result as with the RAM region. Thank you for your correspondence.EDIT: Sorry. I failed to note a compilation error before upload...

SKitt · 2019-09-28

Yes, that is correct. This example is for RAM but the Write Memory Command should work with any memory region with user privileges.

SKitt · 2019-09-28

Thank you for your reply, TDK.I have modified the code, but the result is the same:Sent byte 8: 0x03 // N = 3 (number of bytes to send)Sent 0x42 // This is where I start to get confusedSent 0x42Sent 0x42Sent 0x42Sent 0x03 ...

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Could someone please carefully explain or show a Write Memory Command example (using USART)? (Ref. AN3155, pages 18 - 21) The main confusion is what to send after 'Byte 8' , below I try to show an example of writing 0x42424242 to 0x200001a0 (in RAM).

Re: Could someone please carefully explain or show a Write Memory Command example (using USART)? (Ref. AN3155, pages 18 - 21) The main confusion is what to send after 'Byte 8' , below I try to show an example of writing 0x42424242 to 0x200001a0 (in RAM).

Re: Could someone please carefully explain or show a Write Memory Command example (using USART)? (Ref. AN3155, pages 18 - 21) The main confusion is what to send after 'Byte 8' , below I try to show an example of writing 0x42424242 to 0x200001a0 (in RAM).

Re: Could someone please carefully explain or show a Write Memory Command example (using USART)? (Ref. AN3155, pages 18 - 21) The main confusion is what to send after 'Byte 8' , below I try to show an example of writing 0x42424242 to 0x200001a0 (in RAM).

Re: Could someone please carefully explain or show a Write Memory Command example (using USART)? (Ref. AN3155, pages 18 - 21) The main confusion is what to send after 'Byte 8' , below I try to show an example of writing 0x42424242 to 0x200001a0 (in RAM).