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TMS320F28388D: memory map prevented reading

Part Number: TMS320F28388D
Other Parts Discussed in Thread: C2000WARE

Dear team,

Why does Address*(0x400B1000) display " memory map prevented reading"?

The customer used the example code-  C2000Ware_3_04_00_00\driverlib\f2838x\examples\cm\i2c

MCAN Message RAM 17K x 8 0x4007 8000 0x4007 C3FF

Why is this part of RAM used? I don’t have enough RAM now, and 28388D doesn’t support expansion. Could i use this RAM to store real-time data If I don’t use MCAN?

The definition in the gel file starts with 0x400A1000. Is the manual wrong? And the address data of 0x400A1000 can be seen.

And he didn’t find the EtherCAT Registers mentioned in gel.

The customer wants to use the EtherCAT RAM section and MCAN Message RAM for data storage. Now he can read and write the MCAN Message RAM section, but he can only read and not write the EtherCAT RAM section. Then he searched for the EtherCAT Registers in Registers View, but he couldn’t find it. How can he write data to the EtherCAT RAM segment?

Please help to check it.