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Question about memory F28M36P63C2

Marc Zetek
Intellectual 800 points

Other Parts Discussed in Thread: F28M36P63C2

Hi,

We are making a servo system. This servo system will have number of user-adjustable parameters and we'd want these parameters to be saved in memory before power down and retrievable after power up. All parameters would likely take up well under 2KB of space.

Does the Concerto have any ability to store these kind of parameters in flash or so? Or would be we better served by adding some little external Flash and connecting it via I2C or something like that?

Another question: When the flash is erased, is the entire flash erased, or can sub-parts be erased and programmed (thus allowing us to store our parameters)?

Thank you,
Marc 

  • 0
    TI__Guru 60865 points

    The flash is erasable by sector, so you should be able to store your parameters.  For each of the master and control subsystems, you have up to 8 sectors of 16KB each and 6 sectors of 64KB each (See tables 2-8 and 2-9 in the datasheet).

  • 0 in reply to Devin Cottier
    TI__Guru* 87155 points

    A small correction:  In Master subsystem of F28M36P63C2, 1MB of Flash is available and is divided in to eight 32KB sectors and six 128KB sectors.  In Control subsystem of F28M36P63C2, 512KB of Flash is available and is divided in to eight 16KB sectors and six 64KB sectors as Devin mentioned.

    Thanks and regards,

    Vamsi