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TMS320F280049C: ADCDACLOOPBACK - Analog Subsystem Registers

Adrian
Prodigy 20 points

Part Number: TMS320F280049C

Tool/software:

Hello,

Is the register ADCDACLOOPBACK available and writable in TMS320F28004x family uCs?

 

There is a discrepancy between documentation

TMS320F28004x - Techical Reference Manual (SPRUI33G)

 

and source files:

hw_asysctl.h

f28004x_analog_subsys_regs.xml

 

I cannot set the bits 2..0 from register ADCDACLOOPBACK using the KEY provided in the documentation: 0xA5A5

  • 0
    TI__Mastermind 43200 points

    Hi Adrian,

    Can you do a quick experiment?  In memory browser, set pull down menu to "Data" and put address to 0x5D788.  Display as 32-bit Hex TI Style.  Go to memory location and overwrite the 32 bit data by double-clicking the 00000000 and overwrite 0xA5A50007 then hit return.  See if the location is written to.

    Regards,

    Joseph

  • 0 in reply to Joseph Casuga
    Prodigy 20 points

    Hi Joseph,

    Yes, it's working. The only remaining topic is the documentation, the address (offset) for ADCDACLOOPBACK is not defined for TMS320F28004x.