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Setting JTAG_PD_FORCE_ON for CC1310

no_more_wires
Expert 1530 points

Other Parts Discussed in Thread: CC1310

Hi,

In the TRM(Technical reference manual) page 472 for CC1310 it xplain how the JTAG power can be controller:

Controls JTAG PowerDomain power state:

0: Controlled exclusively by debug subsystem. (JTAG Powerdomain
will be powered off unless a debugger is attached)
1: JTAG Power Domain is forced on, independent of debug
subsystem.
NB: The reset value causes JTAG Power Domain to be powered on
by default. Software must clear this bit to turn off the JTAG Power
Domain

How can I access and write this directly during init?

(My challenge is that resetting through JTAG and then going to sleep doesn't work. 

My suspicion is that the JTAG is keeping the device awake.

Physical reset to reset pin (even with XDS100 physcially connected) + going to sleep = works well)

  • 0
    TI__Guru**** 171639 points

    Hi,

    From your description it seems that you want to control this power domain from your application, right? If so, searching around I found a definition of this register in the source file hw_aon_wuc.h which is part of the cc13xxware.

    Hope this helps,

    Rafael