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TMS320VC5502: external bus control register configuration.

Part Number: TMS320VC5502


As far as i know, internall busholders/pulls must prevent the port from power dissipation or in worst cases - burnouts, due to undefined input state of CMOS input logic. 

I pull GPIO6 low, so multiplexed pins go in PGPIO mode.

Then I try to configure XBCR and I see, that busholders/pulls take no effect. Even if busholders/pulls are disabled, theres no floating signal on input pins. (i poll them and get constant value for over a long time even with busholders disabled).

Please, can anyone share some best practics or their own expierience on setting up busholders/pulls?