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RM48L952 WAIT-Signals for EMIF - How to choice pin0 or pin1 on HALCoGen?

KEN LIN
Prodigy 160 points
Other Parts Discussed in Thread: RM48L952, HALCOGEN

Dear Sir:

on "RM48L952 16- and 32-Bit RISC Flash Microcontroller" , EMIF_nWAIT set to pin P3

But on HALCoGen , ASYNC3 WAIT can choice pin0 or pin1

Best Regards

ken Lin

  • 0
    TI__Guru 68920 points
    Ken,

    So I think that only 'pin0' is supported on the device but need to confirm that. I'd say I'm 99% sure of this though so
    you can go with this assumption and try it.

    The EMIF module has two different wait pins, the polarity of each pin is defined on the EMIF_GENERAL tab.
    There you can pick whether EMIF_WAIT[0] pin is active high or active low. Same for EMIF_WAIT[1].

    I think that the datasheet may have an error, where it says EMIF_nWAIT I am fairly sure this should be EMIF_WAIT[0] and you get to define the polarity (active high or low) in the EMIF AWCCR register.