About RDY_INT signal of EIM in i.MX6SDL.

[keitanagashima]

Dear Sir or Madam,

Hello.

[Q1]

Refer to 6.4.1 EIM features in MCIMX6SDLRM(Rev.1).

There is following description.

External interrupt support using the RDY_INT signal function as an external interrupt pin.

Refer to Table 22-2. EIM External Signals in MCIMX6SDLRM(Rev.1).

EIM_WAIT pin multiplexed EIM_WAIT and EIM_DTACK signal.

Is RDY_INT signal muxed, too?

[Q2]

In case that one enable both of EIM_WAIT_B signal by RFL/WFL and RDY_INT signal by INTEN.

Does it become the following operation?

"In synchronous access, it operates as the WAIT_B signal. && Every time WAIT_B signal is asserted, the interruption occurs as the RDY_INT signal."

Keita

[Yuri · Accepted solution]

RDY_INT function is assigned to the EIM_WAIT pin.  Generally it is assumed that corresponding functionality

of the pin (DTACK, WAIT,  INT (interrupt)) is selected via EIM register settings (sync / async mode, interrupt_enable ).
If the INTEN bit is set and the signal is asserted an interrupt will be generated.