Renesas Single-Chip Microcomputer M38C89T-ADF Manuel d'utilisateur télécharger pdf (Page 26)

Rev.1.00 May 22 2012

REJ09B0566

4-6

Library Reference

4.2.2 33BInterrupt Control Unit R_INTC_CreateExtInterrupt

[func]

The function to be called when a valid condition is detected.

Specify PDL_NA if no IRQn interrupt is required.

A function must be specified for the NMI pin.

[data3]

The IRQn interrupt priority level. Select between 0 (interrupt disabled) and 15 (highest priority).

This value does not apply to the NMI pin and is ignored.

Return value

True if all parameters are valid and exclusive; otherwise false.

Category

External interrupt

Reference

R_INTC_ControlExtInterrupt, R_INTC_GetExtInterruptStatus

Remarks (1/2) • The selected interrupt pin is automatically enabled.

• I/O port register is modified to select the IRQn pin. The appropriate I/O port ICR register is modified to

enable the input buffer for that pin.

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Renesas Single-Chip Microcomputer M38C89T-ADF Manuel d'utilisateur Page 26