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IAR Embedded Workbench for RX 5.20

__fast_interrupt

In this section:
Syntax

See Syntax for type attributes used on functions

Description

The __fast_interrupt keyword specifies a very fast interrupt function of the highest priority, using the FREIT return mechanism. A fast interrupt function must have a void return type and cannot have any parameters.

Example
__fast_interrupt void my_interrupt_handler(void);
See also

Fast interrupt functions, vector, and .inttable.