Interrupt - Renesas M16C/64A Series User Manual

M16C/64A Group
24.4

Interrupt

Refer to the operation example for interrupt source or interrupt request generation timing. Refer to 14.7
"Interrupt Control" for interrupt control. Table 24.5 lists Registers Associated with SI/O3 and SI/O4.
Table 24.5 Registers Associated with SI/O3 and SI/O4
Address
0048h SI/O4 Interrupt Control Register
0049h SI/O3 Interrupt Control Register
0207h Interrupt Source Select Register
The interrupts below share the interrupt vector and interrupt control register with other peripheral
functions. To use the following interrupts, set the bits as follows:
•
SI/O3: Set the IFSR6 bit in the IFSR register to 0 (SI/O3).
•
SI/O4: Set the IFSR7 bit in the IFSR register to 0 (SI/O4).
Set the POL bit in the SiIC register to 0 (falling edge).
R01UH0136EJ0210 Rev.2.10
Jul 31, 2012
Register
24. Serial Interface SI/O3 and SI/O4
Symbol Reset Value
S4IC XX00 X000b
S3IC XX00 X000b
IFSR 00h
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