Rev. 2.00, 09/03, page 127 of 690
6.2
Input/Output Pins
Table 6.1 shows the INTC pin configuration.
Table 6.1
Pin Configuration
Name
Abbreviation
I/O
Description
Nonmaskable interrupt input pin
NMI
Input
Input of interrupt request signal, not
maskable by the interrupt mask bits
in SR
Interrupt input pins
IRQ5 to IRQ0,
IRL3
to
IRL0
Input
Input of interrupt request signals
Port interrupt input pins
PINT15 to
PINT0
Input
Input of port interrupt signals
Note:
IRL3
to
IRL0
are multiplexed with IRQ3 to IRQ0; they cannot be used together with IRQ3 to
IRQ0 at the same time.
6.3
Register Descriptions
The INTC has the following registers. For details on register addresses and register states during
each processing, refer to section 24, List of Registers.
•
Interrupt control register 0 (ICR0)
•
Interrupt control register 1 (ICR1)
•
Interrupt control register 2 (ICR2)
•
PINT interrupt enable register (PINTER)
•
Interrupt priority level setting register A (IPRA)
•
Interrupt priority level setting register B (IPRB)
•
Interrupt priority level setting register C (IPRC)
•
Interrupt priority level setting register D (IPRD)
•
Interrupt priority level setting register E (IPRE)
•
Interrupt priority level setting register F (IPRF)
•
Interrupt priority level setting register G (IPRG)
•
Interrupt priority level setting register H (IPRH)
•
Interrupt request register 0 (IRR0)
•
Interrupt request register 1 (IRR1)
•
Interrupt request register 2 (IRR2)
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