r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 132
r4f2426
Manufacturer Part Number
r4f2426
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2426.pdf
(1302 pages)
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Section 5 Interrupt Controller
A block diagram of the interrupt controller is shown in figure 5.1.
Rev. 1.00 Sep. 19, 2008 Page 104 of 1270
REJ09B0466-0100
NMI input
IRQ input
Internal
interrupt
sources
SWDTEND
to SSTXI
Legend:
ISCR:
IER:
ISR:
IPR:
INTCR: Interrupt control register
ITSR:
INTCR
ITSR
Interrupt controller
Figure 5.1 Block Diagram of Interrupt Controller
IRQ sense control register
IRQ enable register
IRQ status register
Interrupt priority register
IRQ pin select register
NMI input unit
IRQ input unit
NMIEG
INTM1 INTM0
ISR
ISCR
IER
determination
Priority
IPR
Interrupt
request
Vector
number
I2 to I0
I
CPU
CCR
EXR
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