Datasheet

Section 5 Interrupt Controller
Page 124 of 1434 R01UH0166EJ0600 Rev. 6.00
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
5.1.2 Block Diagram
A block diagram of the interrupt controller is shown in Figure 5.1.
SYSCR
NMI input
IRQ input
Internal interrupt
request
SWDTEND to
TEI4
INTM1, INTM0
NMIEG
NMI input unit
IRQ input unit
ISR
ISCR IER
IPR
Interrupt controller
Priority
determination
Interrupt
request
Vector
number
I
I2 to I0
CCR
EXR
CPU
ISCR:
IER:
ISR:
IPR:
SYSCR:
IRQ sense control register
IRQ enable register
IRQ status register
Interrupt priority register
System control register
Legend:
Figure 5.1 Block Diagram of Interrupt Controller