Datasheet

Section 5 Interrupt Controller
Rev. 3.00 Mar 21, 2006 page 90 of 788
REJ09B0300-0300
SYSCR
NMI input
IRQ input
Internal interrupt request
SWDTEND to IBF13
NMIEG
INTM1, INTM0
NMI input
IRQ input
ISR
ISCR IER
ICR
Interrupt controller
Priority check
Interrupt
request
Vector number
I, UI
CCR
CPU
ICR
ISCR
IER
ISR
KMIMR
WUEMR
SYSCR
: Interrupt control register
: IRQ sense control register
: IRQ enable register
: IRQ status register
: Keyboard matrix interrupt mask register
: Wake-up event interrupt mask register
: System control register
Legend:
KIN and WUE
input
KMIMR
WUEMR
KIN input
WUE input
Figure 5.1 Block Diagram of Interrupt Controller