Figure 5.1 Block Diagram Of Interrupt Controller - Renesas H8S/2158 User Manual

Section 5 Interrupt Controller
SYSCR
NMI input
IRQ input
KIN input
WUE input
Internal interrupt sources
SWDTEND to MMCIC
Legend:
: Interrupt control register
ICR
: IRQ sense control register
ISCR
: IRQ enable register
IER
: IRQ status register
ISR
: Keyboard matrix interrupt mask register
KMIMR
: Wake-up event interrupt mask register
WUEMR
: System control register
SYSCR
Rev. 3.00 Jan 25, 2006 page 74 of 872
REJ09B0286-0300
INTM1, INTM0
NMIEG
NMI input
IRQ input
ISR
ISCR IER
KMIMR WUEMR
KIN, WUE
input
Interrupt controller

Figure 5.1 Block Diagram of Interrupt Controller

Interrupt
request
Vector number
Priority level
determination
ICR
CPU
I, UI
CCR