HD64F2145 Datasheet, PDF (126/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

SYSCR
NMI input
IRQ input
KIN input
WUE input
Internal interrupt request
SWDTEND to IBF13
INTM1, INTM0
NMIEG
NMI input
IRQ input
ISR
ISCR IER
KMIMR WUEMR
KIN and WUE
input
Interrupt controller
Priority check
ICR
CPU
Interrupt
request
Vector number
I, UI
CCR
Legend:
ICR : Interrupt control register
ISCR : IRQ sense control register
IER : IRQ enable register
ISR : IRQ status register
KMIMR : Keyboard matrix interrupt mask register
WUEMR: Wake-up event interrupt mask register
SYSCR : System control register
Figure 5.1 Block Diagram of Interrupt Controller
Rev. 2.0, 08/02, page 86 of 788