HD6417750RF240V Datasheet, PDF (104/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 5 Interrupt Controller
A block diagram of the interrupt controller is shown in figure 5.1.
SYSCR
NMI input
IRQ input
INTM1, INTM0
NMIEG
NMI input unit
IRQ input unit
ISR
ISCR IER
Internal interrupt
request
SWDTEND to TEI2
CPU
Priority
determination
Interrupt
request
Vector number
I
I2 to I0
CCR
EXR
IPR
Interrupt controller
Legend:
ISCR: IRQ sense control register
IER: IRQ enable register
ISR: IRQ status register
IPR: Interrupt priority register
SYSCR: System control register
Figure 5.1 Block Diagram of Interrupt Controller
Rev. 7.00 Sep. 11, 2009 Page 68 of 566
REJ09B0211-0700