h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 108

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
A block diagram of the interrupt controller is shown in figure 5.1.
Rev. 2.00 Dec. 05, 2005 Page 70 of 724
REJ09B0200-0200
Internal interrupt request
SWDTEND to SLE0
[Legend]
ISCR:
IER:
ISR:
IPR:
SYSCR:
IRQ sense control register
IRQ enable register
IRQ status register
Interrupt priority register
System control register
NMI input
IRQ input
SYSCR
Figure 5.1 Block Diagram of Interrupt Controller
Interrupt controller
INTM1, INTM0
NMIEG
ISCR
NMI input unit
IRQ input unit
ISR
IER
determination
Priority
IPR
Vector number
Interrupt
request
I2 to I0
I
CPU
CCR
EXR