h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 126

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
5.1.2
A block diagram of the interrupt controller is shown in figure 5.1.
Rev. 5.00 Sep 22, 2005 page 100 of 1136
REJ09B0257-0500
Internal interrupt
request
SWDTEND to
RM0
Legend:
ISCR
IER
ISR
IPR
SYSCR
NMI input
IRQ input
SYSCR
Block Diagram
: IRQ sense control register
: IRQ enable register
: IRQ status register
: Interrupt priority register
: System control register
Interrupt controller
Figure 5.1 Block Diagram of Interrupt Controller
INTM1, INTM0
NMIEG
ISCR
NMI input unit
IRQ input unit
ISR
IER
determination
Priority
IPR
Interrupt
request
Vector
number
I2 to I0
I
CPU
CCR
EXR