h8s-2111b Renesas Electronics Corporation., h8s-2111b Datasheet - Page 102

• Manufacturer Part Number: h8s-2111b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

5.2
Table 5.1 summarizes the pins of the interrupt controller.
Table 5.1
Rev. 1.00, 05/04, page 68 of 544
Symbol
NMI
IRQ7 to IRQ0
KIN15 to KIN0
WUE7 to WUE0
[Legend]
ICR:
ISCR:
IER:
ISR:
WUE input
Internal
interrupt request
WOVI0 to IBFI3
Input/Output Pins
KIN input
NMI input
IRQ input
SYSCR
Pin Configuration
Interrupt control register
IRQ sense control register
IRQ enable register
IRQ status register
Figure 5.1 Block Diagram of Interrupt Controller
Interrupt controller
NMIEG
Input
I/O
Input
Input
Input
KMIMR
INTM1, INTM0
ISCR
KIN and WUE
NMI input
IRQ input
input
ISR
WUEMR
KMIMR:
WUEMR:
SYSCR:
IER
Function
Nonmaskable external interrupt
Rising edge or falling edge can be selected
Maskable external interrupts
Rising edge, falling edge, both edges, or level sensing,
can be selected individually for each pin.
Maskable external interrupts
Falling edge or level sensing can be selected.
Maskable external interrupts
Falling edge or level sensing can be selected.
Keyboard matrix interrupt mask register
Wake-up event interrupt mask register
System control register
Priority check
ICR
Vector number
Interrupt
request
I, UI
CPU
CCR