HD6473032F16 Datasheet, PDF (111/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

5.1.3 Pin Configuration
Table 5.1 lists the interrupt pins.
Table 5.1 Interrupt Pins
Name
Nonmaskable interrupt
Abbreviation
NMI
External interrupt request
5 to 0
IRQ5 to IRQ0
I/O
Input
Input
Section 5 Interrupt Controller
Function
Nonmaskable external interrupt, rising
edge or falling edge selectable
Maskable external interrupts, falling
edge or level sensing selectable
5.1.4 Register Configuration
Table 5.2 lists the registers of the interrupt controller.
Table 5.2 Interrupt Controller Registers
Address^*1 Name
H'FFF2
System control register
H'FFF4
IRQ sense control register
H'FFF5
IRQ enable register
H'FFF6
IRQ status register
H'FFF8
Interrupt priority register A
H'FFF9
Interrupt priority register B
Notes: 1. Lower 16 bits of the address.
2. Only 0 can be written, to clear flags.
Abbreviation
SYSCR
ISCR
IER
ISR
IPRA
IPRB
R/W
R/W
R/W
R/W
R/(W)^*2
R/W
R/W
Initial Value
H'0B
H'00
H'00
H'00
H'00
H'00
Rev. 3.00 Mar 21, 2006 page 81 of 814
REJ09B0302-0300