3069RF-ZTAT Datasheet, PDF (107/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

5.1.3 Pin Configuration
Table 5.1 lists the interrupt pins.
Table 5.1 Interrupt Pins
Name
Abbreviation I/O Function
Nonmaskable interrupt
NMI
Input Nonmaskable interrupt*, rising edge or
falling edge selectable
External interrupt request 5 to 0 IRQ₅ to IRQ₀ Input Maskable interrupts, falling edge or level
sensing selectable
Note: * NMI input is sometimes disabled when flash memory is being programmed or erased.
For details see section 18.4.5, Flash Vector Address Control Register (FVACR).
5.1.4 Register Configuration
Table 5.2 lists the registers of the interrupt controller.
Table 5.2 Interrupt Controller Registers
Address*¹ Name
Abbreviation
H'EE012
System control register
SYSCR
H'EE014
IRQ sense control register
ISCR
H'EE015
IRQ enable register
IER
H'EE016
IRQ status register
ISR
H'EE018
Interrupt priority register A
IPRA
H'EE019
Interrupt priority register B
IPRB
Notes: 1. Lower 20 bits of the address in advanced mode.
2. Only 0 can be written, to clear flags.
R/W
R/W
R/W
R/W
R/(W)*²
R/W
R/W
Initial Value
H'09
H'00
H'00
H'00
H'00
H'00
Rev. 5.0, 09/04, page 85 of 978