M306H7MG-XXXFP Datasheet, PDF (43/329 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

M306H7MG-XXXFP/MC-XXXFP/FGFP
6. Interrupts
6.1 Type of Interrupts
Figure 6.1 shows types of interrupts.
6. INTERRUPTS
Software
(Non-maskable interrupt)
Undefined instruction (UND instruction)
Overflow (INTO instruction)
BRK instruction
INT instruction
Interrupt
Hardware
Special
(Non-maskable interrupt)
_______
NMI
________
DBC (Note 2)
Watchdog timer
Single step (Note 2)
Address match
Peripheral function (Note 1)
(Maskable interrupt)
Note 1: Peripheral function interrupts are generated by the microcomputer's internal functions.
Note 2: Do not normally use this interrupt because it is provided exclusively for use by development
support tools.
Figure 6.1 Interrupts
• Maskable Interrupt: An interrupt which can be enabled (disabled) by the interrupt enable flag (I flag) or whose
interrupt priority can be changed by priority level.
• Non-maskable Interrupt: An interrupt which cannot be enabled (disabled) by the interrupt enable flag (I flag) or
whose interrupt priority cannot be changed by priority level.
Rev.2.10 Oct 25, 2006 Page 43 of 326
REJ03B0152-0210