HD6437101 RENESAS [Renesas Technology Corp], HD6437101 Datasheet - Page 93

• Manufacturer Part Number: HD6437101
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

5.1
5.1.1
Exception processing is started by four sources: resets, address errors, interrupts and instructions
and have the priority, as shown in table 5.1. When several exception processing sources occur at
once, they are processed according to the priority.
Table 5.1
Exception
Reset
Address
error
Interrupt
Instructions Trap instruction (TRAPA instruction)
Notes: 1. Delayed branch instructions: JMP, JSR, BRA, BSR, RTS, RTE, BF/S, BT/S, BSRF, and
2. Instructions that rewrite the PC: JMP, JSR, BRA, BSR, RTS, RTE, BT, BF, TRAPA,
Overview
Types of Exception Processing and Priority
BRAF.
BF/S, BT/S, BSRF, and BRAF.
Types of Exception Processing and Priority
NMI
Source
Power-on reset
Manual reset
CPU address error
IRQ
On-chip peripheral
modules:
General illegal instructions (undefined code)
Illegal slot instructions (undefined code placed directly after a delay
branch instruction*
Section 5 Exception Processing
1
or instructions that rewrite the PC*
•
•
•
•
•
•
•
•
•
Multifunction timer pulse unit (MTU)
A/D converter 0 and 1 (A/D0, A/D1)
Compare match timer 0 and 1 (CMT0, CMT1)
Watchdog timer (WDT)
Input/output port (I/O) (MTU)
Serial communication interface 2 and 3 (SCI2 and
SCI3)
Motor management timer (MMT)
A/D converter 2 (A/D2)
Input/output port (I/O) (MMT)
Rev.1.00 Sep. 18, 2008 Page 59 of 522
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Section 5 Exception Processing
REJ09B0069-0100
Priority
High
Low