HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 81
HD64F7050
Manufacturer Part Number
HD64F7050
Description
32-Bit RISC Microcomputer SuperH RISC engine Family/
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD64F7050.pdf
(841 pages)
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5.1
5.1.1
Exception processing is started by four sources: resets, address errors, interrupts and instructions
and have the priority shown in table 5.1. When several exception processing sources occur at once,
they are processed according to the priority shown.
Table 5.1
Notes: 1. Delayed branch instructions: JMP, JSR, BRA, BSR, RTS, RTE, BF/S, BT/S, BSRF,
Exception
Reset
Address
error
Interrupt
Instructions
2. Instructions that rewrite the PC: JMP, JSR, BRA, BSR, RTS, RTE, BT, BF, TRAPA,
Types of Exception Processing and Priority
Overview
BRAF.
BF/S, BT/S, BSRF, BRAF.
Types of Exception Processing and Priority Order
Source
Power-on reset
CPU address error
DMAC address error
NMI
User break
IRQ
On-chip peripheral modules:
Trap instruction (TRAPA instruction)
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 *
Direct memory access controller
(DMAC)
Advanced timer unit (ATU)
Compare match timer (CMT)
A/D converter (A/D)
Serial communications interface
(SCI)
Watchdog timer (WDT)
Rev. 5.00 Jan 06, 2006 page 61 of 818
Section 5 Exception Processing
2
)
REJ09B0273-0500
Priority
High
Low
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