HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 86

• Manufacturer Part Number: HD64F7050
• Description: 32-Bit RISC Microcomputer SuperH RISC engine Family/
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 5 Exception Processing
5.3
5.3.1
Address errors occur when instructions are fetched or data read or written, as shown in table 5.5.
Table 5.5
Type
Instruction
fetch
Data
read/write
Note:
Rev. 5.00 Jan 06, 2006 page 66 of 818
REJ09B0273-0500
Bus Cycle
* See section 8, Bus State Controller.
Address Errors
Address Error Sources
Bus
Master
CPU
CPU or
DMAC
Bus Cycles and Address Errors
Bus Cycle Description
Instruction fetched from even address
Instruction fetched from odd address
Instruction fetched from other than on-chip
peripheral module space *
Instruction fetched from on-chip peripheral
module space *
Instruction fetched from external memory space
when in single chip mode
Word data accessed from even address
Word data accessed from odd address
Longword data accessed from a longword
boundary
Longword data accessed from other than a
long-word boundary
Byte or word data accessed in on-chip
peripheral module space *
Longword data accessed in 16-bit on-chip
peripheral module space *
Longword data accessed in 8-bit on-chip
peripheral module space *
External memory space accessed when in
single chip mode
Address Errors
None (normal)
Address error occurs
None (normal)
Address error occurs
Address error occurs
None (normal)
Address error occurs
None (normal)
Address error occurs
None (normal)
None (normal)
Address error occurs
Address error occurs