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SH7050 датащи(PDF) 86 Page - Renesas Technology Corp

номер детали SH7050
подробное описание детали  32-Bit RISC Microcomputer SuperH RISC engine Family/
PDF  841 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
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SH7050 датащи(HTML) 86 Page - Renesas Technology Corp

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



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