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SH7014 Datasheet(PDF) 180 Page - Renesas Technology Corp

Part # SH7014
Description  32-Bit RISC Microcomputer
PDF  754 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7014 Datasheet(HTML) 180 Page - Renesas Technology Corp

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8. Bus State Controller (BSC)
Rev.5.00 Sep. 27, 2007 Page 146 of 716
REJ09B0398-0500
8.10
CPU Operation when Program Is in External Memory
In the SH7014, SH7016, and SH7017 F-ZTAT™, two words (equivalent to two instructions) are
normally fetched in a single instruction fetch. This is also true when the program is located in
external memory, irrespective of whether the external memory bus width is 8 or 16 bits.
If the program counter value immediately after the program branches is an odd-word (2n + 1)
address, or if the program counter value immediately before the program branches is an even-word
(2n) address, the CPU will always fetch 32 bits (equivalent to two instructions) that include the
respective word instruction.



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