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SH7729R Datasheet, PDF (353/855 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series | |||
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Table 11.8 16-Bit External Device/Big-Endian Access and Data Alignment
Data Bus
Operation
D31â D23â
D24 D16 D15âD8 D7âD0
Byte access at 0
â
â
Data
â
7â0
Byte access at 1
â
â
â
Data
7â0
Byte access at 2
â
â
Data
â
7â0
Byte access at 3
â
â
â
Data
7â0
Word access at 0
â
â
Data
Data
15â8
7â0
Word access at 2
â
â
Data
Data
15â8
7â0
Longword 1st time â
â
Data
Data
access
at 0
31â24 23â16
at 0
2nd time â
â
Data
Data
at 2
15â8
7â0
WE3,
DQMUU
Strobe Signals
WE2,
DQMUL
WE1,
DQMLU
Asserted
WE0,
DQMLL
â
Asserted
Asserted â
Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Rev. 5.0, 09/03, page 307 of 806
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