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SH7750_08 Datasheet, PDF (509/1162 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer | |||
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Section 13 Bus State Controller (BSC)
Table 13.8 32-Bit External Device/Big-Endian Access and Data Alignment
Operation
Data Bus
Access
Size Address No. D31âD24 D23âD16 D15âD8 D7âD0
Byte 4n
1 Data
â
7â0
â
â
4n + 1 1 â
Data
â
â
7â0
4n + 2 1 â
â
Data â
7â0
4n + 3 1 â
â
â
Data
7â0
Word 4n
1 Data
Data
â
â
15â8
7â0
4n + 2 1 â
â
Data Data
15â8 7â0
Long- 4n
word
1 Data
31â24
Data
23â16
Data
15â8
Data
7â0
Quad- 8n
word
1 Data
63â56
Data
55â48
Data
47â40
Data
39â32
8n + 4 2 Data
31â24
Data
23â16
Data
15â8
Data
7â0
Strobe Signals
WE3,
CAS3,
DQM3
WE2,
CAS2,
DQM2
WE1,
CAS1,
DQM1
WE0,
CAS0,
DQM0
Asserted
Asserted
Asserted
Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted Asserted Asserted
Asserted Asserted Asserted Asserted
Asserted Asserted Asserted Asserted
Rev.7.00 Oct. 10, 2008 Page 425 of 1074
REJ09B0366-0700
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