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SH7750_08 Datasheet, PDF (515/1162 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer | |||
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Section 13 Bus State Controller (BSC)
Table 13.13 16-Bit External Device/Little-Endian Access and Data Alignment
Operation
Data Bus
Access
Size Address No. D31âD24 D23âD16 D15âD8 D7âD0
Byte 2n
1â
â
â
Data
7â0
2n + 1 1 â
â
Data â
7â0
Word 2n
1â
â
Data Data
15â8 7â0
Long- 4n
1â
â
Data Data
word
15â8 7â0
4n + 2 2 â
â
Data Data
31â24 23â16
Quad- 8n
1â
â
Data Data
word
15â8 7â0
8n + 2 2 â
â
Data Data
31â24 23â16
8n + 4 3 â
â
Data Data
47â40 39â32
8n + 6 4 â
â
Data Data
63â56 55â48
WE3,
CAS3,
DQM3
Strobe Signals
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
Rev.7.00 Oct. 10, 2008 Page 431 of 1074
REJ09B0366-0700
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