SH7785 Datasheet, PDF (424/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

11. Local Bus State Controller (LBSC)
Table 11.12 64-Bit External Device/Little Endian Access and Data Alignment (2)
Operation
Strobe Signal
Access
Size
Address No. WE7
WE6
WE5
WE4
WE3
WE2
WE1
WE0
Byte
8n
1⎯
⎯
⎯
⎯
⎯
⎯
⎯
Asserted
8n + 1 1 ⎯
⎯
⎯
⎯
⎯
⎯
Asserted ⎯
8n + 2 1 ⎯
⎯
⎯
⎯
⎯
Asserted ⎯
⎯
8n + 3 1 ⎯
⎯
⎯
⎯
Asserted ⎯
⎯
⎯
8n + 4 1 ⎯
⎯
⎯
Asserted ⎯
⎯
⎯
⎯
8n + 5 1 ⎯
⎯
Asserted ⎯
⎯
⎯
⎯
⎯
8n + 6 1 ⎯
Asserted ⎯
⎯
⎯
⎯
⎯
⎯
8n + 7 1 Asserted ⎯
⎯
⎯
⎯
⎯
⎯
⎯
Word
8n
1⎯
⎯
⎯
⎯
⎯
⎯
Asserted Asserted
8n + 2 1 ⎯
⎯
⎯
⎯
Asserted Asserted ⎯
⎯
8n + 4 1 ⎯
⎯
Asserted Asserted ⎯
⎯
⎯
⎯
8n + 6 1 Asserted Asserted ⎯
⎯
⎯
⎯
⎯
⎯
Longword 8n
1⎯
⎯
⎯
⎯
Asserted Asserted Asserted Asserted
8n + 4 1 Asserted Asserted Asserted Asserted ⎯
⎯
⎯
⎯
32 Bytes* 8n
1 Asserted Asserted Asserted Asserted Asserted Asserted Asserted Asserted
8n + 8 2 Asserted Asserted Asserted Asserted Asserted Asserted Asserted Asserted
8n + 16 3 Asserted Asserted Asserted Asserted Asserted Asserted Asserted Asserted
Note:
8n + 24 4 Asserted Asserted Asserted Asserted Asserted Asserted Asserted Asserted
* This table shows an example when the access start address is on the 32-byte
boundary. When the start address is not on the 32-byte boundary, accesses are
performed up to immediately before the 32-byte boundary and the address is wrapped
around to the previous 32-byte boundary.
Rev.1.00 Jan. 10, 2008 Page 394 of 1658
REJ09B0261-0100