r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 425

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Table 11.13 32-Bit External Device/Little-Endian Access and Data Alignment
Note:
Access
Size
Byte
Word
Longword
32 Bytes*
Operation
*
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.
Address
4n
4n + 1
4n + 2
4n + 3
4n
4n + 2
4n
8n
8n + 4
8n + 8
…
8n + 28
8
No.
1
1
1
1
1
1
1
1
2
3
…
D31 to
D24
⎯
⎯
⎯
Data
7 to 0
⎯
Data
15 to 8
Data
31 to 24
Data 31
to 24
Data 63
to 56
Data 95
to 88
…
Data
255 to
248
D23 to
D16
⎯
⎯
Data
7 to 0
⎯
⎯
Data
7 to 0
Data
23 to 16
Data 23
to 16
Data 55
to 48
Data 87
to 80
…
Data
247 to
240
Data Bus
D15 to
D8
⎯
Data
7 to 0
⎯
⎯
Data
15 to 8
⎯
Data
15 to 8
Data 15
to 8
Data 47
to 40
Data 79
to 72
…
Data
239 to
232
D7 to
D0
Data
7 to 0
⎯
⎯
⎯
Data
7 to 0
⎯
Data
7 to 0
Data 7
to 0
Data 39
to 32
Data 71
to 64
…
Data
231 to
224
Rev.1.00 Jan. 10, 2008 Page 395 of 1658
WE3
Asserted
Asserted Asserted
Asserted Asserted Asserted Asserted
Asserted Asserted Asserted Asserted
Asserted Asserted Asserted Asserted
Asserted Asserted Asserted Asserted
…
Asserted Asserted Asserted Asserted
11. Local Bus State Controller (LBSC)
Asserted
…
WE2
Strobe Signals
WE1
Asserted
Asserted Asserted
…
REJ09B0261-0100
WE0
Asserted
…