SH7750_08 Datasheet, PDF (514/1162 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 13 Bus State Controller (BSC)
Table 13.12 32-Bit External Device/Little-Endian Access and Data Alignment
Operation
Data Bus
Access
Size Address No. D31–D24 D23–D16 D15–D8 D7–D0
Byte 4n
1
—
—
Data
7–0
4n + 1 1 —
—
Data
—
7–0
4n + 2 1 —
Data
—
—
7–0
4n + 3 1 Data
—
7–0
—
—
Word 4n
1—
—
Data
Data
15–8
7–0
4n + 2 1 Data
Data
—
—
15–8
7–0
Long- 4n
word
1 Data
31–24
Data
23–16
Data
15–8
Data
7–0
Quad- 8n
word
1 Data
31–24
Data
23–16
Data
15–8
Data
7–0
8n + 4 2
Data
63–56
Data
55–48
Data
47–40
Data
39–32
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
Asserted Asserted Asserted Asserted
Rev.7.00 Oct. 10, 2008 Page 430 of 1074
REJ09B0366-0700