HD6417750 Datasheet, PDF (428/1039 Pages) Renesas Technology Corp – SuperH RISC engine

Table 13.10 8-Bit External Device/Big-Endian Access and Data Alignment
Operation
Data Bus
Access
Size Address No. D31–D24 D23–D16 D15–D8 D7–D0
Byte n
1—
—
—
Data
7–0
Word 2n
1—
—
—
Data
15–8
2n+1 2 —
—
—
Data
7–0
Long- 4n
1—
—
—
Data
word
31–24
4n+1 2 —
—
—
Data
23–16
4n+2 3 —
—
—
Data
15–8
4n+3 4 —
—
—
Data
7–0
Quad- 8n
1—
—
—
Data
word
63–56
8n+1 2 —
—
—
Data
55–48
8n+2 3 —
—
—
Data
47–40
8n+3 4 —
—
—
Data
39–32
8n+4 5 —
—
—
Data
31–24
8n+5 6 —
—
—
Data
23–16
8n+6 7 —
—
—
Data
15–8
8n+7 8 —
—
—
Data
7–0
:(6,
&$66,
DQM3
Strobe Signals
:(5,
&$65,
DQM2
:(4,
&$64,
DQM1
:(3,
&$63,
DQM0
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Asserted
Rev. 6.0, 07/02, page 376 of 986