HD6417750 Datasheet, PDF (427/1039 Pages) Renesas Technology Corp – SuperH RISC engine

Table 13.9 16-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 2n
1—
—
Data —
7–0
2n+1 1 —
—
—
Data
7–0
Word 2n
1—
—
Data Data
15–8 7–0
Long- 4n
1—
—
Data Data
word
31–24 23–16
4n+2 2 —
—
Data Data
15–8 7–0
Quad- 8n
1—
—
Data Data
word
63–56 55–48
8n+2 2 —
—
Data Data
47–40 39–32
8n+4 3 —
—
Data Data
31–24 23–16
8n+6 4 —
—
Data Data
15–8 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 Asserted
Rev. 6.0, 07/02, page 375 of 986