Hitachi SH7750 series Hardware Manual page 328

Table 13.11 32-Bit External Device/Little-Endian Access and Data Alignment
Operation
Access
Size Address No.
Byte 4n 1
4n+1 1
4n+2 1
4n+3 1
Word 4n 1
4n+2 1
Long- 4n 1
word
Quad- 8n 1
word
8n+4 2
Data Bus
D31–D24 D23–D16
—
— —
— Data
7–0
Data —
7–0
— —
Data Data
15–8 7–0
Data Data
31–24 23–16
Data Data
31–24 23–16
Data Data
63–56 55–48
D15–D8 D7–D0
— Data
7–0
Data —
7–0
— —
— —
Data Data
15–8 7–0
— —
Data Data
15–8 7–0
Data Data
15–8 7–0
Data Data
47–40 39–32
Strobe Signals
:(6, :(6 :(5 :(5, :(4 :(4,
:(6 :(6 :(5 :(5 :(4 :(4
&$66, &$66 &$65 &$65, &$64 &$64,
&$66 &$66 &$65 &$65 &$64 &$64
DQM3 DQM2 DQM1
Asserted
Asserted
Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted Asserted Asserted
Asserted Asserted Asserted Asserted
Asserted Asserted Asserted Asserted
Rev. 4.0, 04/00, page 317 of 850
:(3, :(3
:(3 :(3
&$63, &$63
&$63 &$63
DQM0
Asserted