Hitachi SH7750 series Hardware Manual page 324

Table 13.8 16-Bit External Device/Big-Endian Access and Data Alignment
Operation
Access
Size Address No. D31–D24 D23–D16 D15–D8 D7–D0
Byte 2n 1
2n+1 1
Word 2n 1
Long- 4n 1
word
4n+2 2
Quad- 8n 1
word
8n+2 2
8n+4 3
8n+6 4
Data Bus
— —
— —
— —
— —
— —
— —
— —
— —
— —
:(6 :(6,
:(6 :(6
&$66 &$66,
&$66 &$66
DQM3
Data —
7–0
— Data
7–0
Data Data
15–8 7–0
Data Data
31–24 23–16
Data Data
15–8 7–0
Data Data
63–56 55–48
Data Data
47–40 39–32
Data Data
31–24 23–16
Data Data
15–8 7–0
Strobe Signals
:(5, :(5 :(4, :(4
:(5 :(5 :(4 :(4
&$65, &$65 &$64, &$64
&$65 &$65 &$64 &$64
DQM2 DQM1
Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Rev. 4.0, 04/00, page 313 of 850
:(3, :(3
:(3 :(3
&$63, &$63
&$63 &$63
DQM0
Asserted