Table 13.9 16-Bit External Device/Big-Endian Access And Data Alignment - Hitachi SH7751 Hardware Manual

Table 13.9 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
— — Data
7–0
— — —
— — Data
15–8
— — Data
31–24
— — Data
15–8
— — Data
63–56
— — Data
47–40
— — Data
31–24
— — Data
15–8






,
   
,
DQM3 DQM2
—
Data
7–0
Data
7–0
Data
23–16
Data
7–0
Data
55–48
Data
39–32
Data
23–16
Data
7–0
Rev. 3.0, 04/02, page 361 of 1064
Strobe Signals






, , ,
   
, ,
DQM1 DQM0
Asserted
Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
Asserted Asserted
,