SH7708 Datasheet, PDF (242/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

Table 10.932-Bit External Device/Little Endian Access and Data Alignment
Data Bus
Strobe Signal
WE3 , WE2 , WE1 , WE0 ,
CASHH , CASHL , CASLH , CASLL,
Operation D31–D24D23–D16D15–D8 D7–D0 DQMUU DQMUL DQMLU DQMLL
Address 0 —
—
—
Data —
—
—
Asserted
byte access
7–0
Address 1 —
—
Data —
—
—
Asserted —
byte access
7–0
Address 2 —
byte access
Data
—
—
—
Asserted —
—
7–0
Address 3 Data
—
byte access 7–0
—
—
Asserted —
—
—
Address 0 —
—
Data Data —
—
Asserted Asserted
word access
15–8 7–0
Address 2 Data
Data
—
—
Asserted Asserted —
—
word access 15–8
7–0
Address 0
longword
access
Data
31–24
Data
23–16
Data
15–8
Data
7–0
Asserted Asserted Asserted Asserted
228