SH7708 Datasheet, PDF (244/633 Pages) Renesas Technology Corp – SuperH™ RISC engine

Table 10.9 32-Bit External Device/Little Endian Access and Data Alignment
Data Bus
Operation D31–D24 D23–D16 D15–D8 D7–D0
Address 0 —
—
—
Data
byte access
7–0
Address 1 —
—
Data —
byte access
7–0
Address 2 —
byte access
Data
—
—
7–0
Address 3 Data
—
byte access 7–0
—
—
Address 0 —
—
Data Data
word access
15–8 7–0
Address 2 Data
Data
—
—
word access 15–8
7–0
Address 0
longword
access
Data
31–24
Data
23–16
Data
15–8
Data
7–0
Strobe Signal
WE3, WE2, WE1, WE0,
CASHH, CASHL, CASLH, CASLL,
DQMUU DQMUL DQMLU DQMLL
—
—
—
Asserted
—
—
Asserted —
—
Asserted —
—
Asserted —
—
—
—
—
Asserted Asserted
Asserted Asserted —
—
Asserted Asserted Asserted Asserted
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