SH7706 Datasheet, PDF (247/749 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7700 Series

Section 8 Bus State Controller (BSC)
Table 8.13 8-Bit External Device/Big Endian Access and Data Alignment
Data Bus
Operation
D31 to D23 to D15 to D7 to
D24 D16 D8 D0
Byte access at 0
—
—
—
Data
7 to 0
Byte access at 1
—
—
—
Data
7 to 0
Byte access at 2
—
—
—
Data
7 to 0
Byte access at 3
—
—
—
Data
7 to 0
Word
1st time —
—
—
Data
access at 0 at 0
15 to 8
2nd time —
—
—
Data
at 1
7 to 0
Word
1st time —
—
—
Data
access at 2 at 2
15 to 8
2nd time —
—
—
Data
at 3
7 to 0
Longword 1st time —
—
—
Data
access at 0 at 0
31 to 24
2nd time —
—
—
Data
at 1
23 to 16
3rd time —
—
—
Data
at 2
15 to 8
4th time —
—
—
Data
at 3
7 to 0
WE3,
DQMUU
Strobe Signals
WE2,
DQMUL
WE1,
DQMLU
WE0,
DQMLL
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Rev. 5.00 May 29, 2006 page 199 of 698
REJ09B0146-0500