SH7706 Datasheet, PDF (249/749 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7700 Series

Section 8 Bus State Controller (BSC)
Table 8.16 8-Bit External Device/Little Endian Access and Data Alignment
Data Bus
Operation
D31 to D23 to D15 to D7 to WE3,
D24 D16 D8
D0
DQMUU
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
7 to 0
2nd time —
—
—
Data
at 1
15 to 8
Word
1st time —
—
—
Data
access at 2 at 2
7 to 0
2nd time —
—
—
Data
at 3
15 to 8
Longword 1st time —
—
—
Data
access at 0 at 0
7 to 0
2nd time —
—
—
Data
at 1
15 to 8
3rd time —
—
—
Data
at 2
23 to 16
4th time —
—
—
Data
at 3
31 to 24
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 201 of 698
REJ09B0146-0500