SH7730 Datasheet, PDF(383/1188 Page) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7780 Series

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SH7730 Datasheet, PDF (383/1188 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7780 Series

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Section 11 Bus State Controller (BSC)

Table 11.14 8-Bit External Device/Little Endian Access and Data Alignment

Data Bus

Operation

D31 to D23 to D15 D7 to

D24 D16 to D8 D0

WE3/

DQMUU

Byte access at 0

ï£§

ï£§

ï£§ Data ï£§

7 to 0

Byte access at 1

ï£§

ï£§

ï£§ Data ï£§

7 to 0

Byte access at 2

ï£§

ï£§

ï£§ Data ï£§

7 to 0

Byte access at 3

ï£§

ï£§

ï£§ Data ï£§

7 to 0

Word

1st time ï£§

ï£§

access at 0 at 0

ï£§ Data ï£§

7 to 0

2nd time ï£§

ï£§

at 1

ï£§ Data ï£§

15 to 8

Word

1st time ï£§

ï£§

access at 2 at 2

ï£§ Data ï£§

7 to 0

2nd time ï£§

ï£§

at 3

ï£§ Data ï£§

15 to 8

Longword 1st time ï£§

ï£§

access at 0 at 0

ï£§ Data ï£§

7 to 0

2nd time ï£§

ï£§

at 1

ï£§ Data ï£§

15 to 8

3rd time ï£§

ï£§

at 2

ï£§ Data ï£§

23 to 16

4th time ï£§

ï£§

at 3

ï£§ Data ï£§

31 to 24

Strobe Signals

WE2/

DQMUL

WE1/

DQMLU

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

ï£§

WE0/

DQMLL

Assert

Assert

Assert

Assert

Assert

Assert

Assert

Assert

Assert

Assert

Assert

Assert

Rev. 1.00 Sep. 19, 2007 Page 335 of 1136

REJ09B0359-0100

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