SH7721 datasheet(398/1524 Pages) RENESAS

Part #	SH7721

Description	Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

PDF	1524 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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398 / 1524 page

Section 9

Bus State Controller (BSC)

Rev. 3.00 Jan. 18, 2008 Page 336 of 1458

REJ09B0033-0300

Table 9.11

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

Data Bus

Strobe Signals

Operation

D31 to

D24

D23 to

D16

D15

to D8

D7 to

WE3(BE3),

DQMUU

WE2(BE2),

DQMUL

WE1(BE1),

DQMLU

WE0(BE0),

DQMLL

Byte access at 0



Data

7 to 0



Assert

Byte access at 1



Data

7 to 0



Assert

Byte access at 2



Data

7 to 0



Assert

Byte access at 3



Data

7 to 0



Assert

1st time

at 0



Data

7 to 0



Assert

Word

access at 0

2nd time

at 1



Data

15 to 8



Assert

1st time

at 2



Data

7 to 0



Assert

Word

access at 2

2nd time

at 3



Data

15 to 8



Assert

1st time

at 0



Data

7 to 0



Assert

2nd time

at 1



Data

15 to 8



Assert

3rd time

at 2



Data

23 to 16



Assert

Longword

access at 0

4th time

at 3



Data

31 to 24



Assert

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