SH7720 Datasheet, PDF (397/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 9 Bus State Controller (BSC)
Table 9.10 16-Bit External Device/Little Endian Access and Data Alignment
Data Bus
Strobe Signals
Operation
D31 to D23 to D15 to
D24 D16 D8
D7 to
D0
WE3(BE3), WE2(BE2), WE1(BE1), WE0(BE0),
DQMUU DQMUL DQMLU DQMLL
Byte access at 0



Data 


Assert
7 to 0
Byte access at 1


Data



Assert

7 to 0
Byte access at 2



Data 


Assert
7 to 0
Byte access at 3


Data



Assert

7 to 0
Word access at 0


Data
Data 

Assert
Assert
15 to 8 7 to 0
Word access at 2


Data
Data 

Assert
Assert
15 to 8 7 to 0
Longword 1st


Data
Data 

Assert
Assert
access time at 0
15 to 8 7 to 0
at 0
2nd


Data
Data 

Assert
Assert
time at 1
31 to 24 23 to 16
Rev. 3.00 Jan. 18, 2008 Page 335 of 1458
REJ09B0033-0300