SH7146 Datasheet, PDF (261/1022 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 9 Bus State Controller (BSC)
Table 9.7 8-Bit External Device Access and Data Alignment
Operation
Byte access at 0
Byte access at 1
Byte access at 2
Byte access at 3
Word
access
at 0
1st time
at 0
2nd time
at 1
Word
access
at 2
1st time
at 2
2nd time
at 3
Longword 1st time
access at 0
at 0
2nd time
at 1
3rd time
at 2
4th time
at 3
D15 to D8












Data Bus
D7 to D0
Data 7 to Data 0
Data 7 to Data 0
Data 7 to Data 0
Data 7 to Data 0
Data 15 to Data 8
WRH





Data 7 to Data 0 
Data 15 to Data 8 
Data 7 to Data 0 
Data 31 to Data 24 
Data 23 to Data 16 
Data 15 to Data 8 
Data 7 to Data 0 
Strobe Signals
WRL
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Assert
Rev. 3.00 May 17, 2007 Page 217 of 974
REJ09B0229-0300