SH7080 Datasheet, PDF (345/1644 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 9 Bus State Controller (BSC)
Table 9.19 8-Bit External Device Access and Data Alignment
Operation
Byte access at 0
D31 to
D24

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
access
at 0
1st time 
at 0
2nd time 
at 1
3rd time 
at 2
4th time 
at 3
Data Bus
D23 to
D16
D15 to
D8
























Strobe Signals
D7 to
D0
WRHH, WRHL, WRH, WRL,
DQMUU DQMUL DQMLU DQMLL
Data 7 to 


Assert
Data 0
Data 7 to 


Assert
Data 0
Data 7 to 


Assert
Data 0
Data 7 to 


Assert
Data 0
Data 15 to 


Assert
Data 8
Data 7 to 


Assert
Data 0
Data 15 to 


Assert
Data 8
Data 7 to 


Assert
Data 0
Data 31 to 


Assert
Data 24
Data 23 to 


Assert
Data 16
Data 15 to 


Assert
Data 8
Data 7 to 


Assert
Data 0
Rev. 3.00 May 17, 2007 Page 287 of 1582
REJ09B0181-0300