SH7606 Datasheet, PDF (170/532 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7606 Series

Section 7 Bus State Controller (BSC)
Table 7.6 16-Bit External Device/Big Endian Access and Data Alignment
Data Bus
Strobe Signals
Operation
WE3(BE3), WE2(BE2), WE1(BE1), WE0(BE0),
D31 to D24 D23 to D16 D15 to D8 D7 to D0 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 15 to 8
Longword 1st time 

Data
Data


Assert Assert
access at 0 at 0
31 to 24 23 to 16
2nd time 

Data
Data


Assert Assert
at 2
15 to 8 7 to 0
Rev. 4.00 Sep. 13, 2007 Page 144 of 502
REJ09B0239-0400