SH7670 Datasheet, PDF (244/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 7 Bus State Controller (BSC)
Table 7.5 32-Bit External Device Access and Data Alignment in Big Endian
Operation
D31 to
D24
Byte access Data
at 0
7 to 0
Byte access 
at 1
Byte access 
at 2
Byte access 
at 3
Word access Data
at 0
15 to 8
Word access 
at 2
Longword Data
access at 0 31 to 24
Data Bus
D23 to
D16
D15 to
D8


Data
7 to 0



Data
7 to 0

Data
7 to 0

Data
23 to 16

Data
15 to 8
Data
15 to 8
WE3,
D7 to D0 DQMUU

Assert




Data
7 to 0


Assert
Data
7 to 0
Data
7 to 0

Assert
Strobe Signals
WE2,
DQMUL
WE1,
DQMLU


Assert


Assert


Assert


Assert
Assert
Assert
WE0,
DQMLL



Assert

Assert
Assert
Rev. 1.00 Nov. 14, 2007 Page 218 of 1262
REJ09B0437-0100