SH7764 Datasheet, PDF (366/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 11 Memory Controller Unit (MCU)
Table 11.10 32-Bit External Device/Little-Endian Access and Data Alignment
(Areas 0 and 3)
Operation
Access
D31 to
Size
Address No. D24
Byte
4n
1
Data Bus
D23 to D15 to
D16 D8


4n + 1
4n + 2
4n + 3
Word 4n
4n + 2
Longword 4n
1

Data
7 to 0
1
Data 
7 to 0
1 Data 

7 to 0
1

Data
15 to 8
1 Data Data 
15 to 8 7 to 0
1 Data Data Data
31 to 24 23 to 16 15 to 8
Strobe Signal
D7 to D0 WE3
Data
7 to 0

WE2
WE1 WE0
Assert
Assert

Assert

Assert
Data
7 to 0

Assert Assert
Assert Assert
Data Assert Assert Assert Assert
7 to 0
Table 11.11 16-Bit External Device/Little-Endian Access and Data Alignment
(Areas 0 and 3)
Operation
Access
D31 to
Size
Address No. D24
Byte
2n
1
2n + 1 1 
Word 2n
1
Longword 4n
1
4n + 2 2 
Data Bus
D23 to D15 to
D16 D8
D7 to D0 WE3


Data
7 to 0

Data 
7 to 0

Data Data
15 to 8 7 to 0

Data Data
15 to 8 7 to 0

Data Data
31 to 24 23 to 16
Strobe Signal
WE2 WE1 WE0
Assert
Assert
Assert Assert
Assert Assert
Assert Assert
Rev. 1.00 Nov. 22, 2007 Page 310 of 1692
REJ09B0360-0100