SH7080_09 Datasheet, PDF (1584/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Appendix
External Space (Normal Space)
32-bit Space
Pin Name
WE
Most
Significant Second
Byte
Byte
RH
H
Least
Significant Upper
Third Byte Byte
Word
H
H
H
Lower
Word
H
Longword
H
WH
H
H
H
H
H
H
ICIOWR
RH
H
H
H
H
H
H
WH
H
H
H
H
H
H
A29 to A0
Address Address Address Address Address Address Address
D31 to D24
Data
Hi-Z
Hi-Z
Hi-Z
Data
Hi-Z
Data
D23 to D16
Hi-Z
Data
Hi-Z
Hi-Z
Data
Hi-Z
Data
D15 to D8
Hi-Z
Hi-Z
Data
Hi-Z
Hi-Z
Data
Data
D7 to D0
Hi-Z
Hi-Z
Hi-Z
Data
Hi-Z
Data
Data
[Legend]
R:
Read
W:
Write
Notes: 1. Chip select signals corresponding to accessed areas = Low.
The other chip select signals = High.
2. RASL/CASL = Low when address wherein A25 = 0 is accessed. RASU/CASU = Low
when address wherein A25 = 1 is accessed.
Rev. 4.00 Dec. 15, 2009 Page 1524 of 1558
REJ09B0181-0400