HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 854

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

B. Pin States of Bus Related Signals
Table B.1
[Legend]
R:
W:
Enabled:
Rev.4.00 Mar. 27, 2008 Page 810 of 882
REJ09B0108-0400
Pin Name
CS0 to CS7
RD
WRHH
WRHL
WRH
WRL
A21 to A0
D31 to D24
D23 to D16
D15 to D8
D7 to D0
Read
Write
Chip select signals corresponding to accessed areas = Low
The other chip select signals = High
R
W
R
W
R
W
R
W
R
W
Pin States of Bus Related Signals (2)
8-bit Space
Enabled
L
H
H
H
H
H
H
H
H
L
Address
Hi-Z
Hi-Z
Hi-Z
Data
Upper Byte
Enabled
L
H
H
H
H
H
H
L
H
H
Address
Hi-Z
Hi-Z
Data
Hi-Z
Normal External Space
Lower Byte
Enabled
L
H
H
H
H
H
H
H
H
L
Address
Hi-Z
Hi-Z
Hi-Z
Data
16-bit Space
Word/Longword
Enabled
L
H
H
H
H
H
H
L
H
L
Address
Hi-Z
Hi-Z
Data
Data