HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 835

• Manufacturer Part Number: HD64F7050
• Description: 32-Bit RISC Microcomputer SuperH RISC engine Family/
• Manufacturer: RENESAS [Renesas Technology Corp]

B.2
Table B.2 shows the SH7050 pin states of BUS related signals.
Table B.2
Note: R is reading operation.
CS0 to CS3
RD
WRH
WRL
A21 to A0
D15 to D8
D7 to D0
CS0 to CS3
RD
WRH
WRL
A21 to A0
D15 to D8
D7 to D0
Pins
Pins
W is writing operation.
Pin States of Bus Related Signals
Pin States of BUS Related Signals
W
W
W
R
R
R
W
W
W
R
R
R
On-Chip
Address
8-Bit Space
ROM
Hi-Z
Hi-Z
—
—
—
H
H
H
H
Address
Valid
Data
Hi-Z
H
H
H
H
L
L
On-Chip
Address
RAM
Hi-Z
Hi-Z
H
H
H
H
H
H
H
Upper Byte
Address
External Common Space
Valid
Data
Hi-Z
H
H
H
H
Address
L
L
Space
8-Bit
Hi-Z
Hi-Z
H
H
H
H
H
H
H
Rev. 5.00 Jan 06, 2006 page 815 of 818
On-Chip Peripheral Module
Address
Upper
Lower Byte
Byte
Hi-Z
Hi-Z
H
H
H
H
H
H
H
Address
Valid
Data
Hi-Z
H
H
H
H
L
L
16-Bit Space
Address
Appendix B Pin States
Lower
Byte
Hi-Z
Hi-Z
H
H
H
H
H
H
H
Word/Long Word
REJ09B0273-0500
Address
Long Word
Valid
Data
Data
Address
H
H
H
L
L
L
Word/
Hi-Z
Hi-Z
H
H
H
H
H
H
H