SH7018 Datasheet, PDF (427/431 Pages) Renesas Technology Corp – SuperH™ RISC engine

B.2 Bus-Related Signals and Pin States
Table B.2 Bus-Related Signals and Pin States
On-Chip Peripheral Modules
Normal External Space
Pin Name
On-Chip
RAM
Space
8-Bit
Space
Upper
Bytes
16-Bit Space
Lower
Bytes
Word/
Upper
Longword Bytes
16-Bit Space
Lower
Bytes
Word/
Longword
CS0 to CS3 H
H
H
H
H
Enabled Enabled Enabled
RD
RH
H
H
H
H
L
L
L
WH
H
H
H
H
H
H
H
WRH
RH
H
H
H
H
H
H
H
WH
H
H
H
H
L
H
L
WRL
RH
H
H
H
H
H
H
H
WH
H
H
H
H
H
L
L
A21 to A0
Address Address Address Address Address Address Address Address
D7 to D0
Z
Z
Z
Z
Z
Z
Data
Data
Legend: R: read, W: write, H: high-level output, L: low-level output,
Z: high impedance, Enabled: chip select signal corresponding to area being accessed is
low-level, otherwise chip select signal is high-level
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