SH7014 Datasheet, PDF (743/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Appendix C Pin States
C.2 Pin States of Bus Related Signals
Table C.2 Pin Settings for On-Chip Peripheral Modules
On-Chip Peripheral Module
16-Bit Space
Pin Name
On-Chip ROM On-Chip
Lower
(SH7016/17 only) RAM
8-Bit Space Upper Byte Byte
Word/
Longword
CS0 to CS3 H
H
H
H
H
H
RAS*¹
H
CASH*²
H
CASL*²
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
RDWR
H
H
H
H
H
H
AH
L
L
L
L
L
L
RD
RH
H
H
H
H
H
W⎯
H
H
H
H
H
WRH R H
H
H
H
H
H
W⎯
H
H
H
H
H
WRL R H
H
H
H
H
H
W⎯
H
H
H
H
H
A21 to A0
Address
Address Address Address Address Address
D15 to D8
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
D7 to D0
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Legend:
R: Read
W: Write
Notes: 1. L asserted in RAS down state or refresh state.
2. L asserted in refresh state.
Rev.5.00 Sep. 27, 2007 Page 709 of 716
REJ09B0398-0500