SH7147 Datasheet, PDF (242/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 9 Bus State Controller (BSC)
CK
T1
T2
T1
T2
A19 to A0
CSn
Read
Write
RD
D7 to D0
WRL
D7 to D0
WAIT
Figure 9.4 Continuous Access for Normal Space 2
Bus Width = 8 Bits, Longword Access, WM Bit in CSnWCR = 1
(Access Wait = 0, Cycle Wait = 0)
This LSI
A16
A0
CSn
RD
D7
128 k × 8 bits
SRAM
A16
A0
CS
OE
I/O7
D0
I/O0
WRL
WE
Figure 9.5 Example of 8-Bit Data-Width SRAM Connection
Rev. 3.00 Oct. 06, 2008 Page 218 of 1080
REJ09B0230-0300