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SH7018 Datasheet(PDF) 104 Page - Renesas Technology Corp

Part # SH7018
Description  SuperH??RISC engine
PDF  431 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7018 Datasheet(HTML) 104 Page - Renesas Technology Corp

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7.3
Accessing Ordinary Space
A strobe signal is output by ordinary space accesses to provide primarily for SRAM or ROM
direct connections.
7.3.1
Basic Timing
Figure 7.3 shows the basic timing of ordinary space accesses. Ordinary access bus cycles are
performed in 2 states.
T1
CK
Address
CSn
RD
Read
Write
Data
WRL
Data
T2
Figure 7.3 Basic Timing of Ordinary Space Access
During a read, irrespective of operand size, all bits in the data bus width for the access space
(address) are fetched by the LSI on
RD, using the required byte locations.
During a write, the following signals are associated with transfer of these actual byte locations:
WRL (bits 7 to 0).



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