290
Single Read: Figure 10.18 shows the timing when a single address read is performed. As the burst
length is set to 1 in synchronous DRAM burst read/single write mode, only the required data is
output. Consequently, no unnecessary bus cycles are generated even when a cache-through area is
accessed.
CKIO
A25 to A16,
A13
A12
A15, A14,
A11 to A0
CS2
or
CS3
RAS3x
CASx
RD/
WR
DQMxx
D31 to D0
BS
Tr
Tc1
Td1
Tpc
Figure 10.18 Basic Timing for Synchronous DRAM Single Read
Содержание SH7709S
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Страница 292: ...273 T1 CKIO A25 to A0 CSn RD WR RD D31 to D0 WEn D31 to D0 BS T2 Read Write Figure 10 6 Basic Timing of Basic Interface ...
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