362
Address output to external memory space
Data output from external device with DACK
DACK signal (active-low) to external device with DACK
Write strobe signal to external memory space
Address output to external memory space
Data output from external memory space
DACK signal (active-low) to external device with DACK
Read strobe signal to external memory space
(a) External device with DACK external memory space (ordinary memory)
(b) External memory space (ordinary memory) external device with DACK
CKIO
A25 to A0
D31 to D0
DACKn
CSn
WE
BS
CKIO
A25 to A0
D31 to D0
DACKn
CSn
RD
BS
Figure 11.10 Example of DMA Transfer Timing in Single Address Mode
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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