SH7709S Datasheet, PDF (402/807 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

CKIO
A25 to A0
CSn
WE
D31 to D0
DACKn
BS
CKIO
A25 to A0
CSn
RD
D31 to D0
DACKn
BS
Address output to external memory space
Write strobe signal to external memory space
Data output from external device with DACK
DACK signal (active-low) to external device with DACK
(a) External device with DACK external memory space (ordinary memory)
Address output to external memory space
Read strobe signal to external memory space
Data output from external memory space
DACK signal (active-low) to external device with DACK
(b) External memory space (ordinary memory) external device with DACK
Figure 11.10 Example of DMA Transfer Timing in Single Address Mode
Rev. 5.00, 09/03, page 358 of 760