HD6417706 Datasheet, PDF (316/709 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

Figures 9.12 to 9.14 show examples of DMA transfer timing in the single address mode.
CKI0
A25 to A0
Address output to external memory space
D31 to D0
DACKn
Write strobe signal to external memory space
Data output from external device with DACK
DACK signal (active-low) to external device with DACK
CKI0
A25 to A0
D31 to D0
DACKn
(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 external device with DACK (active low)
Figure 9.12 Example of DMA Transfer Timing in the Single Address Mode
Rev. 4.00, 03/04, page 270 of 660