R5F61655N50FPV Datasheet, PDF (429/1376 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 11 EXDMA Controller (EXDMAC)
Figure 11.11 shows the block transfer mode operation in single address mode and figure 11.12
shows the block transfer mode operation in dual address mode.
EDREQ
EDRAK
Bus cycle
ETEND
One-block transfer cycle
CPU CPU EXDMAC EXDMAC EXDMAC CPU
CPU cycle not generated
Figure 11.10 Example of Block Transfer Mode
Address T
Address B
Block
BKSZH ×
data access size
Transfer
EDACK
Figure 11.11 Block Transfer Mode Operation in Single Address Mode
(with Block Area Specified)
Rev. 2.00 Oct. 20, 2009 Page 397 of 1340
REJ09B0499-0200