Datasheet
Section 8 EXDMA Controller (EXDMAC) 
Page 458 of 1384    R01UH0310EJ0500 Rev. 5.00 
 Sep 25, 2012 
H8S/2426, H8S/2426R, H8S/2424 Group
φ pin
Bus cycle
Original 
channel 
EDACK
Original 
channel 
ETEND
Other 
channel 
transfer 
request 
(EDREQ)
EXDMA single
transfer cycle
EXDMA single
transfer cycle
EXDMA single
transfer cycle
1 cycleLast transfer
cycle
Other channel EXDMA cycle
Bus release
Bus
release
Bus 
release
Figure 8.34 Auto Request/Burst Mode/Normal Transfer Mode 
(Contention with Another Channel/Single Address Mode) 










