r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 472

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 8 EXDMA Controller (EXDMAC)
Rev. 1.00 Sep. 19, 2008 Page 444 of 1270
REJ09B0466-0100
φ pin
Bus cycle
Original
channel
EDACK
Original
channel
ETEND
Other
channel
transfer
request
(EDREQ)
Bus release
Figure 8.34 Auto Request/Burst Mode/Normal Transfer Mode
(Contention with Another Channel/Single Address Mode)
EXDMA single
transfer cycle
EXDMA single
transfer cycle
Last transfer
EXDMA single
transfer cycle
cycle
1 cycle
Bus
release
Other channel EXDMA cycle
release
Bus