r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 471

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

φ pin
Bus cycle
CPU
operation
EDACK
ETEND
φ pin
Bus cycle
CPU
operation
CPU cycle CPU cycle
CPU cycle CPU cycle
External
External
space
space
Figure 8.32 Auto Request/Burst Mode/Normal Transfer Mode
Figure 8.33 Auto Request/Burst Mode/Normal Transfer Mode
External
External
space
space
(CPU Cycles/Single Address Mode/BGUP = 1)
(CPU Cycles/Dual Address Mode/BGUP = 1)
single cycle
External
External
EXDMA
EXDMA
space
space
read
single cycle
EXDMA
EXDMA
write
1 bus cycle
1 bus cycle
CPU cycle
CPU cycle
single cycle
External
External
EXDMA
EXDMA
space
space
read
Rev. 1.00 Sep. 19, 2008 Page 443 of 1270
Section 8 EXDMA Controller (EXDMAC)
single cycle
EXDMA
EXDMA
write
1 bus cycle
CPU cycle
CPU cycle
Last transfer cycle
single cycle
REJ09B0466-0100
EXDMA
EXDMA
read
CPU cycle
External
EXDMA
space
write