Datasheet

Section 7 DMA Controller (DMAC)
Page 386 of 1384 R01UH0310EJ0500 Rev. 5.00
Sep 25, 2012
H8S/2426, H8S/2426R, H8S/2424 Group
(2) Single Address Mode (Write)
Figure 7.28 shows a transfer example in which TEND output is enabled and byte-size single
address mode transfer (write) is performed from an external device to external 8-bit, 2-state access
space.
DMA write
Address bus
φ
DMA
dead
HWR
DACK
TEND
Bus
release
LWR
DMA write DMA write DMA write
Bus
release
Bus
release
Bus
release
Bus
release
Last transfer
cycle
Figure 7.28 Example of Single Address Mode Transfer (Byte Write)