HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 470

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 8 EXDMA Controller (EXDMAC)
After one byte or word has been transferred in response to one transfer request, the bus is released.
While the bus is released, one or more CPU, DMAC, or DTC bus cycles are initiated.
Rev.7.00 Mar. 18, 2009 page 402 of 1136
REJ09B0109-0700
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Address bus
HWR
LWR
EDACK
ETEND
Bus release
Figure 8.25 Example of Single Address Mode (Word Write) Transfer
DMA write
Bus release
DMA write
Bus release
Last transfer cycle
DMA write
Bus
releas e