HD6417751RBP240V Datasheet, PDF (671/1226 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

DMA Operation Register (DMAOR)
31
14. Direct Memory Access Controller (DMAC)
15
98
2 10
Note:
DDT
DDT: 0: Normal DMA mode
1: On-demand data transfer mode
PR[1:0]
Figure 14.42 DDT Mode Setting
AE
NMIF
DME
CKIO
DBREQ
BAVL
TR
A25–A0
D31–D0
CMD
TDACK
ID1, ID0
DTR
No DMA request sampling
CA
CA
D0 D1 D2 D3 D0 D1 D2 D3 D1 D2 D3
WT
WT
Start of data transfer
Figure 14.43 Single Address Mode/Burst Mode/Edge Detection/
External Device → External Bus Data Transfer
Rev.4.00 Oct. 10, 2008 Page 571 of 1122
REJ09B0370-0400