350
6.4
EXDMA Controller (EXDMAC)
6.4.1
Features
•
Four channels
•
Physical address space (16-Mbyte flat external space)
•
Byte or word transfer data length can be selected
•
Maximum number of transfers: 16M (16,777,215)/infinite (free-running)
•
Selection of dual address mode or single address mode
•
Two kinds of EXDMAC transfer activation requests: external request and auto request
•
Cycle steal mode or burst mode can be selected as bus mode
•
Normal mode or block transfer mode can be selected as transfer mode
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