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Table 8-1 (2)
Overview of DMAC Functions (Full Address Mode)
Transfer Mode
•
Normal mode
Auto-request
Transfer request retained
internally
Transfers continue for the
specified number of times (1 to
65536)
Choice of burst or cycle steal
transfer
External request
1-byte or 1-word transfer
executed for one transfer request
1 to 65536 transfers
•
Block transfer mode
Specified block size transfer
executed for one transfer request
1 to 65536 transfers
Either source or destination
specifiable as block area
Block size: 1 to 256 bytes or
words
210
Transfer Source
•
Auto-request
•
External request
•
TPU channel 0 to
5 compare
match/input
capture A interrupt
•
SCI transmit-data-
empty interrupt
•
SCI reception
complete interrupt
•
External request
•
A/D converter
conversion end
interrupt
Address Register Bit Length
Source
Destination
24
24
24
24
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