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8.5
Operation
8.5.1
Transfer Modes
Table 8-5 lists the DMAC modes.
Table 8-5
DMAC Transfer Modes
Transfer Mode
Short
Dual
address
address
mode
mode
(4) Single address mode
Full address
mode
240
(1) Sequential mode
(2) Idle mode
(3) Repeat mode
(5) Normal mode
(6) Block transfer
mode
Transfer Source
•
TPU channel 0 to 5
compare match/input
capture A interrupt
•
SCI transmit-data-empty
interrupt
•
SCI reception complete
interrupt
•
A/D converter
conversion end
interrupt
•
External request
•
External request
•
Auto-request
•
TPU channel 0 to 5
compare match/input
capture A interrupt
•
SCI transmit-data-empty
interrupt
•
SCI reception complete
interrupt
•
A/D converter
conversion end interrupt
•
External request
Remarks
•
Up to 4 channels can
operate independently
•
External request
applies to channel B
only
•
Single address mode
applies to channel B
only
•
Modes (1), (2), and (3)
can also be specified
for single address
mode
•
Max. 2-channel
operation, combining
channels A and B
With auto-request,
•
burst mode transfer or
cycle steal transfer
can be selected
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