Operation; Transfer Modes - Renesas H8S/2633 Series Hardware Manual

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
274
Transfer Source
•
(1) Sequential mode
(2) Idle mode
(3) Repeat mode
•
•
•
•
•
(5) Normal mode
•
•
(6) Block transfer
mode
•
•
•
•
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