Operation; Transfer Modes - Renesas H8S Series Hardware Manual

7.5

Operation

7.5.1

Transfer Modes

Table 7-5 lists the DMAC modes.
Table 7-5 DMAC Transfer Modes
Transfer Mode
Short
address
mode
Full address
mode
Rev.6.00 Oct.28.2004 page 194 of 1016
REJ09B0138-0600H
Dual
(1) Sequential mode
address
(2) Idle mode
mode
(3) Repeat mode
(4) Single address mode
(5) Normal mode
(6) Block transfer
mode
Transfer Source
•
TPU channel 0 to 5
compare match/input
capture A interrupts
•
SCI transmission data
empty interrupt
•
SCI reception data full
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 transmission data
empty interrupt
•
SCI reception data full
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