HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 229

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Transfer on channel 0
Transfer on channel 1
Transfer on channel 2
Transfer on channel 3
Initial priority setting
Initial priority setting
Initial priority setting
Initial priority setting
Priority after transfer
Priority after transfer
Priority after transfer
Priority after transfer
due to issue of a transfer
request for channel 1
only.
Priority after transfer
Figure 10.3 (1) Round Robin Mode
CH0 > CH1 > CH2 > CH3
CH0 > CH1 > CH2 > CH3
CH0 > CH1 > CH2 > CH3
CH0 > CH1 > CH2 > CH3
CH0 > CH1 > CH2 > CH3
CH3 > CH0 > CH1 > CH2
CH2 > CH3 > CH0 > CH1
CH1 > CH2 > CH3 > CH0
CH2 > CH3 > CH0 > CH1
10. Direct Memory Access Controller (DMAC)
Rev.4.00 Mar. 27, 2008 Page 185 of 882
Channel 0 is given the lowest
priority.
When channel 1 is given the
lowest priority, the priority
of channel 0, which was
above channel 1, is also shifted
simultaneously.
When channel 2 receives the
lowest priority, the priorities
of channel 0 and 1, which
were above channel 2, are also
shifted simultaneously. Immedi-
ately thereafter, if there is a transfer
request for channel 1 only, channel
1 is given the lowest priority,
and the priorities of channels 3
and 0 are simultaneously
shifted down.
No change in priority.
REJ09B0108-0400