HD6417706 RENESAS [Renesas Technology Corp], HD6417706 Datasheet - Page 306

• Manufacturer Part Number: HD6417706
• Description: Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Rev. 4.00, 03/04, page 260 of 660
(1) When channel 0 transfers
(2) When channel 1 transfers
(3) When channel 2 transfers
(4) When channel 3 transfers
Initial priority order
Initial priority order
Initial priority order
Priority order
afrer transfer
Priority order
afrer transfer
Priority order
afrer transfer
Priority order
afrer transfer
Priority order
afrer transfer
Post-transfer priority order
when there is an
immediate transfer
request to channel 1 only
Figure 9.3 Round-Robin Mode
CH0
CH0
CH0
CH0
CH0
CH3
CH2
CH1
CH2
CH1
CH1
CH1
CH1
CH1
CH0
CH3
CH2
CH3
CH2
CH2
CH2
CH2
CH2
CH1
CH0
CH3
CH0
CH3
CH3
CH3
CH3
CH3
CH2
CH1
CH0
CH1
Channel 2 becomes bottom
priority.
The priority of channels 0 and 1,
which were higher than channel 2,
are also shifted. If immediately
after there is a request to transfer
channel 1 only, channel 1 becomes
bottom priority and the priority of
channels 0 and 3, which were
higher than channel 1, are also
shifted.
Channel 0 becomes bottom
priority
Channel 0 becomes bottom
priority.
The priority of channel 0, which
was higher than channel 3, is also
shifted.
Priority order does not change