HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 492

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

Transfer requests
1. Requests occur
6. Request occurs
in channel 0
in channels
0 and 1
Figure 11.5 Channel Priority in Round-Robin Mode
Waiting channel
0
None
None
2. Channel 1
3. Channel 1
4. Channel 0
5. Channel 0
7. Channel 0
8. Channel 0
DMAC operation
transfer starts
transfer ends
transfer starts
transfer ends
transfer ends
transfer starts
does not change
changes
changes
Priority
Priority
Priority
Channel priority order
transfer request
Waiting for
1
0
1
1
0
1
0
0
477