Rainbow Electronics AT91CAP9S250A - Manual (Page 292)

292
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
Figure 26-7. Multi-buffer with Linked List Address for Source and Destination
If the user needs to execute a DMAC transfer where the source and destination address are
contiguous but the amount of data to be transferred is greater than the maximum buffer size
DMAC_CTRLAx.BTSIZE, then this can be achieved using the type of multi-buffer transfer as
shown in
Figure 26-8 on page 293 .
SADDR(2)
SADDR(1)
SADDR(0)
DADDR(2)
DADDR(1)
DADDR(0)
Buffer 2
Buffer 1
Buffer 0 Buffer 0
Buffer 1
Buffer 2
Address of
Source Layer
Address of
Destination Layer
Source Buffers Destination Buffers