Rainbow Electronics AT91CAP9S250A - Manual (Page 286)

286
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
Figure 26-6. Multi Buffer Transfer Using Linked List
System Memory
SADDRx
= DSCRx(0) + 0x0
DADDRx
= DSCRx(0) + 0x4
CTRLAx
= DSCRx(0) + 0x8
CTRLBx
= DSCRx(0) + 0xC
DSCRx(1)
= DSCRx(0) + 0x10
SADDRx
= DSCRx(1) + 0x0
DADDRx
= DSCRx(1) + 0x4
CTRLBx
= DSCRx(1) + 0x8
CTRLBx
= DSCRx(1) + 0xC
DSCRx(2)
= DSCRx(1) + 0x10
DSCRx(0) DSCRx(2)
(points to 0 if
LLI(1) is the last
transfer descriptor DSCRx(1)
LLI(0) LLI(1)