Datasheet

SAM9G45 [DATASHEET]

Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15

996

Figure 40-16. DMAC Transfer Flow for Linked List Source Address and Contiguous Destination Address

Channel Enabled by

software

LLI Fetch

Hardware reprograms

SADDRx, CTRLAx,CTRLBx, DSCRx

HDMA buffer transfer

Writeback of control

information of LLI

Is HDMA in

Row 1 ?

Channel Disabled by

hardware

Buffer Complete interrupt

generated here

HDMA Transfer Complete

interrupt generated here

yes