Datasheet

SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
968
40. DMA Controller (DMAC)
40.1 Description
The DMA Controller (DMAC) is an AHB-central DMA controller core that transfers data from a source peripheral to
a destination peripheral over one or more AMBA buses. One channel is required for each source/destination pair.
In the most basic configuration, the DMAC has one master interface and one channel. The master interface reads
the data from a source and writes it to a destination. Two AMBA transfers are required for each DMAC data
transfer. This is also known as a dual-access transfer.
The DMAC is programmed via the APB interface.