7.2.2 Terminology Used in DMAC Transfers
Name | Description |
|---|---|
Beat | It is a single bus access by the DMAC. Configurable as 8-bit, 16-bit, or 32-bit |
Burst | It is a transfer of n-beats (n=1,4,8,16). For the DMAC module in SAM, the burst size is one beat. Arbitration takes place each time a burst transfer is completed |
Block transfer | A single block transfer is a configurable number of (1 to 64k) beat transfers |