Datasheet

448
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
31.2.2 DMA Controller 1
Two Masters
Embeds 8 channels
16-bytes FIFO per Channel
Features:
Linked List support with Status Write Back operation at End of Transfer
Word, HalfWord, Byte transfer support.
Peripheral to memory
Memory to peripheral
The DMA controller can handle the transfer between peripherals and memory and so receives the triggers from the
peripherals below. The hardware interface numbers are provided in Table 31-2.
Table 31-2. DMA Channel Definition
Instance name T/R
DMA Channel HW
Interface Number
HSMCI1 RX/TX 0
SPI1 TX 1
SPI1 RX 2
SMD TX 3
SMD RX 4
TWI1 TX 5
TWI1 RX 6
ADC RX 7
DBGU TX 8
DBGU RX 9
UART1 TX 10
UART1 RX 11
USART2 TX 12
USART2 RX 13