Atmel Evaluation Kit AT91SAM9X35-EK AT91SAM9X35-EK Data Sheet

Product codes
AT91SAM9X35-EK
Page of 1301
447
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
31.2.1  DMA Controller 0
Two Masters
Embeds 8 channels
64-byte FIFO for channel 0, 16-byte FIFO for Channel 1 to 7
Features:
Linked List support with Status Write Back operation at End of Transfer
Word, HalfWord, Byte transfer support.
Memory to memory transfer
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 31-1. DMA Channel Definition
Instance name
T/R
DMA Channel HW 
Interface Number 
HSMCI0
RX/TX
0
SPI0 
TX
1
SPI0
RX
2
USART0
TX
3
USART0
RX
4
USART1
TX
5
USART1
RX
6
TWI0
TX
7
TWI0
RX
8
TWI2
TX
9
TWI2
RX
10
UART0
TX
11
UART0
RX
12
SSC
TX
13
SSC
RX
14