at91sam9x35-cu ATMEL Corporation, at91sam9x35-cu Datasheet - Page 22

• Manufacturer Part Number: at91sam9x35-cu
• Description: At91sam Arm-based Embedded Mpu
• Manufacturer: ATMEL Corporation

6.8
22
DMA Controller 0
SAM9X35
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 also given in
6-3
Table 6-3.
Instance name
HSMCI0
SPI0
SPI0
USART0
USART0
USART1
USART1
TWI0
TWI0
TWI2
TWI2
UART0
UART0
SSC
SSC
• 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
DMA Channel Definition
T/R
RX/TX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
10
13
DMA Channel HW
interface Number
0
1
2
3
4
5
6
7
8
9
11
12
14
11055AS–ATARM–27-Jul-11
Table