Datasheet

21
SAM9M10 [SUMMARY]
6355ES–ATARM–12-Mar-13
6.4 USB
The SAM9M10 features USB communication ports as follows:
z 2 Ports USB Host full speed OHCI and High speed EHCI
z 1 Device High speed
USB Host Port A is directly connected to the first UTMI transceiver.
The Host Port B is multiplexed with the USB device High speed and connected to the second UTMI port. The selection
between Host Port B and USB device high speed is controlled by a the bit UDPHS enable bit located in the
UDPHS_CTRL control register.
Figure 6-2. USB Selection
6.5 DMA Controller
z Two Masters
z Embeds 8 channels
z 64 bytes/FIFO for Channel Buffering
z Linked List support with Status Write Back operation at End of Transfer
z Word, HalfWord, Byte transfer support.
SPI0 Transmit
SSC1 Transmit
SSC0 Transmit
TSADCC Receive
DBGU Receive
USART3 Receive
USART2 Receive
USART1 Receive
USART0 Receive
AC97C Receive
SPI1 Receive
SPI0 Receive
SSC1 Receive
SSC0 Receive
Table 6-6. Peripheral DMA Controller
Instance name Channel T/R
HS
Transceiver
DMA
HS
USB
DMA
HS HCI
FS HCI
PA PB
HS
Transceiver
1
0
N UDPHS