AT91SAM9M10 ATMEL Corporation, AT91SAM9M10 Datasheet - Page 20

• Manufacturer Part Number: AT91SAM9M10
• Description: At91 Arm Thumb-based Microcontrollers
• Manufacturer: ATMEL Corporation

6.4
20
USB
AT91SAM9M10
The Peripheral DMA Controller handles transfer requests from the channel according to the fol-
lowing priorities (Low to High priorities):
Table 6-6.
The AT91SAM9M10 features USB communication ports as follows:
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.
Instance name
DBGU
USART3
USART2
USART1
USART0
AC97C
SPI1
SPI0
SSC1
SSC0
TSADCC
DBGU
USART3
USART2
USART1
USART0
AC97C
SPI1
SPI0
SSC1
SSC0
• 2 Ports USB Host full speed OHCI and High speed EHCI
• 1 Device High speed
Peripheral DMA Controller
Channel T/R
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Transmit
Receive
Receive
Receive
Receive
Receive
Receive
Receive
Receive
Receive
Receive
Receive
6355AS–ATARM–06-Jan-10