Техническая Спецификация для Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK
Модели
AT91SAM9M10-G45-EK
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.
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