at91sam9x35-cu ATMEL Corporation, at91sam9x35-cu Datasheet - Page 21

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

6.7
11055AS–ATARM–27-Jul-11
USB
The SAM9X35 features the following USB communication ports:
The High Speed USB Host Port A is shared with the High Speed USB Device port and con-
nected to the second UTMI transceiver. The selection between Host Port A and USB Device is
controlled by the UDPHS enable bit (EN_UDPHS) located in the UDPHS_CTRL control register.
• 2 Host (A and B) High Speed (EHCI) and Full Speed (OHCI)
• 1 Host (C) Full Speed only (OHCI)
• 1 Device High Speed
Transceiver
FS
PC
HS USB Host
HS EHCI
FS OHCI
Transceiver
DMA
PB
HS
PA
0
Transceiver
HS
Device
USB
DMA
HS
1
EN_UDPHS
SAM9X35
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