Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
581
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
33.
USB Host High Speed Port (UHPHS)
33.1
Description
The USB Host High Speed Port (UHPHS) interfaces the USB with the host application. It handles Open HCI protocol
(Open Host Controller Interface) as well as Enhanced HCI protocol (Enhanced Host Controller Interface).
(Open Host Controller Interface) as well as Enhanced HCI protocol (Enhanced Host Controller Interface).
33.2
Embedded Characteristics
z
Compliant with Enhanced HCI Rev 1.0 Specification
z
Compliant with USB V2.0 High-speed
z
Supports High-speed 480 Mbps
z
Compliant with OpenHCI Rev 1.0 Specification
z
Compliant with USB V2.0 Full-speed and Low-speed Specification
z
Supports both Low-speed 1.5 Mbps and Full-speed 12 Mbps USB devices
z
Root Hub Integrated with 2 Downstream USB HS Ports and 1 FS Port
z
Embedded USB Transceivers
z
Supports Power Management
z
2 Hosts (A and B) High Speed (EHCI), Port A shared with UDPHS
z
1 Host (C) Full Speed only (OHCI)