Open main menu

DAVE Developer's Wiki β

Changes

USB interfaces (Naon)

1,125 bytes added, 09:26, 23 July 2012
Created page with "{{InfoBoxTop}} {{AppliesToNaon}} {{Applies To NaonEVB-Lite}} {{Applies To NaonEVB-Mid}} {{InfoBoxBottom}} By default, Naon implements 3 USB interfaces: * USB0 **..."
{{InfoBoxTop}}
{{AppliesToNaon}}
{{Applies To NaonEVB-Lite}}
{{Applies To NaonEVB-Mid}}
{{InfoBoxBottom}}

By default, [[Naon SOM|Naon]] implements 3 USB interfaces:
* USB0
** internal connection: this port refers to USB0 interface integrated in DM8148 processor
** speed: high
** mode: OTG
** signals: DP, DM, ID, VBUS, DRVVBUS
* USB1
** internal connection: this port refers to downport #1 of on-board hub; upstream port of hub is, in turn, connected to DM8148 USB1 port
** speed: high
** mode: host
** signals: DP (hub), DM (hub)
* USB2
** internal connection: this port refers to downport #2 of on-board hub; upstream port of hub is, in turn, connected to DM8148 USB1 port
** speed: high
** mode: host
** signals: DP (hub), DM (hub)

'''Please note that, on request, USB1 port of DM8148 can be routed, replacing on-board hub'''. In this case USB1 and USB2 ports mentioned above are replaced by this port:
* USB1
** internal connection: this port refers to USB1 interface integrated in DM8148 processor
** speed: high
** mode: host or device (mutually exclusive and selected by software)
** signals: DP, DM, VBUS, DRVVBUS.