Datasheet

871
32117D–AVR-01/12
AT32UC3C
The USBC module consists of:
• HSB master interface
•User interface
• USB Core
• Transceiver pads
Figure 32-1. USBC Block Diagram
Note: The USB_VBUS pin is 5V tolerant
Interrupt
Controller
USB Interrupts
DM
USB_VBOF
USB
I/O
Controller
DP
User Interface
SCIF
GCLK_USBC @ 48 MHz
PB
USB 2.0
Co r e
USB clock
domain
System clock
domain
HSB
HSB Master
USB_ID
USB_VBUS
(1