at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 368

• Manufacturer Part Number: at32uc3b0512-z2ues
• Description: 32-bit Avr Microcontroller
• Manufacturer: ATMEL Corporation

22.4
22.4.1
22.4.1.1
22.4.1.2
32059J–12/2010
Application Block Diagram
Device Mode
Bus-Powered device
Self-Powered device
Depending on the USB operating mode (device-only, reduced-host modes) and the power
source (bus-powered or self-powered), there are different typical hardware implementations.
Figure 22-2. Bus-Powered Device Application Block Diagram
Figure 22-3. Self-Powered Device Application Block Diagram
VDD
USB_VBOF
USB
USB_VBOF
USB_ID
USB
VBUS
USB_ID
VBUS
D+
D-
Regulator
D+
D-
3.3 V
39 Ω ± 1%
39 Ω ± 1%
39 Ω ± 1%
39 Ω ± 1%
D-
VBUS
D+
ID
GND
D-
Connector
VBUS
D+
ID
GND
Connector
USB
USB
AT32UC3B
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