AT32UC3B1256-Z1UR Atmel, AT32UC3B1256-Z1UR Datasheet - Page 368

• Manufacturer Part Number: AT32UC3B1256-Z1UR
• Description: MCU AVR32 256K FLASH 48-QFN
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3B1256-Z1UR

• Package / Case: 48-QFN Exposed Pad
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 60MHz
• Number Of I /o: 28
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, IrDA, SPI, SSC, UART/USART, USB
• Core Size: 32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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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