AT32UC3B0256-A2UR Atmel, AT32UC3B0256-A2UR Datasheet - Page 390

• Manufacturer Part Number: AT32UC3B0256-A2UR
• Description: MCU AVR32 256K FLASH 64-TQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3B0256-A2UR

• Package / Case: 64-TQFP, 64-VQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 60MHz
• Number Of I /o: 44
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, IrDA, SPI, SSC, UART/USART, USB
• Core Size: 32-Bit
• Package: 64TQFP
• Device Core: AVR32
• Family Name: AT32
• Maximum Speed: 60 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 44
• Interface Type: I2S/SPI/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

22.7.3
22.7.3.1
22.7.3.2
32059K–03/2011
USB Host Operation
Description of pipes
Power-On and reset
For the USBB in host mode, the term “pipe” is used instead of “endpoint” (used in device mode).
A host pipe corresponds to a device endpoint, as described by the
from the USB specification.
Figure 22-22. USB Communication Flow
In host mode, the USBB associates a pipe to a device endpoint, considering the device configu-
ration descriptors.
Figure 22-23 on page 390
Figure 22-23. Host Mode States
After a hardware reset, the USBB host mode is in the Reset state.
When the USBB is enabled (USBE is one) in host mode (ID is zero), its host mode state goes to
the Idle state. In this state, the controller waits for device connection with minimal power con-
describes the USBB host mode main states.
Clock stopped
Ready
Macro off
Device
Connection
SOFE = 1
Device
Disconnection
SOFE = 0
Idle
Suspend
Device
Disconnection
<any
other
state>
Figure 22-22 on page 390
AT32UC3B
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