AT32UC3B0256-A2UR Atmel, AT32UC3B0256-A2UR Datasheet - Page 386

• 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: -

22.7.2.13
32059K–03/2011
Management of OUT endpoints
•Overview
Figure 22-19. Abort Algorithm
OUT packets are sent by the host. All the data can be read which acknowledges or not the bank
when it is empty.
The endpoint must be configured first.
The RXOUTI bit is set at the same time as FIFOCON when the current bank is full. This triggers
an EPnINT interrupt if the Received OUT Data Interrupt Enable (RXOUTE) bit in UECONn is
one.
RXOUTI shall be cleared by software (by writing a one to the Received OUT Data Interrupt Clear
(RXOUTIC) bit) to acknowledge the interrupt, what has no effect on the endpoint FIFO.
The user then reads from the FIFO (see
DATA)” on page
composed of multiple banks, this also switches to the next bank. The RXOUTI and FIFOCON
bits are updated in accordance with the status of the next bank.
RXOUTI shall always be cleared before clearing FIFOCON.
The RWALL bit is set when the current bank is not empty, i.e. the software can read further data
from the FIFO.
TXINEC = 1
EPRSTn = 1
Abort Done
NBUSYBK
Endpoint
Abort
481) and clears the FIFOCON bit to free the bank. If the OUT endpoint is
== 0?
Yes
No
Yes
KILLBKS = 1
KILLBK
No
”USB Pipe/Endpoint n FIFO Data Register (USBFIFOn-
== 1?
Disable the TXINI interrupt.
Abort is based on the fact
that no bank is busy, i.e.,
that nothing has to be sent
Wait for the end of the
procedure
Kill the last written bank.
AT32UC3B
386