AT32UC3B0512-A2UT Atmel, AT32UC3B0512-A2UT Datasheet - Page 395

• Manufacturer Part Number: AT32UC3B0512-A2UT
• Description: IC MCU AVR32 512K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3B0512-A2UT

• Core Processor: AVR
• Core Size: 32-Bit
• Speed: 60MHz
• Connectivity: I²C, IrDA, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 44
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 96K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Controller Family/series: AT32UC3B
• No. Of I/o's: 44
• Ram Memory Size: 96KB
• Cpu Speed: 60MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

32059K–03/2011
TXOUTI
FIFOCON
TXOUTI
FIFOCON
TXOUTI shall be cleared by software (by writing a one to the Transmitted OUT Data Interrupt
Clear (TXOUTIC) bit in UPCONnCLR) to acknowledge the interrupt, what has no effect on the
pipe FIFO.
The user then writes into the FIFO (see
DATA)” on page
OUT pipe is composed of multiple banks, this also switches to the next bank. The TXOUTI and
FIFOCON bits are updated in accordance with the status of the next bank.
TXOUTI shall always be cleared before clearing FIFOCON.
The UPSTAn.RWALL bit is set when the current bank is not full, i.e., the software can write fur-
ther data into the FIFO.
Note that if the user decides to switch to the Suspend state (by writing a zero to the
UHCON.SOFE bit) while a bank is ready to be sent, the USBB automatically exits this state and
the bank is sent.
Figure 22-27. Example of an OUT Pipe with one Data Bank
Figure 22-28. Example of an OUT Pipe with two Data Banks and no Bank Switching Delay
SW
SW
write data to CPU
write data to CPU
BANK 0
BANK 0
481) and clears the FIFOCON bit to allow the USBB to send the data. If the
SW
OUT
SW
OUT
SW
(bank 0)
DATA
write data to CPU
”USB Pipe/Endpoint n FIFO Data Register (USBFIFOn-
BANK 1
(bank 0)
DATA
ACK
HW
HW
ACK
SW
OUT
SW
SW
write data to CPU
(bank 1)
DATA
write data to CPU
BANK 0
BANK0
AT32UC3B
ACK
SW
OUT
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