AT32UC3B064-Z2UR Atmel, AT32UC3B064-Z2UR Datasheet - Page 398
![MCU AVR32 64K FLASH 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT32UC3B064-Z2UR
Manufacturer Part Number
AT32UC3B064-Z2UR
Description
MCU AVR32 64K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B064-Z2UR
Package / Case
64-QFN
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
16K x 8
Program Memory Size
64KB (64K 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 398 of 680
- Download datasheet (10Mb)
32059J–12/2010
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
483) 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
398
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