AT32UC3B0512-A2UT Atmel, AT32UC3B0512-A2UT Datasheet - Page 438
![IC MCU AVR32 512K FLASH 64TQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT32UC3B0512-A2UT
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
-
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• STALLEDI: STALLed Interrupt
• CRCERRI: CRC Error Interrupt
• OVERFI: Overflow Interrupt
• NAKINI: NAKed IN Interrupt
• NAKOUTI: NAKed OUT Interrupt
• UNDERFI: Underflow Interrupt
• RXSTPI: Received SETUP Interrupt
• RXOUTI: Received OUT Data Interrupt
32059K–03/2011
This bit is set for non-control IN endpoints, a short packet is transmitted upon ending a DMA transfer, thus signaling an end of
isochronous frame or a bulk or interrupt end of transfer, this only if the End of DMA Buffer Output Enable (DMAENDEN) bit and
the Automatic Switch (AUTOSW) bit are written to one.
This triggers an EPnINT interrupt if SHORTPACKETE is one.
This bit is cleared when the SHORTPACKETC bit is written to one. This will acknowledge the interrupt.
This bit is set to signal that a STALL handshake has been sent. To do that, the software has to set the STALLRQ bit (by writing a
one to the STALLRQS bit). This triggers an EPnINT interrupt if STALLEDE is one.
This bit is cleared when the STALLEDIC bit is written to one. This will acknowledge the interrupt.
This bit is set to signal that a CRC error has been detected in an isochronous OUT endpoint. The OUT packet is stored in the
bank as if no CRC error had occurred. This triggers an EPnINT interrupt if CRCERRE is one.
This bit is cleared when the CRCERRIC bit is written to one. This will acknowledge the interrupt.
This bit is set when an overflow error occurs. This triggers an EPnINT interrupt if OVERFE is one.
For all endpoint types, an overflow can occur during OUT stage if the host attempts to write into a bank that is too small for the
packet. The packet is acknowledged and the RXOUTI bit is set as if no overflow had occurred. The bank is filled with all the first
bytes of the packet that fit in.
This bit is cleared when the OVERFIC bit is written to one. This will acknowledge the interrupt.
This bit is set when a NAK handshake has been sent in response to an IN request from the host. This triggers an EPnINT
interrupt if NAKINE is one.
This bit is cleared when the NAKINIC bit is written to one. This will acknowledge the interrupt.
This bit is set when a NAK handshake has been sent in response to an OUT request from the host. This triggers an EPnINT
interrupt if NAKOUTE is one.
This bit is cleared when the NAKOUTIC bit is written to one. This will acknowledge the interrupt.
This bit is set, for isochronous IN/OUT endpoints, when an underflow error occurs. This triggers an EPnINT interrupt if
UNDERFE is one.
An underflow can occur during IN stage if the host attempts to read from an empty bank. A zero-length packet is then
automatically sent by the USBB.
An underflow can also occur during OUT stage if the host sends a packet while the bank is already full. Typically, the CPU is not
fast enough. The packet is lost.
Shall be cleared by writing a one to the UNDERFIC bit. This will acknowledge the interrupt.
This bit is inactive (cleared) for bulk and interrupt IN/OUT endpoints and it means RXSTPI for control endpoints.
This bit is set, for control endpoints, to signal that the current bank contains a new valid SETUP packet. This triggers an EPnINT
interrupt if RXSTPE is one.
Shall be cleared by writing a one to the RXSTPIC bit. This will acknowledge the interrupt and free the bank.
This bit is inactive (cleared) for bulk and interrupt IN/OUT endpoints and it means UNDERFI for isochronous IN/OUT endpoints.
This bit is set, for control endpoints, when the current bank contains a bulk OUT packet (data or status stage). This triggers an
EPnINT interrupt if RXOUTE is one.
Shall be cleared for control end points, by writing a one to the RXOUTIC bit. This will acknowledge the interrupt and free the
bank.
This bit is set for isochronous, bulk and, interrupt OUT endpoints, at the same time as FIFOCON when the current bank is full.
This triggers an EPnINT interrupt if RXOUTE is one.
AT32UC3B
438
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