AT32UC3A0256 Atmel Corporation, AT32UC3A0256 Datasheet - Page 581

• Manufacturer Part Number: AT32UC3A0256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A0256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 109
• Ext Interrupts: 109
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 1
• Uart: 4
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 16
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Operating Voltage (vcc): 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 10
• Output Compare Channels: 16
• Input Capture Channels: 6
• Pwm Channels: 13
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

AT32UC3A
Clearing has no effect.
Always read as 0.
• NAKINIS: NAKed IN Interrupt Flag Set
Set to set NAKINI, what may be useful for test or debug purposes.
Clearing has no effect.
Always read as 0.
• OVERFIS: Overflow Interrupt Flag Set
Set to set OVERFI, what may be useful for test or debug purposes.
Clearing has no effect.
Always read as 0.
• STALLEDIS: STALLed Interrupt Flag Set
Set to set STALLEDI, what may be useful for test or debug purposes.
Clearing has no effect.
Always read as 0.
• CRCERRIS: CRC Error Interrupt Flag Set
Set to set CRCERRI, what may be useful for test or debug purposes.
Clearing has no effect.
Always read as 0.
• SHORTPACKETS: Short Packet Interrupt Flag Set
Set to set SHORTPACKET, what may be useful for test or debug purposes.
Clearing has no effect.
Always read as 0.
• NBUSYBKS: Number of Busy Banks Interrupt Flag Set
Set to force the Number of Busy Banks interrupt flag (NBUSYBK), what may be useful for test or debug purposes.
Set again to unforce the Number of Busy Banks interrupt flag (NBUSYBK).
Clearing has no effect.
Always read as 0.
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