AT32UC3A3256AU Atmel Corporation, AT32UC3A3256AU Datasheet - Page 766

• Manufacturer Part Number: AT32UC3A3256AU
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A3256AU

• 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: 110
• Ext Interrupts: 110
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• Sd / Emmc: 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): 128
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 12
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

• ACPA: RA Compare Effect on TIOA
• WAVE
• WAVSEL: Waveform Selection
• ENETRG: External Event Trigger Enable
• EEVT: External Event Selection
Note:
• EEVTEDG: External Event Edge Selection
• CPCDIS: Counter Clock Disable with RC Compare
32072G–11/2011
EEVTEDG
WAVSEL
ACPA
EEVT
0
1
2
3
0
1
2
3
0
1
2
3
1: Waveform mode is enabled.
0: Waveform mode is disabled (Capture mode is enabled).
1: The external event resets the counter and starts the counter clock.
0: The external event has no effect on the counter and its clock. In this case, the selected external event only controls the TIOA
output.
0
1
2
3
1. If TIOB is chosen as the external event signal, it is configured as an input and no longer generates waveforms and subse-
1: Counter clock is disabled when counter reaches RC.
0: Counter clock is not disabled when counter reaches RC.
quently no IRQs .
Effect
UP mode without automatic trigger on RC Compare
UPDOWN mode without automatic trigger on RC Compare
UP mode with automatic trigger on RC Compare
UPDOWN mode with automatic trigger on RC Compare
Edge
none
rising edge
falling edge
each edge
Effect
none
set
clear
toggle
Signal selected as external event
TIOB
XC0
XC1
XC2
TIOB Direction
input
output
output
output
(1)
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