AT32UC3A1256AU Atmel Corporation, AT32UC3A1256AU Datasheet - Page 700

• Manufacturer Part Number: AT32UC3A1256AU
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A1256AU

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 69
• Ext Interrupts: 69
• 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
• Dram Memory: No
• 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

32058K AVR32-01/12
33.3
Figure 33-1.
33.4
Table 33-1.
33.5
33.5.1
Pin Name
VDDANA
ADVREF
AD0 - AD[
TRIGGER
Block Diagram
I/O Lines Description
Product Dependencies
Analog Inputs
With I/O lines
Multiplexed
ADC_NB_CHANNELS-1]
GPIO
Dedicated
Analog
Inputs
Analog-to-Digital Converter Block Diagram
ADC Pins Description
TRIGGER
VDDANA
ADVREF
AD-
AD-
AD-
AD-
AD-
AD-
GND
The pin TRIGGER may be shared with other peripheral functions through the PIO Controller. In
this case, the PIO Controller should be set accordingly to assign the pin TRIGGER to the ADC
function.
PIO
Description
Analog power supply
Reference voltage
Analog input channels
External trigger
Selection
Channels
Trigger
Counter
Timer
Analog-to-Digital
Approximation
Successive
Converter
Register
ADC
Interface
Control
Logic
User
ADC Interrupt
PDC
INTC
Peripheral Bridge
AT32UC3A
HSB
PB
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