AT32UC3A0512AU Atmel Corporation, AT32UC3A0512AU Datasheet - Page 106

• Manufacturer Part Number: AT32UC3A0512AU
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A0512AU

• Flash (kbytes): 512 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

32058K AVR32-01/12
17.3
Figure 17-1. External Interrupt Module block diagram
17.4
17.4.1
17.4.2
17.4.3
EXTINTn
Block Diagram
Product Dependencies
I/O Lines
Power Management
Interrupt
NMI
The External Interrupt and keypad scan pins are multiplexed with PIO lines. To act as external
interrupts, these pins must be configured as inputs pins by the PIO controller. It is also possible
to trigger the interrupt by driving these pins from registers in the PIO controller, or another
peripheral output connected to the same pin.
All interrupts are available in every sleep mode. However, in sleep modes where the clock is
stopped, asynchronous interrupts must be selected.
The external interrupt lines are connected to internal sources of the interrupt controller. Using
the external interrutps requires the interrupt controller to be programmed first.
Using the Non-Maskable Interrupt does not require the interrupt controller to be programmed.
EIM_CTRL
Enable
EIM_DIS
EIM_EN
RC clk
Prescaler
EIM_FILTER
EIM_LEVEL
EIM_MODE
Filter
EIM_EDGE
Polarity
control
PRESC
Edge/Level
Detector
EIM_LEVEL
EIM_MODE
EIM_EDGE
Asynchronus
EIM_SCAN
detector
Shifter
EN
PIN
EIM_ICR
EIM_ISR
INTn
detect
Wake
SCAN
EIM_WAKE
AT32UC3A
EIM_IER
EIM_IDR
EIM_IMR
Mask
IRQn
106