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AT32UC3A3128-CTUT

32-bit AVR® Microcontroller

Atmel Corporation 

AT32UC3A3/A4

– Support for SPI and LIN

– Optionnal support for IrDA, ISO7816, Hardware Handshaking, RS485 interfaces and Modem Line

• Two Master/Slave Serial Peripheral Interfaces (SPI) with Chip Select Signals

• One Synchronous Serial Protocol Controller

– Supports I2S and Generic Frame-Based Protocols

• Two Master/Slave Two-Wire Interface (TWI), 400kbit/s I2C-compatible

• 16-bit Stereo Audio Bitstream

– Sample Rate Up to 50 KHz

• On-Chip Debug System (JTAG interface)

– Nexus Class 2+, Runtime Control, Non-Intrusive Data and Program Trace

• 110 General Purpose Input/Output (GPIOs)

– Standard or High Speed mode

– Toggle capability: up to 66MHz

• Packages

– 144-ball TFBGA, 11x11 mm, pitch 0.8 mm

– 144-pin LQFP, 22x22 mm, pitch 0.5 mm

– 100-ball VFBGA, 7x7 mm, pitch 0.65 mm

• Single 3.3V Power Supply

2

32072C–AVR32–2010/03

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