ATUC256L4U Atmel Corporation, ATUC256L4U Datasheet - Page 30

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ATUC256L4U

Manufacturer Part Number
ATUC256L4U
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATUC256L4U

Flash (kbytes)
256 Kbytes
Pin Count
48
Max. Operating Frequency
50 MHz
Cpu
32-bit AVR
# Of Touch Channels
17
Hardware Qtouch Acquisition
Yes
Max I/o Pins
36
Ext Interrupts
36
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
460
Analog Comparators
8
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.62 to 3.6
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
35
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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During execution of the Java program, the Java Extension Module will encounter some byte-
codes that are not supported in hardware. The instruction decoder will automatically recognize
these bytecodes and switch the processor back into RISC state and at the same time jump to a
predefined location where it will execute a software routine that performs the semantic of the
trapped bytecode. When finished, the routine ends with a “RETJ” instruction. This instruction will
make the AVR32 core return to Java state and the Java program will continue at the correct
location.
Detailed technical information about the Java Extension module is available in a separate Java
Technical Reference document.
AVR32
30
32000D–04/2011

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