AT32UC3C0256C Atmel Corporation, AT32UC3C0256C Datasheet - Page 29

• Manufacturer Part Number: AT32UC3C0256C
• Manufacturer: Atmel Corporation

Specifications of AT32UC3C0256C

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 123
• Ext Interrupts: 144
• Usb Transceiver: 1
• Quadrature Decoder Channels: 2
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 7
• Twi (i2c): 3
• Uart: 5
• Can: 2
• Lin: 5
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 4
• Dac Resolution (bits): 12
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 68
• 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 to 3.6 or 4.5 to 5.5
• Operating Voltage (vcc): 3.0 to 3.6 or 4.5 to 5.5
• Fpu: Yes
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 22
• Input Capture Channels: 12
• Pwm Channels: 20
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

32000D–04/2011
class loader is the “RETJ” instruction that sets the processor in the Java state. This means that
the instruction decoder now decodes Java opcodes instead of the normal AVR32 opcodes.
Figure 3-3.
void main() {
function1 ();
application ();
ajvm(arguments)
application
Example of running a Java program
void ajvm() {
void cleanup() {
}
}
init();
classloader();
retj;
ret
iconst_1
istore_0
iconst_2
getfield
iconst_1
istore_0
iconst_2
return
AVR32 Java Virtual Machine
Java Extension Module
mfsr R12, JECR
cp R12, 0x8
retj
mfsr R12, JECR
cp R12, 0x8
cleanup()
Trap routines
AVR32
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