AT32UC3A3128 Atmel Corporation, AT32UC3A3128 Datasheet - Page 29

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AT32UC3A3128

Manufacturer Part Number
AT32UC3A3128
Description
Manufacturer
Atmel Corporation

Specifications of AT32UC3A3128

Flash (kbytes)
128 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
110
Ext Interrupts
110
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Sd / Emmc
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)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
12
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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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
29

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