Select board -> Select ->Tools->Programmer->Arduino as ISP select ->Tools->Burn Bootloader Note: this step do not burn a bootloader to your chip, it is only used to set the fuses to another clock-speed.

Now you should have a blinkining Led on your Attiny 2313 Note the factory default is 1MHz, if you want to run it 8MHz, use: burn bootloader.Connect a LED with resitor to pin PB4 (physical pin 16).Upload your sketch: Select File->Upload using programmer.

Select ArduinoISP: Tools->Programmer->Arduino as ISP.

Open the blink sketch from the examples->Basic->Blink.

Connect a 10 ♟ capacitor from reset to ground on the arduino (negative side to ground) If you are using a Duemilanove use a 120 ohm resistor from reset to Vcc.

Note: the ArduinoISP has some issues in ver.

Upload the ArduinoISP to the Arduino dont't connect the capacitor yet.

Programming Attiny2313 with Arduino Uno The 2313 processor is a 20 pin chip with 17 I/O pins, it do not have a ADC (analog/digital converter) It can be configured to run at 1 MHz and 8 MHz without External Crystal/Resonator 2313 pinout Connection to Arduino Download the Tiny-core here: Follow the instructions in the Connect your Arduino to the Attiny according to the picture to the right connection to Arduino: Arduino Attiny2313 13 19 PB7/SCK 12 18 PB6/MISO 11 17 PB5/MOSI 10 1 PA2/Reset 5v 20 VCC GND 10 GND

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Program at90s2313 with arduino ide