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/* This is specific configuration for ATtiny85.
* This configuration also applies on ATtiny45 and ATtiny25.
*/
#include <avr/io.h>
#define USI_DIR_REG DDRB
#define USI_OUT_REG PORTB
#define USI_IN_REG PINB
#define USI_USCK_PIN PORTB2
#define USI_DO_PIN PORTB1
#define USI_DI_PIN PORTB0
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