#ifndef cbi
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#endif
#ifndef sbi
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#endif
// the setup routine runs once when you press reset:
void setup() {
 Serial.begin(9600);
// This next set of code sets the ADC sampling rate (Page 217 of ATmega32 Datasheet)
// sbi changes the corresponding bit to 1, while cbi changes the bit to 0
 sbi(ADCSRA,ADPS2) ;
 cbi(ADCSRA,ADPS1) ;
 sbi(ADCSRA,ADPS0) ;
}

// the loop routine runs over and over again forever:
void loop() {
  // read the input on analog pin 0:
  int start = micros() ;
  uint16_t  sensorValue1 = analogRead(A0);
  uint16_t  sensorValue2 = analogRead(A1);
  uint16_t  sensorValue3 = analogRead(A2);
  uint16_t  sensorValue4 = analogRead(A3);
  uint16_t  sensorValue5 = analogRead(A4);
  int time=micros()-start;
  Serial.println(time) ;
}