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How the I2C Bus Works - EEWeb

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<strong>I2C</strong> C <strong>Bus</strong><br />

<strong>I2C</strong> C INTERFACE /<br />

EEPROM Control<br />

Write<br />

Protect 0 EEPROM 0 0 0 0<br />

0 0<br />

PCA9561<br />

0 EEPROM 0 0 0 10<br />

1 0<br />

0 EEPROM 0 0 0 20<br />

2 0<br />

0 EEPROM 0 0 0 30<br />

3 0<br />

HARDWARE 0 0 0 0 0Value Value 0<br />

6 Bits<br />

I 2 C DIP Switches<br />

Mux Select<br />

Mode<br />

Selection<br />

6 Bits<br />

6 bit output value is dependant on <strong>the</strong> mux select<br />

pin position or command from I 2 C master<br />

EEPROM 0 is default output<br />

Application Note<br />

AN250<br />

Semiconductors 53

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