How the I2C Bus Works - EEWeb
How the I2C Bus Works - EEWeb
How the I2C Bus Works - EEWeb
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I 2 C Multiplexers: Multi-card Application<br />
- Cards are identical<br />
- One card is selected / controlled<br />
at a time<br />
- PCA9544 collects Interrupt<br />
MASTER<br />
INT<br />
PCA<br />
9544<br />
INT0<br />
INT1<br />
INT2<br />
INT3<br />
I 2 C bus 0<br />
I 2 C bus 1<br />
I 2 C bus 2<br />
I2 I C bus 3<br />
2C bus 3<br />
Interrupt signals are<br />
collected into one signal<br />
Card 0<br />
Card 1<br />
Card 2<br />
Card 3<br />
PCA<br />
9554<br />
Semiconductors 59<br />
INT<br />
0<br />
1<br />
1<br />
0<br />
0<br />
1<br />
Reset<br />
Reset<br />
Alarm 1<br />
Int<br />
Alarm 1<br />
Int<br />
Reset<br />
Sub<br />
System<br />
Int