How the I2C Bus Works - EEWeb
How the I2C Bus Works - EEWeb
How the I2C Bus Works - EEWeb
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Main<br />
Master<br />
PCA9541 – Shared Resources<br />
PCA9541<br />
Slave A0<br />
PCA9541<br />
Slave B0<br />
Assembly A<br />
Slave A1 Slave A2<br />
Assembly B<br />
SDA/SCL<br />
SDA/SCL<br />
Slave B1 Slave B2<br />
Master A<br />
Master B<br />
Some masters may not be multi-master capable or some masters<br />
may not work well toge<strong>the</strong>r and continually lock up <strong>the</strong> bus. The<br />
PCA9541 can be used to separate <strong>the</strong> masters, but still allow shared<br />
access to slave devices, such as Field Replaceable Unit (FRU)<br />
EEPROMs or temperature sensors such as is represented by Slave<br />
A0 and Slave B0.<br />
Semiconductors 62
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