● Each PCF8591 device in an I 2 C-bus system is activated by sending a valid address to the device. ● The address consists of a fixed part and programmable part. ● The programmable part must be set according to the address pins A0, A1 and A2.
● Each PCF8591 device in an I 2 C-bus system is activated bysending a valid address to the device.● The address consists of a fixed part and programmable part.● The programmable part must be set according to the addresspins A0, A1 and A2.