Datasheet

MikroElektronika
Figure 2: PORT Expander additional board
Jumpers J2, J1 and J0 are used to determine the port
expander’s hardware address. When they are placed
in position marked 1, the address is 1 and the opposite
when they are placed in position marked 0, the address is
0. Jumpers J2, J1 and J0 are placed in position marked 0
(logic 0) by default.
Figure 3: PORT Expander additional board connected to a development system