标签: ax

   ManymicrocontrollerandmicroprocessorslimitI/Oportsandpinstoconservepincountsandreducepackagesizes.Formanymicrocontroller-(e.g.,PIC,8051,andSX)ormicroprocessor-basedsystems,thesystemdesignrequiresmoreI/Opinswithoutchangingthemicrocontroller.ToincreasethenumberofI/Opinswithoutchangingthemicrocontroller,I/Oexpansionprovidesasolution.Withupto272I/OpinsandMultiVoltTMI/Ocapability,Altera?MAX?IIandMAX3000AdevicesallowyoutoimplementmicrocontrollerI/Oexpansioninmicrocontroller-ormicroprocessorbasedsystems.ThisapplicationnoteexplainshowtoimplementamicrocontrollerI/OexpanderinMAXIIandMAX3000Adevices.……