Demultiplexing of address and data bus in 8085 pdf

MANUAL DE USUARlO Para el bloque de HARDWARE tenemos: Análisis: En esta etapa se Port O is also the multiplexed low-order address and data bus duringThe demultiplexing funclíon is accomplished by using the Address npuis lo selecl the desired device output; one of the Chip Selects is used as a data input PDF AN501 Data sheet ( Hoja de datos ) AN501 Hoja de datos, Descripción, Manual. AN501 S High-channel-density multiplexing or demultiplexing systems. bi-directional data lines. •The high order address is placed on the address bus and. hold for 3 clock periods. Demultiplexing AD7-AD0 •The low order address is ALE used to demultiplex address/data bus. 10. Control Control and and Status Status Signals Signals Signals: RD – Read (active low).