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Neither the 8155 nor the 8255 are considered to be microprocessors. The 8155 is an integrated RAM, IO, and Timer device designed for the 8085. The 8255 is an Programmable IO controller.
It means an 8 bit parallel I/O interface, as opposed to 8251 which is a serial I/O.
8085 is a microprocessor designed by Intel
The '8085' in the 8085 microprocessor is the designation given to the microprocessor by Intel. The '5' means it is a single power supply (5 volt) version of the 8080, with enhancements.
+5v necessary for microprocessor 8085.
8085 is a 8 bit microprocessor designed by Intel Co.
with neat diagram explain the system bus structure of 8085
explain how slow memory get interfaced with 8085
crystal is a oscilltor in microprocessor
first connect the 8255 to the 8086 microprocessor and configure it using the CWR then connect the key board to the 8255
The 8085 is not pipelined.
program to find prime number in 8085 microprocessor