Microprocessor RS-232 Reset

  
This circuit allows a remote microprocessor to be reset by a controlling host over a remote RS-232 or similar protocol serial line. With the use of a program loader on the remote host, a program may be downloaded and run. This allows a target processor to run different code in RAM, thus getting rid of the need to burn multiple EPROMs. The circuit is usually used for developing code on a target processor, but it can also be used for permanent applications where the target program lives on a host system`s disk.
Microprocessor RS-232 Reset - schematic




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