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it is a project on PIC32MX460F512L . A stream of data will enter from UART for at least a minute continuously and stored in an external memory location which is connected to an SPI interface. After a minute the data from the external memory will output through another SPI interface.i will provide the schematics and PCB layout, it is a simple program and i need it to be done in 3 days. the program should have comments explaining the whole code for my convenience.