Unit 4 Micro Controller Document 20 pages. After execution of one instruction PC is incremented to point to the address of the next instruction to be executed. Each register can be used as general purpose register to store 8 bit data and can also be used as memory location. Fig: SFR register layout. There are 5 interrupt supplies in Microcontroller, two out of five are peripheral interrupts, two are timer interrupts and one is serial port interrupt.
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