We want to use external interrupt 1 in an 8051 with edge triggering and high priority....
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We want to use external interrupt 1 in an 8051 with edge triggering and high priority. A handler for this interrupt will be loaded at the address 0050H and it will use bank 2 of the registers R0 to R7 for its exclusive use. a) Give all the initialization code required to enable this interrupt and to run this handler when the interrupt occurs. The interrupt vector for external interrupt 1 is at 0013H. b) The interrupt handler needs to use the accumulator and registers R0 to R7. We intend to reserve bank 0 and bank 1 of Rn registers for the main program and use the registers in bank 2 for the interrupt handler. Give the assembly code to be included at the start and at the end of the handler routine for saving and restoring registers and for bank switching. We want to use external interrupt 1 in an 8051 with edge triggering and high priority. A handler for this interrupt will be loaded at the address 0050H and it will use bank 2 of the registers R0 to R7 for its exclusive use. a) Give all the initialization code required to enable this interrupt and to run this handler when the interrupt occurs. The interrupt vector for external interrupt 1 is at 0013H. b) The interrupt handler needs to use the accumulator and registers R0 to R7. We intend to reserve bank 0 and bank 1 of Rn registers for the main program and use the registers in bank 2 for the interrupt handler. Give the assembly code to be included at the start and at the end of the handler routine for saving and restoring registers and for bank switching.
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Related Book For
Introduction To Statistical Investigations
ISBN: 9781118172148
1st Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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