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68HRC705JJ7 Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc |
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68HRC705JJ7 Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc |
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6 / 230 page  Table of Contents General Release Specification MC68HC705JJ7/MC68HC705JP7 — Rev. 3.0 Table of Contents Section 3. Central Processor Unit (CPU) 3.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 3.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 3.3 Accumulator (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 3.4 Index Register (X). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 3.5 Stack Pointer (SP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 3.6 Program Counter (PC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 3.7 Condition Code Register (CCR) . . . . . . . . . . . . . . . . . . . . . . . .42 3.8 Arithmetic/Logic Unit (ALU) . . . . . . . . . . . . . . . . . . . . . . . . . . .44 Section 4. Interrupts 4.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45 4.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 4.3 Interrupt Vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 4.4 Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 4.5 Software Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 4.6 External Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 4.6.1 IRQ/VPP Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 4.6.2 PA0–PA3 Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 4.6.3 IRQ Status and Control Register (ISCR). . . . . . . . . . . . . . .53 4.7 Core Timer Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55 4.7.1 Core Timer Overflow Interrupt. . . . . . . . . . . . . . . . . . . . . . .55 4.7.2 Real-Time Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55 4.8 Programmable Timer Interrupts . . . . . . . . . . . . . . . . . . . . . . . .56 4.8.1 Input Capture Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 4.8.2 Output Compare Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . .56 4.8.3 Timer Overflow Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . .57 4.9 Serial Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 4.10 Analog Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58 4.10.1 Comparator Input Match Interrupt . . . . . . . . . . . . . . . . . . . .58 4.10.2 Input Capture Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . .58 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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