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HC705E5GRS/D Datasheet(PDF) 6 Page - NXP Semiconductors |
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HC705E5GRS/D Datasheet(HTML) 6 Page - NXP Semiconductors |
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6 / 148 page ![]() Table of Contents General Release Specification MC68HC705E5 — Rev. 1.0 Table of Contents Section 3. Central Processing Unit (CPU) 3.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 3.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 3.3 Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 3.4 Index Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 3.5 Condition Code Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 3.6 Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 3.7 Program Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Section 4. Interrupts 4.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 4.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 4.3 Hardware Controlled Interrupt Sequence . . . . . . . . . . . . . . . . .35 4.4 Software Interrupt (SWI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 4.5 External Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36 4.6 Timer Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36 4.7 Custom Periodic Interrupt (CPI) . . . . . . . . . . . . . . . . . . . . . . . .39 4.8 Synchronous Serial Interface Interrupt (SSI) . . . . . . . . . . . . . .40 4.9 M-Bus (I2C) Interrupt (M Bus) . . . . . . . . . . . . . . . . . . . . . . . . .40 4.10 Operation During Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . .40 4.11 Operation During Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . .40 Section 5. Resets 5.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 5.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 5.3 External Reset (RESET). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 5.4 Internal Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 5.5 Power-On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 5.6 Computer Operating Properly Reset (COPR). . . . . . . . . . . . . .45 5.6.1 Resetting the COP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45 5.6.2 COP During Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . .45 5.6.3 COP During Stop Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . .45 5.6.4 COP Watchdog Timer Considerations . . . . . . . . . . . . . . . .46 5.7 Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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