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MC68HC705RC17P bảng dữ liệu(PDF) 6 Page - Freescale Semiconductor, Inc |
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MC68HC705RC17P bảng dữ liệu(HTML) 6 Page - Freescale Semiconductor, Inc |
6 / 126 page Table of Contents General Release Specification MC68HC705RC17 — Rev. 2.0 Table of Contents Section 3. Central Processor Unit (CPU) 3.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 3.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 3.3 CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 3.4 Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 3.5 Index Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 3.6 Condition Code Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 3.7 Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 3.8 Program Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Section 4. Interrupts 4.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 4.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 4.3 CPU Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 4.4 Reset Interrupt Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 4.5 Software Interrupt (SWI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 4.6 Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 4.7 External Interrupt (IRQ/Port B Keyscan). . . . . . . . . . . . . . . . . .41 4.8 External Interrupt Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 4.9 Carrier Modulator Transmitter Interrupt (CMT) . . . . . . . . . . . . .42 4.10 Core Timer Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43 Section 5. Resets 5.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45 5.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45 5.3 External Reset (RESET). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 5.4 Low-Power External Reset (LPRST) . . . . . . . . . . . . . . . . . . . .48 5.5 Internal Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 5.5.1 Power-On Reset (POR). . . . . . . . . . . . . . . . . . . . . . . . . . . .48 5.5.2 Computer Operating Properly Reset (COPR) . . . . . . . . . . .49 5.5.2.1 Resetting the COP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
Số phần tương tự - MC68HC705RC17P |
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Mô tả tương tự - MC68HC705RC17P |
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