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M68HC08 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc |
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M68HC08 Datasheet(HTML) 10 Page - Freescale Semiconductor, Inc |
10 / 332 page Table of Contents Technical Data MC68HC908JB16 — Rev. 1.1 10 Table of Contents Freescale Semiconductor 7.5.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 7.6 Oscillator During Break Mode. . . . . . . . . . . . . . . . . . . . . . . . . . 96 Section 8. System Integration Module (SIM) 8.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 8.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 8.3 SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . . 100 8.3.1 Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 8.3.2 Clock Startup from POR or LVI Reset . . . . . . . . . . . . . . . . 101 8.3.3 Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . . . 101 8.4 Reset and System Initialization. . . . . . . . . . . . . . . . . . . . . . . . 101 8.4.1 External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 8.4.2 Active Resets from Internal Sources . . . . . . . . . . . . . . . . . 103 8.4.2.1 Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 8.4.2.2 Computer Operating Properly (COP) Reset. . . . . . . . . . 105 8.4.2.3 Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 8.4.2.4 Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 8.4.2.5 Low-Voltage Inhibit (LVI) Reset . . . . . . . . . . . . . . . . . . . 106 8.4.2.6 Universal Serial Bus (USB) Reset . . . . . . . . . . . . . . . . . 106 8.4.2.7 Registers Values After Different Resets. . . . . . . . . . . . . 106 8.5 SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 8.5.1 SIM Counter During Power-On Reset . . . . . . . . . . . . . . . . 107 8.5.2 SIM Counter During Stop Mode Recovery . . . . . . . . . . . . . 108 8.5.3 SIM Counter and Reset States. . . . . . . . . . . . . . . . . . . . . . 108 8.6 Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 8.6.1 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 8.6.1.1 Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 8.6.1.2 SWI Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 8.6.2 Interrupt Status Registers. . . . . . . . . . . . . . . . . . . . . . . . . . 112 8.6.2.1 Interrupt Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . 112 8.6.2.2 Interrupt Status Register 2 . . . . . . . . . . . . . . . . . . . . . . . 114 8.6.3 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 8.6.4 Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 8.6.5 Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . 114 |
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Similar Description - M68HC08 |
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