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M68HC08 Datasheet(PDF) 11 Page - Freescale Semiconductor, Inc

Part # M68HC08
Description  Microcontrollers
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

M68HC08 Datasheet(HTML) 11 Page - Freescale Semiconductor, Inc

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Table of Contents
MC68HC908RF2 — Rev. 4.0
Data Sheet
MOTOROLA
Table of Contents
11
9.3
Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
9.3.1
Port B Data Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
9.3.2
Data Direction Register B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Section 10. System Integration Module (SIM)
10.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
10.2
SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . . . . . . . . . 115
10.2.1
Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
10.2.2
Clock Startup from POR or LVI Reset . . . . . . . . . . . . . . . . . . . . . . 115
10.2.3
Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . . . . . . . . . 115
10.3
Reset and System Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
10.3.1
External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
10.3.2
Active Resets from Internal Sources . . . . . . . . . . . . . . . . . . . . . . . 116
10.3.2.1
Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
10.3.2.2
Computer Operating Properly (COP) Reset . . . . . . . . . . . . . . . . 118
10.3.2.3
Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
10.3.2.4
Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
10.3.2.5
Low-Voltage Inhibit (LVI) Reset . . . . . . . . . . . . . . . . . . . . . . . . . 118
10.4
SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
10.4.1
SIM Counter During Power-On Reset . . . . . . . . . . . . . . . . . . . . . . 119
10.4.2
SIM Counter During Stop Mode Recovery . . . . . . . . . . . . . . . . . . . 119
10.4.3
SIM Counter and Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
10.5
Program Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
10.5.1
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
10.5.1.1
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
10.5.1.2
SWI Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
10.5.2
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
10.5.3
Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
10.5.4
Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . . . . . . . 123
10.6
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
10.6.1
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
10.6.2
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
10.7
SIM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
10.7.1
SIM Break Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
10.7.2
SIM Reset Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
10.7.3
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Section 11. Timer Interface Module (TIM)
11.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
11.2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
11.3
Pin Name Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com


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