MC68HC908JL8 MOTOROLA [Motorola, Inc], MC68HC908JL8 Datasheet - Page 85

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MC68HC908JL8

Manufacturer Part Number
MC68HC908JL8
Description
Motorola reserves the right to make changes without further notice to any products herein
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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7.1 Contents
MC68HC908JL8
MOTOROLA
Technical Data – MC68HC908JL8
Rev. 2.0
Section 7. System Integration Module (SIM)
7.2
7.3
7.3.1
7.3.2
7.3.3
7.4
7.4.1
7.4.2
7.4.2.1
7.4.2.2
7.4.2.3
7.4.2.4
7.4.2.5
7.5
7.5.1
7.5.2
7.5.3
7.6
7.6.1
7.6.1.1
7.6.1.2
7.6.2
7.6.2.1
7.6.2.2
7.6.2.3
7.6.3
7.6.4
7.6.5
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . . . 89
Reset and System Initialization. . . . . . . . . . . . . . . . . . . . . . . . . 90
SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Clock Start-Up from POR or LVI Reset . . . . . . . . . . . . . . . . 89
Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . . . . 89
External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Active Resets from Internal Sources . . . . . . . . . . . . . . . . . . 91
SIM Counter During Power-On Reset . . . . . . . . . . . . . . . . . 94
SIM Counter During Stop Mode Recovery . . . . . . . . . . . . . . 94
SIM Counter and Reset States. . . . . . . . . . . . . . . . . . . . . . .95
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Interrupt Status Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . 102
System Integration Module (SIM)
Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Computer Operating Properly (COP) Reset. . . . . . . . . . . 93
Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Low-Voltage Inhibit (LVI) Reset . . . . . . . . . . . . . . . . . . . . 94
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
SWI Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Interrupt Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . 100
Interrupt Status Register 2 . . . . . . . . . . . . . . . . . . . . . . . 100
Interrupt Status Register 3 . . . . . . . . . . . . . . . . . . . . . . . 101
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Technical Data
85

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