MC68HC908JK3 MOTOROLA [Motorola, Inc], MC68HC908JK3 Datasheet - Page 7

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MC68HC908JK3

Manufacturer Part Number
MC68HC908JK3
Description
MC68HC908JK1
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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MC68H(R)C908JL3
MOTOROLA
Rev. 1.0
7.1
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
7.7
7.7.1
7.7.2
7.8
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . . . 75
Reset and System Initialization. . . . . . . . . . . . . . . . . . . . . . . . . 76
SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
SIM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Section 7. System Integration Module (SIM)
Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Clock Start-Up from POR . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . . . . 75
External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Active Resets from Internal Sources . . . . . . . . . . . . . . . . . . 77
SIM Counter During Power-On Reset . . . . . . . . . . . . . . . . . 80
SIM Counter During Stop Mode Recovery . . . . . . . . . . . . . . 80
SIM Counter and Reset States. . . . . . . . . . . . . . . . . . . . . . . 81
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Interrupt Status Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . . 87
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Computer Operating Properly (COP) Reset . . . . . . . . . . 79
Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
LVI Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
SWI Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Interrupt Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . 86
Interrupt Status Register 2 . . . . . . . . . . . . . . . . . . . . . . . . 86
Interrupt Status Register 3 . . . . . . . . . . . . . . . . . . . . . . . . 87
Table of Contents
Table of Contents
Technical Data
7

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