MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 125
MC68HC708AS48
Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC708AS48.pdf
(396 pages)
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9.1 Contents
MC68HC708AS48
MOTOROLA
Advance Information — MC68HC708AS48
—
Rev. 4.0
Section 9. System Integration Module (SIM)
9.2
9.3
9.3.1
9.3.2
9.3.3
9.4
9.4.1
9.4.2
9.4.2.1
9.4.2.2
9.4.2.3
9.4.2.4
9.4.2.5
9.5
9.5.1
9.5.2
9.5.3
9.6
9.6.1
9.6.1.1
9.6.1.2
9.6.2
9.6.3
9.6.4
9.7
9.7.1
9.7.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . .129
Reset and System Initialization. . . . . . . . . . . . . . . . . . . . . . . .130
SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
Program Exception Control. . . . . . . . . . . . . . . . . . . . . . . . . . .136
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
System Integration Module (SIM)
Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
Clock Startup from POR or LVI Reset. . . . . . . . . . . . . . . .129
Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . .130
External Pin Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Active Resets from Internal Sources . . . . . . . . . . . . . . . . .132
SIM Counter During Power-On Reset . . . . . . . . . . . . . . . .135
SIM Counter During Stop Mode Recovery . . . . . . . . . . . .135
SIM Counter and Reset States . . . . . . . . . . . . . . . . . . . . .135
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Break Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Status Flag Protection in Break Mode. . . . . . . . . . . . . . . .140
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
Power-On Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Computer Operating Properly (COP) Reset. . . . . . . . . .134
Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Low-Voltage Inhibit (LVI) Reset . . . . . . . . . . . . . . . . . . .134
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
SWI Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
Advance Information
125
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