mc68hc908lj24 Freescale Semiconductor, Inc, mc68hc908lj24 Datasheet - Page 11
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mc68hc908lj24
Manufacturer Part Number
mc68hc908lj24
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908LJ24.pdf
(464 pages)
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MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
8.7
8.8
8.8.1
8.8.2
8.8.3
8.9
8.9.1
8.9.2
8.9.3
9.1
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
9.4.2.6
9.5
9.5.1
9.5.2
9.5.3
9.6
9.6.1
9.6.1.1
9.6.1.2
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Acquisition/Lock Time Specifications . . . . . . . . . . . . . . . . . . . 135
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . . 142
Reset and System Initialization. . . . . . . . . . . . . . . . . . . . . . . . 144
SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Special Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Section 9. System Integration Module (SIM)
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
CGM During Break Interrupts. . . . . . . . . . . . . . . . . . . . . . . 134
Acquisition/Lock Time Definitions. . . . . . . . . . . . . . . . . . . .135
Parametric Influences on Reaction Time . . . . . . . . . . . . . . 135
Choosing a Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Clock Start-up from POR or LVI Reset. . . . . . . . . . . . . . . . 143
Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . . . 144
External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Active Resets from Internal Sources . . . . . . . . . . . . . . . . . 145
SIM Counter During Power-On Reset . . . . . . . . . . . . . . . . 149
SIM Counter During Stop Mode Recovery . . . . . . . . . . . . . 149
SIM Counter and Reset States. . . . . . . . . . . . . . . . . . . . . . 149
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146
Computer Operating Properly (COP) Reset. . . . . . . . . . 147
Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . .148
Low-Voltage Inhibit (LVI) Reset . . . . . . . . . . . . . . . . . . . 148
Monitor Mode Entry Module Reset (MODRST) . . . . . . . 148
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
SWI Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Table of Contents
Table of Contents
Data Sheet
11
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