mc68hc908mr8 Freescale Semiconductor, Inc, mc68hc908mr8 Datasheet - Page 89
mc68hc908mr8
Manufacturer Part Number
mc68hc908mr8
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908MR8.pdf
(372 pages)
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Technical Data — MC68HC908MR8
7.1 Contents
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
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
7.5
7.5.1
7.5.2
7.6
7.6.1
7.6.2
7.6.3
7.7
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . .93
Reset and System Initialization . . . . . . . . . . . . . . . . . . . . . . .94
Exception Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
SIM Counter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Low-Power Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Clock Startup from POR or LVI Reset . . . . . . . . . . . . . . .93
Clocks in Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Active Resets from Internal Sources . . . . . . . . . . . . . . . .95
SIM Counter During Power-On Reset. . . . . . . . . . . . . . . .99
SIM Counter and Reset States . . . . . . . . . . . . . . . . . . . . .99
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
Status Flag Protection in Break Mode . . . . . . . . . . . . . .103
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
SIM Break Status Register. . . . . . . . . . . . . . . . . . . . . . . .106
SIM Reset Status Register. . . . . . . . . . . . . . . . . . . . . . . .108
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . .109
System Integration Module (SIM)
Technical Data
89
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