mc68hc908bd48 Freescale Semiconductor, Inc, mc68hc908bd48 Datasheet - Page 9
mc68hc908bd48
Manufacturer Part Number
mc68hc908bd48
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908BD48.pdf
(288 pages)
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MC68HC908BD48
Freescale Semiconductor
—
Rev. 2.1
6.8
6.9
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
7.5
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
7.6.3
7.6.4
7.6.5
7.7
7.7.1
7.7.2
Instruction Set Summary
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . . . 91
Reset and System Initialization. . . . . . . . . . . . . . . . . . . . . . . . . 92
SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Opcode Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Section 7. System Integration Module (SIM)
Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Clock Start-Up from POR . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . . . . 91
External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Active Resets from Internal Sources . . . . . . . . . . . . . . . . . . 93
SIM Counter During Power-On Reset . . . . . . . . . . . . . . . . . 96
SIM Counter During Stop Mode Recovery . . . . . . . . . . . . . . 97
SIM Counter and Reset States. . . . . . . . . . . . . . . . . . . . . . . 97
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Interrupt Status Registers. . . . . . . . . . . . . . . . . . . . . . . . . . 101
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . 104
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Computer Operating Properly (COP) Reset. . . . . . . . . . . 95
Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
SWI Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Interrupt Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . 103
Interrupt Status Register 2 . . . . . . . . . . . . . . . . . . . . . . . 103
Table of Contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Table of Contents
Data Sheet
9
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