mc68hc908mr24 Freescale Semiconductor, Inc, mc68hc908mr24 Datasheet - Page 8
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mc68hc908mr24
Manufacturer Part Number
mc68hc908mr24
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908MR24.pdf
(406 pages)
- Current page: 8 of 406
- Download datasheet (3Mb)
Table of Contents
Advance Information
8
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
7.6
7.6.1
7.6.1.1
7.6.1.2
7.6.2
7.7
7.7.1
7.7.2
8.1
8.2
8.3
8.4
8.4.1
8.4.2
8.4.2.1
8.4.2.2
8.4.2.3
8.4.2.4
8.4.2.5
8.4.3
8.4.4
SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Low-Power Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
SIM Counter During Power-On Reset . . . . . . . . . . . . . . . . 100
SIM Counter and Reset States. . . . . . . . . . . . . . . . . . . . . . 100
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
SIM Reset Status Register . . . . . . . . . . . . . . . . . . . . . . . . 107
Section 8. Clock Generator Module (CGM)
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . .111
Base Clock Selector Circuit . . . . . . . . . . . . . . . . . . . . . . . . 119
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . . . 120
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Phase-Locked Loop Circuit (PLL) . . . . . . . . . . . . . . . . . . . 113
Power-On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Computer Operating Properly (COP) Reset. . . . . . . . . . . 99
Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Low-Voltage Inhibit (LVI) Reset . . . . . . . . . . . . . . . . . . . 100
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Software Interrupt (SWI) Instruction. . . . . . . . . . . . . . . . 104
PLL Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Acquisition and Tracking Modes . . . . . . . . . . . . . . . . . . 115
Manual and Automatic PLL Bandwidth Modes . . . . . . . 115
Programming the PLL . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Special Programming Exceptions . . . . . . . . . . . . . . . . . 119
Table of Contents
MC68HC908MR24
Freescale Semiconductor
—
Rev. 4.1
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