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MC68HC908MR24 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc

Part # MC68HC908MR24
Description  Microcontrollers
Download  406 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC68HC908MR24 Datasheet(HTML) 10 Page - Freescale Semiconductor, Inc

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Advance Information
MC68HC908MR24 Rev. 4.1
10
Table of Contents
Freescale Semiconductor
Table of Contents
9.6
Output Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
9.6.1
Selecting Six Independent PWMs or Three
Complementary PWM Pairs . . . . . . . . . . . . . . . . . . . . . 148
9.6.2
Dead-Time Insertion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
9.6.3
Top/Bottom Correction with Motor Phase
Current Polarity Sensing . . . . . . . . . . . . . . . . . . . . . . . . 154
9.6.4
Output Polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
9.6.5
PWM Output Port Control. . . . . . . . . . . . . . . . . . . . . . . . . . 160
9.7
Fault Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
9.7.1
Fault Condition Input Pins . . . . . . . . . . . . . . . . . . . . . . . . . 166
9.7.1.1
Fault Pin Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
9.7.1.2
Automatic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
9.7.1.3
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
9.7.2
Software Output Disable . . . . . . . . . . . . . . . . . . . . . . . . . . 170
9.7.3
Output Port Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
9.8
Initialization and the PWMEN Bit . . . . . . . . . . . . . . . . . . . . . . 171
9.9
PWM Operation in Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . 172
9.10
Control Logic Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
9.10.1
PWM Counter Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . 173
9.10.2
PWM Counter Modulo Registers . . . . . . . . . . . . . . . . . . . . 174
9.10.3
PWM X Value Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . 175
9.10.4
PWM Control Register 1. . . . . . . . . . . . . . . . . . . . . . . . . . . 176
9.10.5
PWM Control Register 2. . . . . . . . . . . . . . . . . . . . . . . . . . . 178
9.10.6
Dead-Time Write-Once Register . . . . . . . . . . . . . . . . . . . . 181
9.10.7
PWM Disable Mapping Write-Once Register . . . . . . . . . . . 181
9.10.8
Fault Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
9.10.9
Fault Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
9.10.10 Fault Acknowledge Register. . . . . . . . . . . . . . . . . . . . . . . . 186
9.10.11 PWM Output Control Register . . . . . . . . . . . . . . . . . . . . . . 187
9.11
PWM Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189


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