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Power Management Unit
The power manager IC is a 68HC05 microprocessor, also called the Cuda PMU. It operates with its own RAM and ROM. The functions of the Cuda PMU include:
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controlling the sleep and power on and off sequences
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controlling power to the other ICs
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controlling the brightness of the display
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supporting the ADB interface to the built-in keyboard and trackpad
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monitoring the battery charge level
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controlling battery charging
© 1999 Apple Computer, Inc. – (Last Updated 29 April 99)
