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For information about developing device drivers for a specific type of device, see Windows CE Drivers.
You must provide a timer to generate the OS tick, which the OS uses for timing and thread rescheduling events. The OS tick timer must be able to generate interrupts at a programmable interval. One millisecond is the minimum supported interrupt interval. The timer should be able to interrupt at different intervals. Different timer intervals allow the system to wake from idle at different times for maximum power conservation.
See Also
Hardware Architecture Diagram for Networked Media Devices | Core OS Services | Developing a Board Support Package | Developing a Device Driver | Developing an OEM Adaptation Layer | CETK Tests
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