power management
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How do modern USB chargers work
As we help customers design products, we often try to leverage the latest cell phone practices and technologies. One of these is USB charging. There has been a push in recent years to standardize on USB chargers for cell-phones. There ar…
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OMAP3 Resume Timing
One of the most common power management modes for ARM processors is the suspend mode. In this mode, peripherals are shut down when possible, the SDRAM is put into self-refresh, and the CPU is placed in a low power mode. A useful bit of in…
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Linux PM: OMAP3 Suspend Support
This article provides an overview of the Linux kernel support for the suspend state in the TI OMAP3. Power management has always been one of the more difficult parts of a system to get right. The OMAP3 power management is quite extensive.…