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Data Acquisition and Control Based on EZ-USB [Copy link]

In the current PC I/O mode, external devices are usually mapped to the CPU's I/O address space and are assigned a specified
IRQ (interrupt request), or in some cases a DMA channel. These system resources are assigned to specified peripheral
devices . This address allocation method has become a standard, and software developers must access the specified devices based on this. This
brings inconvenience to programmers, and at the same time, peripherals consume a lot of PC system resources, making many system resources unusable and
generating many conflicts, which causes many problems.

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