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Raspberry Pi Hardware Reference by Warren W. Gay

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CHAPTER 6

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USB

The USB port has become ubiquitous in the digital world, allowing the use of a large choice of peripherals. The Model B Raspberry Pi supports two USB 2 ports, and the Model A just one.

This chapter briefly examines some power considerations associated with USB support and powered hubs. The remainder of this chapter examines the device driver interface available to the Raspbian Linux developer. Figure 6-1 serves as a chapter reference schematic of the Raspberry USB interface.

9781484208007_Fig06-01.jpg

Figure 6-1. USB interface

Power

Early models of the Raspberry ...

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