USB Host and Device

Posted on Feb 5, 2014

The DE2 board provides both USB host and device interfaces using the Philips ISP1362 single-chip USB controller. The host and device controllers are compliant with the Universal Serial Bus Specification Rev. 2. 0, supporting data transfer at full-speed (12 Mbit/s) and low-speed (1. 5 Mbit/s). Figure 1 shows the schematic diagram of the USB circuitry

USB Host and Device
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; the pin assignments for the associated interface are listed in Table 1. Detailed information for using the ISP1362 device is available in its datasheet and programming guide; both documents can be found in the ISP1362 references below. The most challenging part of a USB application is in the design of the software driver needed. Two complete examples of USB drivers, for both host and device applications, can be found in Sections 5. 3 and 5. 4. These demonstrations provide examples of software drivers for the Nios II processor.

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