ATEVK1104 Atmel, ATEVK1104 Datasheet

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AVR32787: AVR32 AT32UC3A3 High Speed USB Design Guidelines 1. Introduction This document provides guidelines for integrating an AVR speed USB device controller onto a 4-layer PCB. The material covered can be broken into two main categories: board design guidelines and ...

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Layout Guidelines 2.1 General Routing and Placement Use the following general routing and placement guidelines when laying out a new design. These guidelines will help to minimize signal quality problems. 1. Place the high-speed USB host controller and major ...

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Figure 2-1. Low speed/ non periodic signal Table 2-1. 2.3 High Speed USB Termination The AVR32 AT32UC3A3x microcontroller high-speed USB design requires 39 Ω termination resistor at both DMFS and DPFS pins. Place the termination resistors as close as possible ...

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High Speed USB Connectors In order to provide direct connection of high-speed USB signals, we recommend to use through hole mini-AB or surface mount mini-AB receptacle connector. In case AT32UC3A3x OTG capa- bility is not requested, we recommend to ...

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Figure 3-2. Note: 32122B–AVR32–04/09 Standard Mini AB Receptacle - USB Routing Example with BGA144 Package Ground plane For R1, R2, R3, C1 values, refer to AT32UC3A3x datasheet. Mini AB J1 GND VBUS ...

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