Lite5200 USB with Vbus=1.7V

David Wolfe david.wolfe at freescale.com
Wed Jun 23 23:20:28 EST 2004


[ I?igo Lopez Barranco writes: ]
> The only strange thing is that in Motorola's schematics says that
> pins 3 and 5 of the Micrel 2025 are Not Connected and 4 is GND, and
> Micrel's 2025 datasheet says that 3 is GND and 4 and 5 NC. Then, in
> the Lite5200 GND pin 3 is connected to GND through an 1k resistor,
> instead of directly as I suppose they pretended in the schematic, and

That is correct and an error in our Lite5200 layout. Thanks for the
feedback. We are replacing R164 with a 0 Ohm resistor. Our Total5200
platform does not share this problem.

--
David Wolfe
Digital Audio, Radio & Telematics
Freescale Semiconductor

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