[SI-LIST] Re: Reset problem with power supply
- From: steve weir <weirsi@xxxxxxxxxx>
- To: V S <for_si2003@xxxxxxxxx>
- Date: Fri, 05 Dec 2008 12:54:41 -0800
Use a bigger input cap.
Steve.
V S wrote:
> When I power my board using a bench power supply it boots. When I try to
> plug in the cable, with the one end of the cable hooked to the same power
> supply in power on position it does not. My question is what difference cable
> inductance makes ? The failure looks like between processor and Flash core,
> as, the processor is always alive.
>
> The processor is freescale MX27. I am using national Semi LM2717-ADJ IC to
> generate 1.8V for memory IO, 1.5V for core and PLL, 2.775V for processor IO
> and 3.15 for other IO. A POR is generated using Schimtt Trigger. The HRESET
> is generated using the same schmitt Trigger 74LCX07MX.
>
> Any one faced similar situation ?
>
>
>
>
>
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