Yahoo Groups archive

Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: [lpc2000] LPC2106 fails to start with fast power slew rate???

2005-02-17 by microbit

Hi Wayne,

> RESET is asserted for 200 ms after the power supply voltages are
> stable, then released.  The PCB is 12 layer, controlled impedance
> design with a great deal of bypassing and filtering.

If RESET is really held low for that time, then the slew rate shouldn't
matter
AFAIK. Are you sure nRST and nTRST are sound ?
Boot pin ? Held properly while RESET is de-asserted ?
This might result in erratic entry into bootloader etc.

B rgds
Kris

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.