Thank you very much John. That is what I needed to know. Regards, Jeff From: John Samperi Sent: Thursday, October 15, 2009 10:18 PM To: AVR-Chat@yahoogroups.com Subject: Re: [AVR-Chat] Sharing JTAG test pins as I/O At 10:16 AM 16/10/2009, you wrote: >The Atmel document shows only a mention of "LOAD" via a set of resistors. >And no other mention. So I am unsure if this is correct. Your other 2 assumptions are correct. Using the JTAG pins while connected to something (ie LEDs or switches for run mode) needs at least 1K resistors in series with each leg. (your "LOAD") Regards John Samperi ******************************************************** Ampertronics Pty. Ltd. 11 Brokenwood Place Baulkham Hills, NSW 2153 AUSTRALIA Tel. (02) 9674-6495 Fax (02) 9674-8745 Website http://www.ampertronics.com.au *Electronic Design * Custom Products * Contract Assembly ******************************************************** [Non-text portions of this message have been removed]
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Re: [AVR-Chat] Sharing JTAG test pins as I/O
2009-10-16 by Jeff Blaine AC0C