X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:x-gm-message-state; bh=RMRVOw8SfwyfSxsCvjvflRJq10tdQdo+LhrnW2v6iNw=; b=IG58niyjgeWFZtv4kBEZmhCgGMB072SJtaPm5OYvqK/TlG5vDAbgVVeGg7Su2eLMzl hFvQryOa/8+KaWSxY9BconjORdvqsKq/JF+VDblxs9GjCTlHQo3sCaQIq/NNF95RsKHp OymMVSHyULvn4Mgkh3xnwpMHxSeI3sXunKfFStDC3HaDVSL5gAR193KH/K3I6b9Jdg6m O2w9DGS3qjPsg07JbaJc7uiDfOeUS7WfXKldVf022v0yOA4ZlFdYJOpCpb3v9iw5kPXl K52W1HnUCcSv3EYj2uxcBldMgqb6z7iajLEQ6t3xHH/6wwDO+RH62kmANW5GuU/+IV3s SFxQ== MIME-Version: 1.0 In-Reply-To: <50A6D432.3090406@neurotica.com> References: <50A6BBDA DOT 7000100 AT neurotica DOT com> <201211162224 DOT qAGMO6lv024723 AT envy DOT delorie DOT com> <50A6C8F0 DOT 3000104 AT neurotica DOT com> <50A6D432 DOT 3090406 AT neurotica DOT com> Date: Fri, 16 Nov 2012 16:11:35 -0800 Message-ID: Subject: Re: [geda-user] OT: ARM JTAG connectors From: Russell Dill To: geda-user AT delorie DOT com Content-Type: text/plain; charset=UTF-8 X-Gm-Message-State: ALoCoQlOi43TPePAp9T0WMkRogffwLFQWOn27YYYdqEIP4Cy9SYopx0IgnRbkq0lx9JrOYpEN9Pm Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Fri, Nov 16, 2012 at 4:02 PM, Dave McGuire wrote: > On 11/16/2012 06:53 PM, Russell Dill wrote: >>>> I don't know about pogo pins but I've switched to 50 mil pitch SMT >>>> connectors instead of 0.1 inch PTH. >>>> >>>> digikey has a range of pogo pins, IIRC you can put them (individually) >>>> on a second PCB such that they line up with the target board's >>>> targets. >>> >>> That's pretty much what I'm looking for, yes. They are all over eBay >>> as well. I'm looking for a "snap in" assembly with those pins, though. >>> (see other message) >>> >> >> I'm guessing you are looking for something very similar to this: >> >> http://hhuc.us/2008/Interfacing%20to%20the%20HP20b%20V3.pdf >> >> but snapping to the pcb rather than the case. > > Yes, pretty much exactly like that. Some company was putting those > together and targeting them specifically at (I think) the ARM JTAG market. > > And...HEY...are those guys hacking on HP calculators, squirting > user-written code into their innards?? All the newly produced HP calculators run ARM cores afaik, with the remakes of older calculators (HP-12C, 15C, etc) running the original ROM in an emulator. The hp 30b is a popular platform for hacking: http://commerce.hpcalc.org/34s.php