[sdiy] Rotary Switch -> illuminated PB w/ multicolor LED?

Ullrich Peter Peter.Ullrich at kapsch.net
Fri Feb 18 15:47:16 CET 2022

Here is some information on what's inside the ICD4:


http://rc100-usb.at.tt/   (Roland sampler tool)
http://synpro.heimat.eu/datadial.htm (Synth addon)

-----Ursprüngliche Nachricht-----
Von: Synth-diy <synth-diy-bounces at synth-diy.org> Im Auftrag von Tom Wiltshire
Gesendet: Freitag, 18. Februar 2022 15:38
An: sleepy_dog at gmx.de; Steve via Synth-diy <synth-diy at synth-diy.org>
Betreff: *EXT* Re: [sdiy] Rotary Switch -> illuminated PB w/ multicolor LED?

> On 18 Feb 2022, at 12:51, Steve via Synth-diy <synth-diy at synth-diy.org> wrote:
> Roman Sowa:
>> Isolators? What isolators?
>> It's hardwired to computer chassis via USB, so watch out for
>> shortages with other power sources.
>> Here's a picture of ICD3 innards. I have no idea what's inside ICD4
>> though.
>> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.
>> synthdiy.eu%2Ffiles%2Ficd3.jpg&data=04%7C01%7CPeter.Ullrich%40kap
>> sch.net%7C4355474e8898403d049608d9f2ecbdaa%7C5f9ce5277e3e4e83a8a4b6c8
>> 48f85ab5%7C1%7C0%7C637807920888095412%7CUnknown%7CTWFpbGZsb3d8eyJWIjo
>> iMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&am
>> p;sdata=y1oZ6yf4SN0zIQglvXxPEpDQcrishegN%2BYI3g8PxTWc%3D&reserved
>> =0
>> Xilinx Spartan XC3S100E
>> dsPIC33FJ256GP510
> Well at least there's an FPGA in there, I didn't expect it.
> The ST debuggers just have one of the cheaper STM32s in there and that's it.
> So I wonder what magic the FPGA does, or what's more
> complicated/tricky about programming a PIC than a STM32 :-)

Nothing apparently, since the PICKit3 manages to program the chips using just a PIC24F. So I also wonder what magic the FPGA does. It's expensive magic, whatever it is.
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