<!DOCTYPE html>
<html><head>
<meta charset="UTF-8">
</head><body>At first blush...<br><br>STM32F070F6P6TR 20-TSSOP US$0.62 @ 12,500 - https://www.digikey.com/products/en?keywords=497-17354-2-ND<br><br>48MHz 32 bit ARM M0, 32k FLASH, 6k RAM, I²C, SPI, UART, USB, ADC <br><br>Amazed that this part hits the US$1.08 price-point from Digikey in qty 100<br><br>May be in stock at Future in reels of 2500<br><br>Yee gads, where are we heading with this stuff, this is amazing price/performance.<br><br>-Mark<br><br><blockquote type="cite">
On 08 January 2018 at 08:38 Charles Manning <cdhmanning@gmail.com> wrote:<br><br><div dir="ltr"><div><div>Happy New Year y'all!<br><br></div>A new year, a new project.<br></div><div><br></div><div>I need a supervisory micro for an FPGA-based system. It needs to be:</div><div>* Low cost (sub $1US @10k).</div><div>* USB device + UART. It will make a CDC class "virtual comm port".</div><div><div>* Low cost (sub $1US @10k).</div>* A few GPIOs for LEDs + switch + controlling main power supply to turn on FPGA.<br></div><div><div><div>* Low cost (sub $1US @10k).</div><div><br></div><div>Other engineering driven requirements:</div><div>* ARM Cortex M0/3. Life's too short to mess about with esoteric tool chains and instruction sets.<br></div><div>* Small footprint.</div><div><br></div><div>So far my eye is drawn to the STM32F042 which is all of these and it seems does not need a crystal making for even more cost + board space saving.</div><div><br></div><div>Anybody got other options?</div><div><br></div><div>Thanks</div><div><br></div><div>Charles</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></div></div><div><br></div></div>
_______________________________________________<br>Chchrobotics mailing list Chchrobotics@lists.ourshack.com<br>https://lists.ourshack.com/mailman/listinfo/chchrobotics<br>Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/<br>Meetings usually 3rd Monday each month. See http://kiwibots.org for venue, directions and dates.<br>When replying, please edit your Subject line to reflect new subjects.</blockquote>
<br> </body></html>