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<font face="Candara"><font face="Calibri">How about this version.<br>
<a class="moz-txt-link-freetext" href="http://nz.element14.com/stmicroelectronics/stm32f070f6p6/mcu-32bit-cortex-m0-48mhz-tssop/dp/2488284">http://nz.element14.com/stmicroelectronics/stm32f070f6p6/mcu-32bit-cortex-m0-48mhz-tssop/dp/2488284</a></font><br>
</font><img src="cid:part1.02070800.05090109@amuri.net" alt=""><br>
<font face="Calibri">and that's NZ price (plus GST)</font><br>
<br>
<font face="Calibri">Mark</font><br>
<font face="Candara"><br>
</font><br>
Mark Atherton wrote:
<blockquote
cite="mid:1045727326.1545163.1515356163574@webmail.xtra.co.nz"
type="cite">
<meta charset="UTF-8">
At first blush...<br>
<br>
STM32F070F6P6TR 20-TSSOP US$0.62 @ 12,500 -
<a class="moz-txt-link-freetext" href="https://www.digikey.com/products/en?keywords=497-17354-2-ND">https://www.digikey.com/products/en?keywords=497-17354-2-ND</a><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
<a class="moz-txt-link-rfc2396E" href="mailto:cdhmanning@gmail.com"><cdhmanning@gmail.com></a> 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>
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</div>
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