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The chewing up RAM part could previously be solved by using those
STM32 with F(S)MC parallel memory port to connect external
(Pseudo-)SRAM. One of the STM32F4 discovery boards e.g. has 8 MB
DRAM on it + a smaller TFT, github has a port of the DOOM game for
that board ;)<br>
These new STM32U are advertized as not needing externalc omponents
for, among other things, that sort of thing.<br>
<br>
<br>
grant musictechnologiesgroup.com:<br>
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<div>Yes, it's quite interesting! I was recently reading about H7.
I need something that can support a large TFT (800x480 perhaps)
so that chews up a lot of SRAM. The main MCU contender at the
moment is the ESP32-S3 unfortunately.</div>
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<div>GB</div>
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<div>------ Original Message ------</div>
<div>From: "Steve via Synth-diy" <<a moz-do-not-send="true"
href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>></div>
<div>To: "synth-diy mailing list" <<a moz-do-not-send="true"
href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>></div>
<div>Sent: 3/2/2023 5:07:25 AM</div>
<div>Subject: [sdiy] New cute "Microcontrollers" - STM32U with
integrated GPU for UIs (+math accel + analog stuff)</div>
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<blockquote cite="c17b0b5a-5246-67c5-8f2e-c1c827242f20@gmx.de"
type="cite" class="cite2">
<p><br>
I found it interesting already that things like STM32F4 are
called "microcontroller" (instead of e.g. SoC)<br>
</p>
<p>Now they announced these things, with 2.5 MB SRAM and a
"2.5D GPU" to provide modern user interfaces without taxing
the general purpose computing core so much.</p>
Available also still in <span style="color: rgb(116, 117,
124); font-family: Arial, Helvetica, sans-serif; font-size:
16px; font-style: normal; font-variant-ligatures: normal;
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!important; float: none;">
LQFP<span> </span></span><br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="https://www.st.com/en/microcontrollers-microprocessors/stm32u599-5a9.html">https://www.st.com/en/microcontrollers-microprocessors/stm32u599-5a9.html</a>
<p>The "GPU"<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="https://blog.st.com/neochrom-gpu/">https://blog.st.com/neochrom-gpu/</a></p>
<p>I looked at a particular "smaller" one ("Only" 100 pin LQFP
;) ), has a Cortex M33 core with FPU, TFT LCD + touch sense
controllers, CORDIC + FMAC math accelerators.<br>
Has also some analog stuff on board: comparators, opamps,
and next to the 12bit I knew also 14-bit-ADCs.<br>
32bit timers.<br>
Mouser quotes it at 10.57 € when buying 540 pcs. (availabnle
in Q2 2023, supposedly)<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="https://www.st.com/en/microcontrollers-microprocessors/stm32u599vj.html">https://www.st.com/en/microcontrollers-microprocessors/stm32u599vj.html</a></p>
<p>I guess if and when they'll be throwing around Nucleo
devboards with those, I might fetch me one to play ;)</p>
<p><br>
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