[sdiy] New cute "Microcontrollers" - STM32U with integrated GPU for UIs (+math accel + analog stuff)

grant musictechnologiesgroup.com grant at musictechnologiesgroup.com
Sat Mar 4 00:28:12 CET 2023


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.

GB

------ Original Message ------
From: "Steve via Synth-diy" <synth-diy at synth-diy.org<mailto:synth-diy at synth-diy.org>>
To: "synth-diy mailing list" <synth-diy at synth-diy.org<mailto:synth-diy at synth-diy.org>>
Sent: 3/2/2023 5:07:25 AM
Subject: [sdiy] New cute "Microcontrollers" - STM32U with integrated GPU for UIs (+math accel + analog stuff)


I found it interesting already that things like STM32F4 are called "microcontroller" (instead of e.g. SoC)

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.

Available also still in LQFP
https://www.st.com/en/microcontrollers-microprocessors/stm32u599-5a9.html

The "GPU"
https://blog.st.com/neochrom-gpu/

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.
Has also some analog stuff on board: comparators, opamps, and next to the 12bit I knew also 14-bit-ADCs.
32bit timers.
Mouser quotes it at 10.57 € when buying 540 pcs. (availabnle in Q2 2023, supposedly)
https://www.st.com/en/microcontrollers-microprocessors/stm32u599vj.html

I guess if and when they'll be throwing around Nucleo devboards with those, I might fetch me one to play ;)

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