Electronics > Microcontrollers

[arduino] what µCU can a newbie program with/through Arduino?

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PCB.Wiz:

--- Quote from: Watth on December 02, 2021, 06:14:16 pm ---You're right in pointing that what I'm looking for is to program a bare µCU; as a smaller and less expansive alternative to a pre-made board.
I'm looking into ways to make my own PCB design, so that I can select the minimum extra components (e.g. such as power supply/conditionning, external cristal or oscillator, RTC, etc.).

But what I failed to make clear is I was initially talking about program made with the Arduino IDE and libraries, therefore looking for the most performant compatible chips.

Now, I would be open to other solutions, as long as they still offer basic libraries that help with basic functions (typically IO management and data reading/writing, serial com with the PC, etc.). Especially if that gives me the opportunity to use µCU with better speed and memory performances. And as you suggested, I'm open to buying a programmer if it's reasonably priced for my budget and competences. As you see, although I can manage programming, I'm still unknowledgeable in the "put program in chip" discipline.

--- End quote ---

You do not need a  'programmer',  just a low cost eval board to get a feel for this MCU level design and PCB layouts.
Those eval boards are low cost, tend to be minimal, and include reference schematics.

The least-jump from 8-bit Arduino, will be to another, newer AVR core.  If you think better speed and memory performances are really important, then look at 32 bit MCUs
Start from the data sheets and work back to what resource you think you need.

Some modern 8-bit AVR boards, all sub $20
AVR128DB48 CURIOSITY NANO BRD
AVR128DA48 CURIOSITY NANO EVALUA
ATMEGA4809 CURIOSITY NANO BRD
ATTINY3217 CURIOSITY NANO BRD
ATTINY1607 CURIOSITY NANO EVALUA
ATTINY1627 CURIOSITY NANO

Watth:
Well I am in a project that would need a standalone MCU. Also, the shortage of MCU is making things complicated, so I adjust my design to the available MCU, rather than the opposite.
I think I found a few sources on what series of 32-bits Microchip and STmicro would work 32 bits. (Arduino IDE cores). To be continued...

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