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Adding new parts to Atmel Studio 4 (AS4) is often required when using newer AVR microcontrollers that were released after the final version of AS4. Because AS4 is an outdated, legacy IDE, it does not support modern device pack updates.
Here are the primary methods to add support for a new part:
Method 1: Update the AVR Toolchain (For Compiler Support)
To make the compiler recognize a new chip, update the AVR-GCC Toolchain.
Download a newer version of the AVR Toolchain (e.g., 4.9.2 or later) from the Microchip website. When setting up a project, you will use the new -mmcu= option for the new part.
AVR Freaks link Method 2: Manually Edit/Create Part Support
If the part is very similar to an existing one (e.g., trying to use an ATmega328PB on a project set up for an ATmega328P), you may be able to force it to work.
Locate include files: New assembler include files can be found and sometimes placed into the \Atmel\AVR Tools\AvrAssembler\Appnotes directory. From Google AI you can use also codevisition avr
External Makefile: Create a project for a similar, older AVR, tick the "use external Makefile" option, and manually edit the Makefile to reflect the new part number for the -mmcu switch.
Note on Limitations: While this allows compilation, the simulator and debugger in AS4 will not recognize the new part. Alternatively, use a command-line tool like avrdude to flash the hex file generated by the newer toolchain, bypassing the need to have the device listed in
AVR Freaks
AVR Freaks
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How to add new parts to atmel studio 4 ?

Please use the compiler version XC-DSC V3.31.01. Now the compiler supports this kind of device, and XC32 no longer supports it. Please use XC-DSC in the future.

if one wants gnd pins for every 2 or for each just ad a 3 or 4 row headers and lengthen pcb a bit and connect pins to gnd

I'll tell you right away, I've had a long break from programming, so I've forgotten a lot, but I ran into this problem.
I made a demoboard for myself with a PIC32AK1216GC41036 MCU. I've started to slowly brush up on my programming knowledge.

The problem I encountered was that everything was fine with compiler version 5.00 (and earlier). But upgrading to version 5.10 returns a message saying the compiler doesn't have information about this controller.

Code:

pic32m-gcc.exe: error: unrecognized command-line option '-mcpu=32AK1216GC41036'

And if I searched around, I saw that in version 5.00 the directory looked like this:


and in version 5.10 it looked like this:

and the search returned no results for these processors.

I'll tell you right away, I've tried every possible trick and trick I know, but the results are negative.

Can someone tell me how to upgrade to 5.10 or add the missing MCUs to the compiler?
I would be grateful for your help.

only the pcb file with fine tuning

according to jlcpcb 0.3mm with 0.45mm pad is no extra cost

and via with 0.2mm hole 0.45mm pad no extra cost either

project finished no document nor gerbers created

please check schematics and schematic components as well as footprints for any mishaps/errore

everything connected
4 layer board with 0.35 minimum holes
40 pin analyzing
2 trigger inputs
3v3 1v1 where 1v1 is adjutable for overclocking
selectable voltage input 5v 3v3 2v5 1v8, 5v tolerant
4 x 64mbit memory chips
tune it to your preferences

realizing 6 layer boards is a quite a price jump above $180 and 4 layer boards a lot cheaper

so pcb 's are now 4 layer

since tiny holes are expensive to get i will try to get those 0.35mm, fixed holes are 0.35mm and up

3v3 and 1v1 is created by ldo's and same with the vref to be able to use inputs with 5v 3v3 2v5 and 1v8
manually selectable inputs per datasheets are 5 tolerant

1v1 is made adjustable to better support overclocking

extra pins are made test pads

to-do
connect mem ic's and their decouple capacitors
modify 3v3 and 1v1 pour
clear up traces
guess other suff not though of right now

pics and proejct files shared

p.s. i hope you like the changes to make it cheaper to make

the big brother changed direction a bit cutting the last 8 bits

added 5v 3v3 2v5 1v8 manually selectable

4 to memory chips

2 for triggers

and 2 spare

and 40 bits analyzed

annotized and ready for placement and a "rough" route