gerif
Junior Member
Posts: 53
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Post by gerif on Feb 19, 2024 22:59:30 GMT
Hello!
There are some different digital programable modules available for AE Modular!
I thought about what a universal programmable module could look like without giving much thought to its feasibility. My focus was put to the I/Os, the user interfaces and the communication. As it should be part of the AE Modular I assume that there are enough utillity modules with knobs or switches. So there are no knobs or switches foreseen! Also I propose a simple structure for the operating to enable standardisation over different software packages.
Maybe one of the expertes with the knowlege to create such a module are inspired 
For the analog outputs there is the AD5593R 8-Channel, 12-Bit, Configurable ADC/DAC with On-Chip Reference, I2C Interface!
For the display i found:
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Post by MikMo on Feb 20, 2024 5:51:29 GMT
Nice proposal, kind of like Aeuropi on stereoids.
If the CV / analog inputs should be same quality as the outputs you probably need an ADC to go with the DAC, or can the suggested chip server double duty ?
Now i don't know every microcontroller out there but i can't think of one with 8 12 bit analog inputs.
Also keping powerconsumption and potential noise under control should be high priority. Those cheap LCD screens couls be problematic here.
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gerif
Junior Member
Posts: 53
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Post by gerif on Feb 20, 2024 6:41:09 GMT
The AD5593R has an I2C Interface to connect to the processor!
What I do not know if two chips (one as ADC and one as DAC) could be used with one processor?
Question is if I2C bus is fast enough and which processor has performance to run such periphery!
Concerning the power consumption AE Modular could work with dedicated PSU on each row of a rack. This could be a solution for existing modules with high consumption too!
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Post by MikMo on Feb 20, 2024 8:10:12 GMT
Many I2C devices allow change of the address to have 2 similar units on the same I2C bus so that might be possible. I don't know the specific devive.
Google found this for me:
"Data on the I2C-bus can be transferred at rates of up to 100 kbit/s in the Standard-mode, up to 400 kbit/s in the Fast-mode, up to 1 Mbit/s in Fast-mode Plus, or up to 3.4 Mbit/s in the High-speed mode."
So again depending on the specific device capability this might be sufficient.
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gerif
Junior Member
Posts: 53
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Post by gerif on Feb 21, 2024 0:07:47 GMT
Currently I think the programmable modules (e.g. Aeuropi, Grains, TBD) have a very limited number of I/O and a limited user interface! It seems the main reason is that the different processors have some limitations, especially at the DAC's which mostly are PWM outputs. Nevertheless there should be possibilities to have a module with sufficient number of analog/audio I/O, USB, MIDI and a large display with a standardised user interface.
I am sure it is possible to fined hardware configurations able to provide such an environment! |
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