Simple 8 bit uP, 4 A/D in, 4 digital i/o, 8 bit A/D or better, C tools

[Easy peasy]

Hello all,

Am looking for a simple-ish, small, low cost-ish, but quality 8 bit ( or 16 ) uP for a high volume product

most of the stats are above, ideally 4 A/D on board or equivalent, i.e. 1 A/D and internal switching to 4 pins

All suggestions gratefully received.

kind regards to all.

 

[danadakk]

PSOC 4M

Has scanning 12 bit SAR, onboard Vref, OpAmps, Analog Muxes, Comparators, DACs,
ARM core.

Routable onchip analog and digital, between components and out to pins, In PSOC land a
component is an onchip resource. Attached is a catalog of components for the 5LP family, the
4M family is a subset. All components have a library of C f() calls to manipulate the component,
eg. drivers, to make coding easy and fast.

View attachment Component List (2).doc

An example project, one chip. Dashed lines external components, solid lines onchip route. Right
hand window shows resources used/left. A 5LP part has >> resources than 4M if your design
expands.




IDE and compiler free, basic board $ 10. Pioneer board (arduino footprint) $ 25.

https://www.cypress.com/documentati...s/cy8ckit-043-psoc-4-m-series-prototyping-kit

https://www.cypress.com/documentation/development-kitsboards/cy8ckit-044-psoc-4-m-series-pioneer-kit


https://www.cypress.com/products/psoc-creator-integrated-design-environment-ide



Tons of examples projects in IDE and external -

https://www.element14.com/community/thread/23736/l/100-projects-in-100-days

If you at a future time want to do BLE projects -

https://github.com/cypresssemiconductorco/PSoC-4-BLE/tree/master/100_Projects_in_100_Days



Lots of short videos for training -

**broken link removed**

https://www.cypress.com/training/psoc-101-video-tutorial-series-how-use-arm-cortex-m0-based-psoc-4


Regards, Dana.

- - - Updated - - -

I missed a couple of points.

Core is ARM 32 bit M0. That is a low end part in cost. In 2013 ARM was shipping billions of units.
Could not find a current stat.

https://www.arm.com/zh/files/event/20130715_AES_Joseph.pdf

The digital resources include simple routable gates, flops, muxs to LUT (registered option allows simple
state machines to be created, a wizard is used to create machine) to PWM/Counter/Timer/QuadDec...


Regards, Dana.

 

[Easy peasy]

thank you - but was hoping for something a little simpler that does not have to have the hardware "assembled" so to speak ...

 

[srizbf]

you can consider atmega8 or atmega328 based on the requirements
and cost.
Tools wise you have a lot.
compare their features and cost.

 

[betwixt]

.... add about 1,000 different PIC devices too.
The ADC requirement is only a tiny part of the spec, what else does it have to do.

Brian.

 

[Easy peasy]

Yes the PIC/ u-chip website lacks a parametric search - or really any helpful partitioning to allow a narrowing down of choices - hence the 1000 alternatives you mention...

really the requirements are very basic excepting the 4 A/D inputs, and 4 essentially digital o/p's required, minimal programming requirement ...

a u-power mode if possible, with wake up pin ...(?)

 

[KlausST]

Hi,

I did an internet search "PIC parametric search" and the first hit leads to this page:

https://www.microchip.com/paramchartsearch/chart.aspx?branchID=1005

Klaus

 

[FvM]

Microchip web site is changing from time to time, big changes took place as they acquired other CPU vendors. But they essentially have a kind of parametric search.

Klaus, your search targets to big ARM series which wouldn't be my first choice.

PIC16 or PIC18 (8 bit) is optimal for small functionality, I tend to use PIC24 (16 bit) even for smaller applications, but that's a matter of taste. According to the requested 4A + 4D ports, a 14 or 20 pin device should fit.

Most newer PIC devices have "Nano"-Power (< 1 uA typical quiescent current) with wakeup, also periodical watch dog wakeup can be easily implemented.

- - - Updated - - -

E.g. https://www.microchip.com/paramchartsearch/Chart.aspx?branchID=30048# , select appropriate pin count

 

[KlausST]

Hi,

Klaus, your search targets to big ARM series which wouldn't be my first choice.

Indeed only the first ones are ARMs ... further below there are many others.

Yes, it´s just a general Microchip selection guide...

Klaus

 

[Easy peasy]

Thanks Klaus for the link to the page - google got more servers where you are I think ...

 

[danadakk]

thank you - but was hoping for something a little simpler that does not have to have the hardware "assembled" so to speak ...

Not sure what you are thinking but all you do is click on an onchip component, like PWM, OpAmp, Counter, Gates, A./D,
whatever, and drag and drop onto schematic. Then wire up I/O to chip pins of your choice or other onchip components,
like hook a counter to an internal clock or a mux..... Takes a few seconds/component typically. Again a component is an
onchip functional resource.

Regards, Dana.