?which MCU and driver board to choose

shaitzr — Thu, 14 Jan 2016 09:40:02 GMT

Hi,

I’m looking for some help on which MCU and driver board to choose.

Basically I need to control a servo motor and 2 DC motors, as well as “read” a few sensors like Hall Effect sensor (for speed sensing) and a simple CCD/CMOS sensor (for computer vision based navigation).

From my research I thought I’d use a TWR-K65F180M + TWR-ELEV + TWR-SMPS-LVFB but it seems that the TWR-SMPS-LVFB won’t be compatible with the K series MCU, is that right? The reason I want the TWR-K65F180M and not the TWR-KV31F120M (or some other TWR based on the V series) is mainly because of the extra SRAM it offers that would be important for the image storing.

Any guidance with that?

Thanks,

Shai

Re: ?which MCU and driver board to choose

Jorge_Gonzalez — Fri, 22 Jan 2016 02:15:41 GMT

Hello Shai Tzr:

The TWR-KV46F150M is the perfect match for the TWR-SMPS-LVFB, but unfortunately you are correct that the internal RAM memory is not enough for image storing. The TWR-KV31F120M has a KV31F512VLL12 with 96 KB of SRAM, but it includes a FlexBus module which you can use to interface with an external memory.

If you simply require some PWM channels, ADCs and digital pins, then the other option would be to build your custom motor driver board and then you would have more Kinetis MCU options and MCU boards to select from.

Let us know more details about your application and maybe we can come up with some more ideas.

Best Regards!
Jorge Gonzalez

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?which MCU and driver board to choose

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