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ARM-M4f and Bluetooth built in chip

Other Parts Discussed in Thread: CC2650

Hello fellows Engineers

This is my first post on this blog. I hope I am not doing too awkward...

I am developing a wearable device, necklace, to grab information from the environment and from the user. I am Buying a Sensor-tag (it should be here already) to start prototyping, the sensor tag comes with a CC2650, an ARM-M3 with Bluetooth built in chip. This is great and fitted perfectly on my project. However, I am looking forward to process audio and more massive information and I might need a DSP.

I was looking for something similar to Sensor-Tag but with a ARM-M4f (and DSP) instead. However I just found the Tiva series.

Do you guys know if there is a chip with ARM-M4f and bluetooth built in ship?

Do you guys know if there is any development kit similar to SensorTag but with ARM-M4 instead?

Thank you!