Back EMF can be measured in multiple configurations, you may get a better idea here: www.ti.com/.../technical-documents.html. There should be numerous reference papers on the topic of spinning BLDC, ACIM and PMSM motors with both sensored and sensorless feedback, in a variety of different drive topologies.
Full disclosure, I work for the C2000 MCU department of TI and have little knowledge of the MCU that you've posted above. A quick glance shows that the device incorporates 12-bit SAR ADCs, which may be used to sense the phase current and DC bus voltage, which are typically the minimum you need to sense back EMF.
You may be interested to also evaluate our InstaSPIN solution, which can greatly reduce development time when designing motor drive systems
www.ti.com/.../LAUNCHXL-F28027F
When coupled with an integrated driver and reference software, you can start to spin your motor sensorlessly in minutes
www.ti.com/.../boostxl-drv8301
www.ti.com/.../motorware
Sean
Full disclosure, I work for the C2000 MCU department of TI and have little knowledge of the MCU that you've posted above. A quick glance shows that the device incorporates 12-bit SAR ADCs, which may be used to sense the phase current and DC bus voltage, which are typically the minimum you need to sense back EMF.
You may be interested to also evaluate our InstaSPIN solution, which can greatly reduce development time when designing motor drive systems
www.ti.com/.../LAUNCHXL-F28027F
When coupled with an integrated driver and reference software, you can start to spin your motor sensorlessly in minutes
www.ti.com/.../boostxl-drv8301
www.ti.com/.../motorware
Sean