LAUNCHXL-F28P55X: The LAUNCHXL-F28P55X contains an NPU module. Could you explain the internal circuit structure of the NPU? Are there detailed technical specifications available?

Xia,

We do not support direct C coding for the NPU module, we generate the code based on the model implementation via our model composer toolchain: https://dev.ti.com/modelcomposer/ 

As such we also don't go into depth on the construction of the NPU, since the supported options (like bit depth and width) are available from the tool set.

These applications examples will give some more color on using the NPU in a system and its input/output:

https://www.ti.com/tool/TIDA-010955

https://dev.ti.com/tirex/explore/node?node=A__AL50Gl96xkj4ZLTdHqoBGA__motor_control_c2000ware_sdk_software_package__0.jXikd__LATEST

Best,
Matthew