Inside the Google Coral TPU USB stick

IC U2 - STM32L011D3P6 is the CPU.

IC U1 - Google Coral TPU is a coprocessor to the CPU:
https://coral.ai/products/

Edge TPU has 8 MB SRAM internally: https://coral.ai/docs/edgetpu/compile...

A what's inside link:   / whats-inside-the-google-coral-edge-tpu-spe...  
  / custom-image-classification-with-google-co...  

How it works:
https://qengineering.eu/google-corals....
https://github.com/cameronshinn/tiny-tpu
https://blog.ml6.eu/googles-edge-tpu-...
https://en.wikipedia.org/wiki/Tensor_...

IC U6 - Intersil Power Management chip links. Note how there are similar chips on the PCIE and other versions of the TPU boards:
https://www.renesas.com/us/en/about/p...
https://coral.ai/products/pcie-accele...

https://www.renesas.com/us/en/documen...

connector to connect to 6-pin tag connect:
https://www.digikey.com/en/products/d...

IC U3 - X146 90910
IC U8 - Y23C 9091F
IC U9 - 5A 040 205
IC U10 - PFS 077
IC U11 - 3A 103 212
IC U12 - PF2S 076