Hi @givcha,
Based on the datasheet from the iMX7D family there are only two package types 12x12 and 19x19. Your given part number is a 12x12 package type.
IMX7D3EVK10SC

Part Series = IMX7D
Part differentiator = 3 (Baseline Feature-set)
Temperature Tj = E (Extended Cons -20 to +105 C)
Package Type = VK (MAPBGA 12 x 12)
Frequency = 10 (1 GHz)
Fusing = S (Security Enabled)
Silicon Rev = C (Rev 1.2)
Tell me if you have any other part number or something that I overlooked on your question.
Have a great day!