EFM32WG990 Datasheet, PDF (70/80 Pages) List of Unclassifed Manufacturers – The EFM32 MCUs are the world’s most energy friendly microcontrollers.

Preliminary
Figure 5.2. BGA112 PCB Solder Mask
b
...the world's most energy friendly microcontrollers
a
e
d
Table 5.2. BGA112 PCB Solder Mask Dimensions (Dimensions in mm)
Symbol
a
b
d
e
Dim. (mm)
0.48
0.80
8.00
8.00
2013-05-06 - EFM32WG990FXX - d0203_Rev1.10
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