EFM32WG332 Datasheet, PDF (64/76 Pages) Silicon Laboratories – Operation from backup battery when main power drains out

...the world's most energy friendly microcontrollers
5 PCB Layout and Soldering
5.1 Recommended PCB Layout
Figure 5.1. TQFP64 PCB Land Pattern
a
p8
p7
p1
p6
b
e
c
p2
p5
p3
p4
d
Table 5.1. QFP64 PCB Land Pattern Dimensions (Dimensions in mm)
Symbol
a
b
c
d
e
Dim. (mm)
1.60
0.30
0.50
11.50
11.50
Symbol
P1
P2
P3
P4
P5
Pin number
1
16
17
32
33
Symbol
P6
P7
P8
-
-
Pin number
48
49
64
-
-
2014-06-13 - EFM32WG332FXX - d0191_Rev1.40
64
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