
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G230FXX - d0005_Rev1.60
54
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5 PCB Layout and Soldering
5.1 Recommended PCB Layout
Figure 5.1. QFN64 PCB Land Pattern
e
a
d
p1
p2
p3
p4
p5
p6
p7
p8
c
b
p9
f
g
Table 5.1. QFN64 PCB Land Pattern Dimensions (Dimensions in mm)
Symbol
Dim. (mm)
Symbol
Pin number
Symbol
Pin number
a
0.85
P1
1
P8
64
b
0.30
P2
16
P9
65
c
0.50
P3
17
-
d
8.90
P4
32
-
e
8.90
P5
33
-
f
7.20
P6
48
-
g
7.20
P7
49
-