EFM32G840F128 Datasheet, PDF (56/71 Pages) Silicon Laboratories – ARM Cortex-M3 CPU platform

...the world's most energy friendly microcontrollers
5 PCB Layout and Soldering
5.1 Recommended PCB Layout
Figure 5.1. QFN64 PCB Land Pattern
a
p8
b
p1
p7
p6
p9
ge
c
p2
p3
p5
p4
f
d
Table 5.1. QFN64 PCB Land Pattern Dimensions (Dimensions in mm)
Symbol
a
b
c
d
e
f
g
Dim. (mm)
0.85
0.30
0.50
8.90
8.90
7.20
7.20
Symbol
P1
P2
P3
P4
P5
P6
P7
Pin number
1
16
17
32
33
48
49
Symbol
P8
P9
-
-
-
-
-
Pin number
64
65
-
-
-
-
-
2013-11-22 - EFM32G840FXX - d0008_Rev1.71
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