Siemens KNX EIB TP-UART 2-IC Manual page 41

KNX EIB TP-UART 2-IC
5 C3
6 CBYP
7 C6
8 Y1
9 TP-UART 2 Ground plane on component side and below
Siemens AG
Infrastructure and Cities Sector,
Building Technologies
Control Products and Systems
P. O. Box 10 09 53,
D-93009 Regensburg
As close as possible to VCC and GND
As close as possible to BYP and VB+
As close as possible to VSP and GND
As close as possible to X1 and X2
Embed Y1 (crystal) and its connections on the
component side in GND
Place on next layer below Y1 a GND area.
TP-UART 2 has to be designed. Four vias are
necessary.
Table 27 Layout Guidelines
Figure 12 Layout Top-/Bottom View
pages 42
© Siemens AG 2012
Subject to change without further notice.
GAMMA instabus
Release: February 2012
3
2
2
1
1
Technical Manual
page 41