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KNX EIB TP-UART 2-IC
1
Modes of Operation
1.1 Interface to host electronics
EIB
Normal Mode:
IDLE = HIGH
Bus Coupler
Mode:
1.2 Selection of Different Modes of Operation
Mode of
operation
0
Normal
1
1
Analog
Siemens AG
Infrastructure and Cities Sector,
Building Technologies
Control Products and Systems
P. O. Box 10 09 53,
D-93009 Regensburg
TP - UART - IC
Analog -
Digital -
Part
Part
TxD3
RxD3
IDLE = LOW
MODE
TEST MODE
1
2
3
1
0
0
0
0
0
0
0
Table 1: Modes of Operation
© Siemens AG 2012
Subject to change without further notice.
TxD
RxD
CTM
BDS=0: 19.2 kBd
0
BDS=1: 9.6 KBd
0
pages 42
GAMMA instabus
Release: February 2012
HOST -
Controller
IDLE = HIGH
IDLE = LOW
TSTIN_BDS
TSTOUT_TW
at UART
TW
at UART
0
TW
Technical Manual
page 5
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