Siemens KNX EIB TP-UART 2-IC - Page 21

GAMMA instabus
Release: February 2012
KNX EIB TP-UART 2-IC
Siemens AG pages 42 Technical Manual
Infrastructure and Cities Sector,
Building Technologies
Control Products and Systems © Siemens AG 2012 page 21
P. O. Box 10 09 53, Subject to change without further notice.
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• U_ActivateBusyMode
• U_ResetBusyMode
• U_MxRstCnt + Repetitions
• U_ActivateCRC
• U_Set_Address +PhysAddressHigh +PhysAddressLow
• U_L-Data Start + CTRL-Byte
• U_L-Data Continue (index) + Data-Byte
• U_L-Data-End + Checksum
• U_PollingState (Slotnumber) + PollAddrHigh + PollAddrlow + State
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 1
U_Reset.request 01
0 0 0 0 0 0 1 0
U_State.request 02
0 0 0 0 0 1 0 1
U_ActivateBusmon
05
0 0 0 1 0 n b a
U_AckInformation 10-17
n,B,a:
Nack,Busy,Addressed
0 0 1 0 0 0 0 0
U_ProductID.request 20
0 0 1 0 0 0 0 1
U_ActivateBusyMode 21
0 0 1 0 0 0 1 0
U_ResetBusyMode 22
0 0 1 0 0 1 0 0
U_MxRstCnt 24
0 0 1 0 0 1 0 1
U_ActivateCRC 25
0 0 1 0 1 0 0 0
U_SetAddress 28
1 0 0 0 0 0 0 0
U_L_DataStart 80
1 0 i i i i i i
U_L_DataContinue 81-BE
i = Index
1 ... 62
0 1 l l l l l l
U_L_DataEnd 47-7F
l = length
7 ... 63
1 1 1 0 s s s s
U_PollingState
E0-EE s= Slotnumber 0 ... 14
Uart-Control Field
Servicename Hex
Fig. 3: Uart-Control Field
3.2.3.1.1 U_Reset.request-Service
Resets the TP-UART-IC to the initial state and clears all buffers. At start-up the TP-UART waits for a
bus free-time-out before sending a U_Reset.indication-Service to the host. To be sure that the TP-
UART is reset after power up the host shall wait for 50 ms after reset signal is high and then send the
U_Reset.request-Service.
UART-Controlfield (01
hex
)
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 1
Fig. 4: U_Reset.request-Service