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NCN5121MNTWG
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
P43-P45
P46-P48
P49-P51
P52-P54
P55-P57
P58-P58
NCN5121
www
.onsemi.com
43
1
0
0
0
0
0
0
0
U_L_
DataStart
.
req
Host Ctrl
NCN5121
KNX Bus
x
x
x
x
x
x
x
x
Control Byte
1
0
i
i
i
i
i
i
U_L_
DataCont
.
req
x
x
x
x
x
x
x
x
Data Octet
1
0
0
0
0
1
i
i
i
U_L_
DataOffSet
.
req
1
0
i
i
i
i
i
i
U_L_
DataCont
.
req
x
x
x
x
x
x
x
x
Data Octet N
0
1
l
l
l
l
l
l
U
_L
_
DataEnd
.req
x
x
x
x
x
x
x
x
Checksum
x
x
x
x
x
x
x
x
Control Byte
x
x
x
x
x
x
x
x
Data Octet
1
x
x
x
x
x
x
x
x
Data Octet N
x
x
x
x
x
x
x
x
Checksum
x
0
r
1
p1
p0
0
0
L_Data
.
ind
x
x
x
x
x
x
x
x
Data Octet
1
x
x
x
x
x
x
x
x
Data Octet N
x
x
x
x
x
x
x
x
Checksum
x
x
x
x
x
x
x
x
Immediate Ackn
x
x
x
x
x
x
x
x
CRC−
CCITT Low Byte
w
2.6
ms silence
x
x
x
x
x
x
x
x
CRC
−
CCITT
High Byte
re
ce
te
1
res
0
1
1
U
_FrameState
.
ind
x
0
0
0
1
0
1
1
L_
Data
.con
Figure 47. Send Frame, SPI or 8−bit UART Mode, Frame End with Silence, with CRC−CCITT
NCN5121
www
.onsemi.com
44
1
0
0
0
0
0
0
0
U
_L_DataStart
.req
Host Ctrl
NCN5121
KNX Bus
x
x
x
x
x
x
x
x
Control Byte
1
0
i
i
i
i
i
i
U
_L_DataCont
.req
x
x
x
x
x
x
x
x
Data Octet
1
0
0
0
0
1
i
i
i
U
_L
_DataOffSet
.req
1
0
i
i
i
i
i
i
U
_L_DataCont
.req
x
x
x
x
x
x
x
x
Data Octet N
0
1
l
l
l
l
l
l
U_L_
DataEnd
.
req
x
x
x
x
x
x
x
x
Checksum
x
x
x
x
x
x
x
x
Control Byte
x
x
x
x
x
x
x
x
Data Octet
1
x
x
x
x
x
x
x
x
Data Octet N
x
x
x
x
x
x
x
x
Checksum
x
0
r
1
p1
p0
0
0
L_
Data
.ind
x
x
x
x
x
x
x
x
Data Octet
1
x
x
x
x
x
x
x
x
Data Octet N
x
x
x
x
x
x
x
x
Checksum
x
x
x
x
x
x
x
x
Immediate Ackn
re
ce
te
1
res
0
1
1
U_FrameState
.ind
x
0
0
0
1
0
1
1
L_
Data.
con
1
1
0
0
1
0
1
1
U
_FrameEnd
.ind
Figure 48. Send Frame, All Modes, Frame End with MARKER, No CRC−CCITT
NCN5121
www
.onsemi.com
45
1
0
0
0
0
0
0
0
U
_L_DataStart
.req
Host Ctrl
NCN5121
KNX Bus
x
x
x
x
x
x
x
x
Control Byte
1
0
i
i
i
i
i
i
U
_
L_
DataCont
.req
x
x
x
x
x
x
x
x
Data Octet
1
0
0
0
0
1
i
i
i
U
_L
_DataOffSet
.req
1
0
i
i
i
i
i
i
U
_
L_
DataCont
.req
x
x
x
x
x
x
x
x
Data Octet N
0
1
l
l
l
l
l
l
U_L_
DataEnd
.
req
x
x
x
x
x
x
x
x
Checksum
x
x
x
x
x
x
x
x
Control Byte
x
x
x
x
x
x
x
x
Data Octet
1
x
x
x
x
x
x
x
x
Data Octet N
x
x
x
x
x
x
x
x
Checksum
x
0
r
1
p1
p0
0
0
L_
Data
.ind
x
x
x
x
x
x
x
x
Data Octet
1
x
x
x
x
x
x
x
x
Data Octet N
x
x
x
x
x
x
x
x
Checksum
x
x
x
x
x
x
x
x
Immediate Ackn
x
x
x
x
x
x
x
x
CRC
−
CCITT Low Byte
x
x
x
x
x
x
x
x
CRC
−
CCITT High Byte
re
ce
te
1
res
0
1
1
U_FrameState
.ind
x
0
0
0
1
0
1
1
L_
Data.
con
1
1
0
0
1
0
1
1
U
_FrameEnd
.
ind
Figure 49. Send Frame, All Modes, Frame End with MARKER and with CRC−CCITT
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
P43-P45
P46-P48
P49-P51
P52-P54
P55-P57
P58-P58
NCN5121MNTWG
Mfr. #:
Buy NCN5121MNTWG
Manufacturer:
ON Semiconductor
Description:
Communication ICs - Various KNXB
Lifecycle:
New from this manufacturer.
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