Updated schema, added KiCAD project.
This commit is contained in:
Tmtom
parent
63959632e3
commit
632ff8c921
144
hardware/KiCAD/MBus_USB.pro
Executable file
144
hardware/KiCAD/MBus_USB.pro
Executable file
@ -0,0 +1,144 @@
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update=19/07/2012 21:21:54
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version=1
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last_client=eeschema
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[cvpcb]
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version=1
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NetITyp=0
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NetIExt=.net
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PkgIExt=.pkg
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NetDir=
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LibDir=
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NetType=0
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[cvpcb/libraries]
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EquName1=devcms
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[pcbnew]
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version=1
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||||
PadDrlX=320
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||||
PadDimH=600
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||||
PadDimV=600
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||||
PadForm=1
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||||
PadMask=14745599
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||||
ViaDiam=450
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ViaDril=250
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||||
Isol=60
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||||
Countlayer=2
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||||
Lpiste=170
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RouteTo=15
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RouteBo=0
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||||
TypeVia=3
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Segm45=1
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Racc45=1
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||||
Unite=0
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||||
SegFill=1
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||||
SegAffG=0
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||||
NewAffG=1
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||||
PadFill=1
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||||
PadAffG=1
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||||
PadSNum=1
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||||
ModAffC=0
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ModAffT=0
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PcbAffT=0
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SgPcb45=1
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TxtPcbV=800
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TxtPcbH=600
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TxtModV=600
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TxtModH=600
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TxtModW=120
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HPGLnum=1
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HPGdiam=15
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HPGLSpd=20
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HPGLrec=2
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HPGLorg=0
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GERBmin=15
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VEgarde=100
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DrawLar=150
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EdgeLar=150
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TxtLar=120
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MSegLar=150
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ForPlot=1
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WpenSer=10
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UserGrX=0,01
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UserGrY=0,01
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UserGrU=1
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DivGrPc=1
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TimeOut=600
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MaxLnkS=3
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ShowRat=0
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ShowMRa=1
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[pcbnew/libraries]
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LibDir=
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LibName1=sockets
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LibName2=connect
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LibName3=discret
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LibName4=pin_array
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LibName5=divers
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LibName6=libcms
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LibName7=display
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LibName8=valves
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LibName9=led
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LibName10=dip_sockets
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[general]
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version=1
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[eeschema]
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version=1
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LibDir=
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NetFmt=1
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HPGLSpd=20
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HPGLDm=15
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HPGLNum=1
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offX_A4=0
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offY_A4=0
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offX_A3=0
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offY_A3=0
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offX_A2=0
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offY_A2=0
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offX_A1=0
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offY_A1=0
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offX_A0=0
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offY_A0=0
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offX_A=0
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offY_A=0
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offX_B=0
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offY_B=0
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offX_C=0
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offY_C=0
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offX_D=0
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offY_D=0
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||||
offX_E=0
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offY_E=0
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||||
RptD_X=0
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RptD_Y=100
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RptLab=1
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LabSize=60
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[eeschema/libraries]
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LibName1=prolific
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LibName2=power
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LibName3=device
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LibName4=transistors
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LibName5=conn
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LibName6=linear
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LibName7=regul
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LibName8=74xx
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LibName9=cmos4000
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LibName10=adc-dac
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LibName11=memory
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LibName12=xilinx
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LibName13=special
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LibName14=microcontrollers
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LibName15=dsp
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LibName16=microchip
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LibName17=analog_switches
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LibName18=motorola
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LibName19=texas
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LibName20=intel
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LibName21=audio
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LibName22=interface
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LibName23=digital-audio
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LibName24=philips
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LibName25=display
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LibName26=cypress
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LibName27=siliconi
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LibName28=opto
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LibName29=atmel
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LibName30=contrib
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LibName31=valves
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1234
hardware/KiCAD/MBus_USB.sch
Executable file
1234
hardware/KiCAD/MBus_USB.sch
Executable file
File diff suppressed because it is too large
Load Diff
42
hardware/KiCAD/prolific.lib
Executable file
42
hardware/KiCAD/prolific.lib
Executable file
@ -0,0 +1,42 @@
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EESchema-LIBRARY Version 2.3 Date: 19/07/2012 18:59:01
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#encoding utf-8
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#
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# PL2303
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#
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DEF PL2303 U 0 40 Y Y 1 F N
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F0 "U" -350 700 60 H V C CNN
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F1 "PL2303" 200 700 60 H V C CNN
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DRAW
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S -450 650 400 -750 0 1 0 N
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X TxD 1 -750 600 300 R 50 50 1 1 I
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X DTR_N 2 -750 500 300 R 50 50 1 1 I
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X RTS_N 3 -750 400 300 R 50 50 1 1 I
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||||
X Vdd_232 4 -750 300 300 R 50 50 1 1 I
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X RxD 5 -750 200 300 R 50 50 1 1 I
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X RI_N 6 -750 100 300 R 50 50 1 1 I
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X GND 7 -750 0 300 R 50 50 1 1 I
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||||
X Vdd 8 -750 -100 300 R 50 50 1 1 I
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||||
X DSR_N 9 -750 -200 300 R 50 50 1 1 I
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||||
X DCD_N 10 -750 -300 300 R 50 50 1 1 I
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||||
X VDD 20 700 -200 300 L 50 50 1 1 I
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||||
X CTS_N 11 -750 -400 300 R 50 50 1 1 I
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||||
X GND 21 700 -100 300 L 50 50 1 1 I
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X SHTD_N 12 -750 -500 300 R 50 50 1 1 I
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X TRI_MODE 22 700 0 300 L 50 50 1 1 I
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X EE_CLK 13 -750 -600 300 R 50 50 1 1 I
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X LD_MODE 23 700 100 300 L 50 50 1 1 I
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X EE_DATA 14 -750 -700 300 R 50 50 1 1 I
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X VDD_PLL 24 700 200 300 L 50 50 1 1 I
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X DP 15 700 -700 300 L 50 50 1 1 I
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X GND_PLL 25 700 300 300 L 50 50 1 1 I
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X DM 16 700 -600 300 L 50 50 1 1 I
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X PLL_TEST 26 700 400 300 L 50 50 1 1 I
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X VDD_3V3 17 700 -500 300 L 50 50 1 1 I
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X OSC1 27 700 500 300 L 50 50 1 1 I
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X GND_3V3 18 700 -400 300 L 50 50 1 1 I
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X OSC2 28 700 600 300 L 50 50 1 1 I
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X RESET 19 700 -300 300 L 50 50 1 1 I
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ENDDRAW
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ENDDEF
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#
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#End Library
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@ -1,654 +0,0 @@
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EESchema Schematic File Version 2 date 07/12/2011 21:02:04
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LIBS:power
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LIBS:device
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LIBS:transistors
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LIBS:conn
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LIBS:linear
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LIBS:regul
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LIBS:74xx
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LIBS:cmos4000
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LIBS:adc-dac
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LIBS:memory
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LIBS:xilinx
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LIBS:special
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LIBS:microcontrollers
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LIBS:dsp
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LIBS:microchip
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LIBS:analog_switches
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LIBS:motorola
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LIBS:texas
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LIBS:intel
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LIBS:audio
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LIBS:interface
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LIBS:digital-audio
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LIBS:philips
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LIBS:display
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LIBS:cypress
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LIBS:siliconi
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LIBS:opto
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LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:MBus-cache
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EELAYER 25 0
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EELAYER END
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$Descr A4 11700 8267
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encoding utf-8
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Sheet 1 1
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Title ""
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Date "7 dec 2011"
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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Text Notes 5550 2900 0 60 ~ 0
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approx 34V
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Text Notes 1300 1600 0 60 ~ 0
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Optional external\npower supply
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Text Notes 9700 3150 0 60 ~ 0
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MBus
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Text Label 8900 3250 0 60 ~ 0
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MBus-
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Wire Wire Line
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9200 3250 8900 3250
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Wire Wire Line
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8900 3250 8900 3500
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Connection ~ 8700 3500
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Wire Wire Line
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8900 3500 8700 3500
|
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Connection ~ 7700 2900
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Wire Wire Line
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7700 2950 7700 2900
|
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Wire Wire Line
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5450 3050 5450 2900
|
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Wire Wire Line
|
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5450 2900 8900 2900
|
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Wire Wire Line
|
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8900 2900 8900 3050
|
||||
Wire Wire Line
|
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6050 4050 5750 4050
|
||||
Wire Wire Line
|
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5750 4050 5750 5050
|
||||
Wire Wire Line
|
||||
5750 5050 3500 5050
|
||||
Wire Wire Line
|
||||
3550 5300 3550 5250
|
||||
Wire Wire Line
|
||||
3550 5250 3500 5250
|
||||
Wire Wire Line
|
||||
2700 3200 2700 1800
|
||||
Wire Wire Line
|
||||
2150 1800 2250 1800
|
||||
Connection ~ 7700 3900
|
||||
Wire Wire Line
|
||||
7700 3950 7700 3450
|
||||
Wire Wire Line
|
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6600 4050 6550 4050
|
||||
Connection ~ 7300 3750
|
||||
Wire Wire Line
|
||||
6900 4250 6900 4450
|
||||
Wire Wire Line
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||||
7700 4450 7700 4550
|
||||
Wire Wire Line
|
||||
8350 4150 8500 4150
|
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Connection ~ 8700 4000
|
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Wire Wire Line
|
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8700 4000 8500 4000
|
||||
Wire Wire Line
|
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8700 3950 8700 4050
|
||||
Connection ~ 5450 3900
|
||||
Wire Wire Line
|
||||
5400 3900 5450 3900
|
||||
Connection ~ 2700 2200
|
||||
Wire Wire Line
|
||||
2650 2200 2700 2200
|
||||
Wire Wire Line
|
||||
2400 2400 2400 2350
|
||||
Wire Wire Line
|
||||
2400 2350 2700 2350
|
||||
Wire Wire Line
|
||||
3775 2975 3775 2950
|
||||
Connection ~ 3775 3600
|
||||
Wire Wire Line
|
||||
3775 3575 3775 3600
|
||||
Wire Wire Line
|
||||
3550 3600 3850 3600
|
||||
Connection ~ 3600 3900
|
||||
Wire Wire Line
|
||||
3650 3900 3550 3900
|
||||
Connection ~ 4750 3900
|
||||
Wire Wire Line
|
||||
5450 4400 5450 4500
|
||||
Wire Wire Line
|
||||
3600 4450 3600 4500
|
||||
Connection ~ 1800 3200
|
||||
Wire Wire Line
|
||||
1800 3200 1950 3200
|
||||
Wire Wire Line
|
||||
3550 3500 3600 3500
|
||||
Wire Wire Line
|
||||
3600 3500 3600 3200
|
||||
Wire Wire Line
|
||||
3600 3200 3550 3200
|
||||
Wire Wire Line
|
||||
3050 3200 3000 3200
|
||||
Wire Wire Line
|
||||
3000 3200 3000 2950
|
||||
Wire Wire Line
|
||||
1800 3550 1800 2950
|
||||
Wire Wire Line
|
||||
1800 4300 1800 4350
|
||||
Wire Wire Line
|
||||
2700 3200 2450 3200
|
||||
Wire Wire Line
|
||||
1850 3850 1800 3850
|
||||
Wire Wire Line
|
||||
1800 3850 1800 3900
|
||||
Wire Wire Line
|
||||
2700 4200 2700 4350
|
||||
Connection ~ 3000 2950
|
||||
Wire Wire Line
|
||||
1800 3550 1850 3550
|
||||
Wire Wire Line
|
||||
3600 3900 3600 3950
|
||||
Wire Wire Line
|
||||
4750 4400 4750 4500
|
||||
Wire Wire Line
|
||||
4800 3900 4700 3900
|
||||
Wire Wire Line
|
||||
4200 3900 4150 3900
|
||||
Wire Wire Line
|
||||
3600 3800 3600 3750
|
||||
Wire Wire Line
|
||||
3600 3750 3550 3750
|
||||
Wire Wire Line
|
||||
4250 3600 4750 3600
|
||||
Wire Wire Line
|
||||
4750 3600 4750 4000
|
||||
Wire Wire Line
|
||||
1800 2950 3775 2950
|
||||
Wire Wire Line
|
||||
2400 2800 2400 2850
|
||||
Wire Wire Line
|
||||
2700 1800 2650 1800
|
||||
Connection ~ 2700 2350
|
||||
Wire Wire Line
|
||||
5450 3550 5450 4000
|
||||
Wire Wire Line
|
||||
8700 3550 8700 3450
|
||||
Wire Wire Line
|
||||
8700 4550 8700 4600
|
||||
Wire Wire Line
|
||||
8050 4350 8050 4550
|
||||
Wire Wire Line
|
||||
7300 4350 7300 4450
|
||||
Wire Wire Line
|
||||
7300 3450 7300 3850
|
||||
Wire Wire Line
|
||||
8050 3950 8050 3900
|
||||
Wire Wire Line
|
||||
8400 3750 6900 3750
|
||||
Wire Wire Line
|
||||
6900 3750 6900 3850
|
||||
Wire Wire Line
|
||||
8500 4000 8500 4150
|
||||
Wire Wire Line
|
||||
8050 3900 7500 3900
|
||||
Wire Wire Line
|
||||
7500 3900 7500 4650
|
||||
Wire Wire Line
|
||||
7500 4650 6550 4650
|
||||
Wire Wire Line
|
||||
2150 2000 2200 2000
|
||||
Wire Wire Line
|
||||
2200 2000 2200 2050
|
||||
Wire Wire Line
|
||||
3500 4950 3550 4950
|
||||
Wire Wire Line
|
||||
3550 4950 3550 4750
|
||||
Wire Wire Line
|
||||
3550 4750 3500 4750
|
||||
Wire Wire Line
|
||||
2900 4750 1450 4750
|
||||
Wire Wire Line
|
||||
1450 4750 1450 2200
|
||||
Wire Wire Line
|
||||
1450 2200 2250 2200
|
||||
Wire Wire Line
|
||||
3500 5150 5950 5150
|
||||
Wire Wire Line
|
||||
5950 5150 5950 4650
|
||||
Wire Wire Line
|
||||
5950 4650 6050 4650
|
||||
Wire Wire Line
|
||||
7300 2950 7300 2900
|
||||
Connection ~ 7300 2900
|
||||
Wire Wire Line
|
||||
8700 2950 8700 2900
|
||||
Connection ~ 8700 2900
|
||||
Wire Wire Line
|
||||
8900 3050 9200 3050
|
||||
Text Label 8900 3050 0 60 ~ 0
|
||||
MBus+
|
||||
Text Label 3550 5150 0 60 ~ 0
|
||||
RxD (receive from MBus)
|
||||
Text Label 3550 5050 0 60 ~ 0
|
||||
TxD (send to MBus)
|
||||
Text Label 3550 5250 0 60 ~ 0
|
||||
USB GND
|
||||
Text Label 3550 4950 0 60 ~ 0
|
||||
USB +5V
|
||||
Text Notes 2000 5050 0 60 ~ 0
|
||||
To USB serial adapter\n(e.g. PL2303,\nwith 3.3V/5V levels)
|
||||
$Comp
|
||||
L CONN_2 P1
|
||||
U 1 1 4EAA8D88
|
||||
P 1800 1900
|
||||
F 0 "P1" V 1750 1900 40 0000 C CNN
|
||||
F 1 "CONN_2" V 1850 1900 40 0000 C CNN
|
||||
1 1800 1900
|
||||
-1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L CONN_2 P3
|
||||
U 1 1 4EAA8D6F
|
||||
P 9550 3150
|
||||
F 0 "P3" V 9500 3150 40 0000 C CNN
|
||||
F 1 "CONN_2" V 9600 3150 40 0000 C CNN
|
||||
1 9550 3150
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L GND #PWR2
|
||||
U 1 1 4EAA8D62
|
||||
P 2200 2050
|
||||
F 0 "#PWR2" H 2200 2050 30 0001 C CNN
|
||||
F 1 "GND" H 2200 1980 30 0001 C CNN
|
||||
1 2200 2050
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L GND #PWR5
|
||||
U 1 1 4EAA8D58
|
||||
P 3550 5300
|
||||
F 0 "#PWR5" H 3550 5300 30 0001 C CNN
|
||||
F 1 "GND" H 3550 5230 30 0001 C CNN
|
||||
1 3550 5300
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L INDUCTOR L1
|
||||
U 1 1 4EAA8D47
|
||||
P 3200 4750
|
||||
F 0 "L1" V 3150 4750 40 0000 C CNN
|
||||
F 1 "INDUCTOR" V 3300 4750 40 0000 C CNN
|
||||
1 3200 4750
|
||||
0 -1 -1 0
|
||||
$EndComp
|
||||
$Comp
|
||||
L CONN_4 P2
|
||||
U 1 1 4EAA8D01
|
||||
P 3150 5100
|
||||
F 0 "P2" V 3100 5100 50 0000 C CNN
|
||||
F 1 "CONN_4" V 3200 5100 50 0000 C CNN
|
||||
1 3150 5100
|
||||
-1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L GND #PWR11
|
||||
U 1 1 4EAA8A6A
|
||||
P 7300 4450
|
||||
F 0 "#PWR11" H 7300 4450 30 0001 C CNN
|
||||
F 1 "GND" H 7300 4380 30 0001 C CNN
|
||||
1 7300 4450
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L GND #PWR12
|
||||
U 1 1 4EAA8A65
|
||||
P 7700 4550
|
||||
F 0 "#PWR12" H 7700 4550 30 0001 C CNN
|
||||
F 1 "GND" H 7700 4480 30 0001 C CNN
|
||||
1 7700 4550
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L GND #PWR10
|
||||
U 1 1 4EAA8A62
|
||||
P 6900 4450
|
||||
F 0 "#PWR10" H 6900 4450 30 0001 C CNN
|
||||
F 1 "GND" H 6900 4380 30 0001 C CNN
|
||||
1 6900 4450
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L GND #PWR13
|
||||
U 1 1 4EAA8A5F
|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
BIN
hardware/MBus_USB.pdf
Normal file → Executable file
BIN
hardware/MBus_USB.pdf
Normal file → Executable file
Binary file not shown.
@ -3,22 +3,21 @@ The convertor is very simple - there are three main parts:
|
||||
- power Voltage converter
|
||||
- USB serial converter
|
||||
|
||||
Voltage converter - "catalogue" use of MC34063 in step-up configuration set for about 34V output voltage and few tens of mA. You can use any other IC/setup which would do the job. Note that if you use other voltage output than 34V (note tha MBus limits) you need to adjust the voltage divider (see below) or use 12V Zener diode instead of R9.
|
||||
Voltage converter - "catalogue" use of MC34063 in step-up configuration set for about 34V output voltage and few tens of mA. You can use any other IC/setup which would do the job. Note that if you use other voltage output than 34V (note the MBus limits) you need to adjust the voltage divider (see below) or use 12V Zener diode instead of R9.
|
||||
|
||||
MBus level converter - it is based on the original design from Uni Paderborn (http://www.m-bus.com/files/minimaster.tif or http://www.m-bus.de/pw1.shtml). It was just "inverted" to use common ground and low voltage IO signals. Also the 12V output voltage drop is done by simple divider (R9/R8) which is OK here (stable voltage, current is amplified).
|
||||
|
||||
Basically no part of the convertor is critical - except of the 12V diff (see above) and current sensing R12.
|
||||
|
||||
|
||||
The USB serial convertor is not covered here in much detail as it does not make sense to build one. Get a USB serial cable - ideal one is an old phone data cable as these are without the RS232 level convertor (i.e. exactly what we want).
|
||||
|
||||
The USB serial convertor is not covered here as it does not make sense to make one. Get a USB serial cable - ideal one is an old phone data cable as these are without the RS232 level convertor (i.e. exactly what we want).
|
||||
|
||||
One sidenote explanation. Typical USB RS232 cable contains two main chips: USB to TTL/CMOS serial converter (this is the "smart" one - e.g. variants of FT232 or PL2303) and TTL/CMOS to RS232 voltage converter (variants of MAX232). We need just the first part as we have our own voltage converter - here CMOS/TTL to MBus instead.
|
||||
|
||||
One sidenote explanation. Typical USB RS232 cable contains two main chips: USB to TTL/CMOS serial converter (this is the "smart" one - e.g. variants of FTDI Chip FT232 or Prolific PL2303) and TTL/CMOS to RS232 voltage converter (variants of MAX232). We need just the first part as we have our own voltage converter - here CMOS/TTL to MBus instead.
|
||||
Or you can buy this as a module.
|
||||
The bottom line is - get either a cable which does not have the RS232 converter or a cable which can be easily opened/dissected and the converter bypassed.
|
||||
|
||||
|
||||
Finally a small disclaimer - this is for educational purposes, there is no warranty of any sort.
|
||||
From technical perspective this works only for few slaves as it is only a simple converter and the power is very limited as well.
|
||||
Finally the disclaimer - this is for educational purposes, there is no warranty of any sort.
|
||||
From technical perspective this works only for few slaves as it is only a simple converter and the power is very limited as well. Tested with the bus of few tens of meters with speed up to 9600Bd with no problems.
|
||||
|
||||
Contributed by Tomas Menzl.
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user