alternative design

CAD/ClockClock/ClockClock-cache.lib

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+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# MCU_ST_STM32L0_STM32L031K6Tx
+#
+DEF MCU_ST_STM32L0_STM32L031K6Tx U 0 20 Y Y 1 F N
+F0 "U" -500 850 50 H V L CNN
+F1 "MCU_ST_STM32L0_STM32L031K6Tx" 200 850 50 H V L CNN
+F2 "Package_QFP:LQFP-32_7x7mm_P0.8mm" -500 -900 50 H I R CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS STM32L031K6Tx
+$FPLIST
+ LQFP*7x7mm*P0.8mm*
+$ENDFPLIST
+DRAW
+S -500 -900 400 800 0 1 10 f
+X VDD 1 -100 900 100 D 50 50 1 1 W
+X PA4 10 500 300 100 L 50 50 1 1 B
+X PA5 11 500 200 100 L 50 50 1 1 B
+X PA6 12 500 100 100 L 50 50 1 1 B
+X PA7 13 500 0 100 L 50 50 1 1 B
+X PB0 14 -600 -200 100 R 50 50 1 1 B
+X PB1 15 -600 -300 100 R 50 50 1 1 B
+X VSS 16 -100 -1000 100 U 50 50 1 1 W
+X VDD 17 0 900 100 D 50 50 1 1 W
+X PA8 18 500 -100 100 L 50 50 1 1 B
+X PA9 19 500 -200 100 L 50 50 1 1 B
+X PC14 2 -600 100 100 R 50 50 1 1 B
+X PA10 20 500 -300 100 L 50 50 1 1 B
+X PA11 21 500 -400 100 L 50 50 1 1 B
+X PA12 22 500 -500 100 L 50 50 1 1 B
+X PA13 23 500 -600 100 L 50 50 1 1 B
+X PA14 24 500 -700 100 L 50 50 1 1 B
+X PA15 25 500 -800 100 L 50 50 1 1 B
+X PB3 26 -600 -400 100 R 50 50 1 1 B
+X PB4 27 -600 -500 100 R 50 50 1 1 B
+X PB5 28 -600 -600 100 R 50 50 1 1 B
+X PB6 29 -600 -700 100 R 50 50 1 1 B
+X PC15 3 -600 0 100 R 50 50 1 1 B
+X PB7 30 -600 -800 100 R 50 50 1 1 B
+X BOOT0 31 -600 500 100 R 50 50 1 1 I
+X VSS 32 0 -1000 100 U 50 50 1 1 W
+X NRST 4 -600 700 100 R 50 50 1 1 I
+X VDDA 5 100 900 100 D 50 50 1 1 W
+X PA0 6 500 700 100 L 50 50 1 1 B
+X PA1 7 500 600 100 L 50 50 1 1 B
+X PA2 8 500 500 100 L 50 50 1 1 B
+X PA3 9 500 400 100 L 50 50 1 1 B
+ENDDRAW
+ENDDEF
+#
+# power_+3.3V
+#
+DEF power_+3.3V #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "power_+3.3V" 0 140 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS +3.3V
+DRAW
+P 2 0 1 0 -30 50 0 100 N
+P 2 0 1 0 0 0 0 100 N
+P 2 0 1 0 0 100 30 50 N
+X +3V3 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# power_GND
+#
+DEF power_GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "power_GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+#End Library

CAD/ClockClock/ClockClock.kicad_pcb

@@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )

CAD/ClockClock/ClockClock.pro

@@ -0,0 +1,33 @@
+update=22/05/2015 07:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]

CAD/ClockClock/ClockClock.sch

@@ -0,0 +1,74 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L MCU_ST_STM32L0:STM32L031K6Tx U?
+U 1 1 604C17C5
+P 6000 2900
+F 0 "U?" H 5950 1811 50  0000 C CNN
+F 1 "STM32L031K6Tx" H 5950 1720 50  0000 C CNN
+F 2 "Package_QFP:LQFP-32_7x7mm_P0.8mm" H 5500 2000 50  0001 R CNN
+F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00140359.pdf" H 6000 2900 50  0001 C CNN
+	1    6000 2900
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR?
+U 1 1 604C2A16
+P 5950 1650
+F 0 "#PWR?" H 5950 1500 50  0001 C CNN
+F 1 "+3.3V" H 5965 1823 50  0000 C CNN
+F 2 "" H 5950 1650 50  0001 C CNN
+F 3 "" H 5950 1650 50  0001 C CNN
+	1    5950 1650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5900 1750 5900 2000
+Wire Wire Line
+	6000 2000 6000 1750
+Wire Wire Line
+	6000 1750 5950 1750
+Wire Wire Line
+	5950 1650 5950 1750
+Connection ~ 5950 1750
+Wire Wire Line
+	5950 1750 5900 1750
+Wire Wire Line
+	6100 2000 6100 1750
+Wire Wire Line
+	6100 1750 6000 1750
+Connection ~ 6000 1750
+$Comp
+L power:GND #PWR?
+U 1 1 604C3752
+P 5900 4300
+F 0 "#PWR?" H 5900 4050 50  0001 C CNN
+F 1 "GND" H 5905 4127 50  0000 C CNN
+F 2 "" H 5900 4300 50  0001 C CNN
+F 3 "" H 5900 4300 50  0001 C CNN
+	1    5900 4300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5900 4300 5900 4150
+Wire Wire Line
+	6000 3900 6000 4150
+Wire Wire Line
+	6000 4150 5900 4150
+Connection ~ 5900 4150
+Wire Wire Line
+	5900 4150 5900 3900
+$EndSCHEMATC

CAD/ClockClock/ClockClock.sch-bak

@@ -0,0 +1,4 @@
+EESchema Schematic File Version 2
+EELAYER 25 0
+EELAYER END
+$EndSCHEMATC