mirror of
https://gitea.osmocom.org/sim-card/simtrace.git
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Add R23 (pull-up for !SIM_RST signal)
While the SAM7 has an internal pull-up, this is of no use if the bus switch input is left open and collects noise resulting in bogus nRST interrupts.
This commit is contained in:
Harald Welte
@@ -1,4 +1,4 @@
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EESchema Schematic File Version 2 date Wed 16 May 2012 13:12:21 CEST
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EESchema Schematic File Version 2 date Do 17 Mai 2012 16:14:52 CEST
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LIBS:power
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LIBS:device
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LIBS:transistors
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@@ -38,7 +38,7 @@ $Descr A4 11700 8267
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encoding utf-8
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Sheet 1 1
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Title "SIMtrace hardware"
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Date "16 may 2012"
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Date "17 may 2012"
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Rev "v1.2p"
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Comp "osmocom"
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Comment1 "CC-BY-SA"
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@@ -46,6 +46,8 @@ Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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Wire Wire Line
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8600 1700 8400 1700
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Wire Wire Line
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10550 6350 9850 6350
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Wire Wire Line
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@@ -83,7 +85,7 @@ Wire Wire Line
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Wire Wire Line
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1900 6500 1750 6500
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Wire Wire Line
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8250 2300 8250 2250
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7450 2300 8500 2300
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Wire Wire Line
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650 5450 1250 5450
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Wire Wire Line
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@@ -106,8 +108,6 @@ Wire Wire Line
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7450 5100 7700 5100
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Wire Wire Line
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8400 1700 8400 1600
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Wire Wire Line
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7450 2300 8350 2300
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Wire Wire Line
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2050 6650 1600 6650
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Wire Wire Line
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@@ -134,7 +134,7 @@ Wire Wire Line
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Wire Wire Line
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900 3550 900 3700
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Wire Wire Line
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8800 1100 9150 1100
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9000 1100 9150 1100
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Wire Wire Line
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7450 1700 7650 1700
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Wire Wire Line
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@@ -166,7 +166,7 @@ Wire Wire Line
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Wire Wire Line
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4800 2700 4800 2900
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Wire Wire Line
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8950 2550 8950 2650
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9100 2550 9100 2650
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Connection ~ 7550 5200
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Wire Wire Line
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7650 5200 7450 5200
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@@ -244,7 +244,7 @@ Wire Wire Line
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Wire Wire Line
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10550 2050 10950 2050
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Wire Wire Line
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9350 1750 8750 1750
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9350 1750 8950 1750
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Wire Wire Line
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7450 3700 7900 3700
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Wire Wire Line
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@@ -303,7 +303,7 @@ Wire Wire Line
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Wire Wire Line
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8350 2600 7450 2600
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Wire Wire Line
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7450 2400 8350 2400
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8700 2400 7450 2400
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Wire Wire Line
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8350 4000 7450 4000
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Connection ~ 8200 2600
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@@ -529,7 +529,7 @@ Wire Wire Line
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Wire Wire Line
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7450 3600 7900 3600
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Wire Wire Line
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9350 1850 8750 1850
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9350 1850 8950 1850
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Wire Wire Line
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10550 1950 10950 1950
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Wire Wire Line
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@@ -580,7 +580,7 @@ Wire Wire Line
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Wire Wire Line
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7000 1350 7650 1350
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Wire Wire Line
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9350 1950 8750 1950
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9350 1950 8950 1950
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Wire Wire Line
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7450 2900 8350 2900
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Wire Wire Line
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@@ -598,8 +598,8 @@ Wire Wire Line
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7450 5300 7550 5300
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Connection ~ 7550 5300
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Wire Wire Line
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8950 2050 8950 1950
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Connection ~ 8950 1950
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9100 2050 9100 1950
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Connection ~ 9100 1950
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Wire Wire Line
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3300 3050 3300 2900
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Connection ~ 3300 2900
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@@ -638,9 +638,9 @@ Wire Wire Line
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Wire Wire Line
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7450 1900 8300 1900
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Wire Wire Line
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8600 1700 8600 1400
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8800 1700 8800 1400
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Wire Wire Line
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8150 1100 8400 1100
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8150 1100 8600 1100
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Wire Wire Line
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1150 3650 1150 3000
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Wire Wire Line
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@@ -670,12 +670,12 @@ Wire Wire Line
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Wire Wire Line
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5050 1700 5050 1600
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Wire Wire Line
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7450 3200 8600 3200
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7450 3200 8800 3200
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Wire Wire Line
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8600 3200 8600 2200
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8800 3200 8800 2200
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Wire Wire Line
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7650 1350 7650 1700
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Connection ~ 8250 2300
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Connection ~ 8400 2300
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Wire Wire Line
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7700 4900 7550 4900
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Wire Wire Line
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@@ -693,9 +693,7 @@ Wire Wire Line
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Wire Wire Line
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1250 5650 650 5650
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Wire Wire Line
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8250 2250 8400 2250
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Wire Wire Line
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8400 2250 8400 2200
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8400 2300 8400 2200
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Wire Wire Line
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8200 2000 8200 2500
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Wire Wire Line
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@@ -704,7 +702,7 @@ Connection ~ 900 5450
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Wire Wire Line
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900 6200 900 5450
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Wire Wire Line
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2250 5450 2250 5650
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2250 5650 2250 5450
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Wire Wire Line
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10350 4950 10800 4950
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Wire Wire Line
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@@ -727,6 +725,19 @@ Wire Wire Line
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7900 6650 7850 6650
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Wire Wire Line
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7850 6650 7850 5850
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Wire Wire Line
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8600 2400 8600 2200
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Connection ~ 8600 2400
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$Comp
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L R R23
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U 1 1 4FB50700
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P 8600 1950
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F 0 "R23" V 8680 1950 50 0000 C CNN
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F 1 "100K" V 8600 1950 50 0000 C CNN
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F 2 "SM0603" H 8600 1950 60 0001 C CNN
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1 8600 1950
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1 0 0 -1
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$EndComp
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Text Label 10000 6350 0 60 ~ 0
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RST_PHONE
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Text Label 7850 6300 1 60 ~ 0
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@@ -1027,28 +1038,28 @@ F 1 "3V3" H 3750 6775 40 0000 C CNN
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0 1 1 0
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$EndComp
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NoConn ~ 7450 4800
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Text Label 8850 1100 0 60 ~ 0
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Text Label 9050 1100 0 60 ~ 0
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UDP_PUP
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$Comp
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L R R16
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U 1 1 4DC7A441
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P 8600 1950
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F 0 "R16" V 8680 1950 50 0000 C CNN
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F 1 "10K" V 8600 1950 50 0000 C CNN
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F 2 "SM0603" H 8600 1950 60 0001 C CNN
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1 8600 1950
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P 8800 1950
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F 0 "R16" V 8880 1950 50 0000 C CNN
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F 1 "10K" V 8800 1950 50 0000 C CNN
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F 2 "SM0603" H 8800 1950 60 0001 C CNN
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1 8800 1950
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1 0 0 -1
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$EndComp
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$Comp
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L BC847 Q2
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U 1 1 4DC7A43A
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P 8600 1200
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F 0 "Q2" H 8600 1050 50 0000 R CNN
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F 1 "BC847" V 9000 1200 50 0000 R CNN
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F 2 "SOT23_BC847" H 8600 1200 60 0001 C CNN
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F 4 "45V" V 8850 1100 50 0000 C CNN "Field1"
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F 5 "100mA" V 8850 1350 50 0000 C CNN "Field2"
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1 8600 1200
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P 8800 1200
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F 0 "Q2" H 8800 1050 50 0000 R CNN
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F 1 "BC847" V 9200 1200 50 0000 R CNN
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F 2 "SOT23_BC847" H 8800 1200 60 0001 C CNN
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F 4 "45V" V 9050 1100 50 0000 C CNN "Field1"
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F 5 "100mA" V 9050 1350 50 0000 C CNN "Field2"
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1 8800 1200
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0 1 -1 0
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$EndComp
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$Comp
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@@ -1225,20 +1236,20 @@ $EndComp
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$Comp
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L GND #PWR017
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U 1 1 4DC799FC
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P 8950 2650
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F 0 "#PWR017" H 8950 2650 30 0001 C CNN
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F 1 "GND" H 8950 2580 30 0001 C CNN
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1 8950 2650
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P 9100 2650
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F 0 "#PWR017" H 9100 2650 30 0001 C CNN
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F 1 "GND" H 9100 2580 30 0001 C CNN
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1 9100 2650
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1 0 0 -1
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$EndComp
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$Comp
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L R R17
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U 1 1 4DC799F2
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P 8950 2300
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F 0 "R17" V 9030 2300 50 0000 C CNN
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F 1 "10K" V 8950 2300 50 0000 C CNN
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F 2 "SM0603" H 8950 2300 60 0001 C CNN
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1 8950 2300
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P 9100 2300
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F 0 "R17" V 9180 2300 50 0000 C CNN
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F 1 "10K" V 9100 2300 50 0000 C CNN
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F 2 "SM0603" H 9100 2300 60 0001 C CNN
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1 9100 2300
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1 0 0 -1
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$EndComp
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$Comp
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@@ -1423,7 +1434,7 @@ Text Label 7600 2900 0 60 ~ 0
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I/O_SW
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Text Label 7600 3300 0 60 ~ 0
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WP
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Text Label 8850 1950 0 60 ~ 0
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Text Label 9000 1950 0 60 ~ 0
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WP
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Text Label 7050 1350 0 60 ~ 0
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BOOTLOADER
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@@ -1554,9 +1565,9 @@ Text Label 10700 2050 0 60 ~ 0
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MOSI
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Text Label 10700 1950 0 60 ~ 0
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SCK
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Text Label 8850 1850 0 60 ~ 0
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Text Label 9050 1850 0 60 ~ 0
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MISO
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Text Label 8850 1750 0 60 ~ 0
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Text Label 9050 1750 0 60 ~ 0
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CS
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Text Label 7600 3700 0 60 ~ 0
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CS
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