EESchema Schematic File Version 2 LIBS:connectors LIBS:xmega LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L GND #PWR01 U 1 1 590FFC8A P 3600 2800 F 0 "#PWR01" H 3600 2550 50 0001 C CNN F 1 "GND" H 3600 2650 50 0000 C CNN F 2 "" H 3600 2800 50 0001 C CNN F 3 "" H 3600 2800 50 0001 C CNN 1 3600 2800 1 0 0 -1 $EndComp $Comp L +5V #PWR02 U 1 1 5910000E P 2800 2300 F 0 "#PWR02" H 2800 2150 50 0001 C CNN F 1 "+5V" H 2800 2440 50 0000 C CNN F 2 "" H 2800 2300 50 0001 C CNN F 3 "" H 2800 2300 50 0001 C CNN 1 2800 2300 1 0 0 -1 $EndComp $Comp L GND #PWR03 U 1 1 591001C6 P 6200 6000 F 0 "#PWR03" H 6200 5750 50 0001 C CNN F 1 "GND" H 6200 5850 50 0000 C CNN F 2 "" H 6200 6000 50 0001 C CNN F 3 "" H 6200 6000 50 0001 C CNN 1 6200 6000 1 0 0 -1 $EndComp $Comp L C C4 U 1 1 591002C8 P 6650 2925 F 0 "C4" H 6625 2725 50 0000 L CNN F 1 "0.1uF" H 6575 2650 39 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 6688 2775 50 0001 C CNN F 3 "" H 6650 2925 50 0001 C CNN 1 6650 2925 -1 0 0 1 $EndComp $Comp L C C5 U 1 1 59100318 P 6450 2925 F 0 "C5" H 6400 2725 50 0000 L CNN F 1 "0.1uF" H 6375 2650 39 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 6488 2775 50 0001 C CNN F 3 "" H 6450 2925 50 0001 C CNN 1 6450 2925 -1 0 0 1 $EndComp $Comp L C C3 U 1 1 59100348 P 6850 2925 F 0 "C3" H 6800 2725 50 0000 L CNN F 1 "0.1uF" H 6775 2650 39 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 6888 2775 50 0001 C CNN F 3 "" H 6850 2925 50 0001 C CNN 1 6850 2925 -1 0 0 1 $EndComp $Comp L C C6 U 1 1 5910037F P 6250 2925 F 0 "C6" H 6200 2725 50 0000 L CNN F 1 "0.1uF" H 6175 2650 39 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 6288 2775 50 0001 C CNN F 3 "" H 6250 2925 50 0001 C CNN 1 6250 2925 -1 0 0 1 $EndComp $Comp L R R1 U 1 1 59100D83 P 3700 5850 F 0 "R1" H 3600 5850 50 0000 C CNN F 1 "5.1k" V 3700 5850 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 3630 5850 50 0001 C CNN F 3 "" H 3700 5850 50 0001 C CNN 1 3700 5850 1 0 0 -1 $EndComp $Comp L R R2 U 1 1 59100DF9 P 3950 5850 F 0 "R2" H 4050 5850 50 0000 C CNN F 1 "5.1k" V 3950 5850 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 3880 5850 50 0001 C CNN F 3 "" H 3950 5850 50 0001 C CNN 1 3950 5850 1 0 0 -1 $EndComp $Comp L GND #PWR04 U 1 1 59101019 P 3700 6150 F 0 "#PWR04" H 3700 5900 50 0001 C CNN F 1 "GND" H 3700 6000 50 0000 C CNN F 2 "" H 3700 6150 50 0001 C CNN F 3 "" H 3700 6150 50 0001 C CNN 1 3700 6150 1 0 0 -1 $EndComp $Comp L PWR_FLAG #FLG05 U 1 1 59101C73 P 2500 2300 F 0 "#FLG05" H 2500 2375 50 0001 C CNN F 1 "PWR_FLAG" H 2500 2450 39 0000 C CNN F 2 "" H 2500 2300 50 0001 C CNN F 3 "" H 2500 2300 50 0001 C CNN 1 2500 2300 1 0 0 -1 $EndComp $Comp L Conn_01x01 J3 U 1 1 59107B07 P 8150 3300 F 0 "J3" H 8150 3400 50 0000 C CNN F 1 "CONN_01X01" V 8150 3750 50 0001 C CNN F 2 "Conn_PinHeader_2.00mm:PinHeader_1x01_P2.00mm_Vertical" H 8150 3300 50 0001 C CNN F 3 "" H 8150 3300 50 0001 C CNN 1 8150 3300 1 0 0 -1 $EndComp Text Label 6950 3500 0 60 ~ 0 PA0 Text Label 6950 3600 0 60 ~ 0 PA1 Text Label 6950 3700 0 60 ~ 0 PA2 Text Label 6950 3800 0 60 ~ 0 PA3 Text Label 6950 3900 0 60 ~ 0 PA4 Text Label 6950 4000 0 60 ~ 0 PA5 Text Label 6950 4100 0 60 ~ 0 PA6 Text Label 6950 4200 0 60 ~ 0 PA7 $Comp L +5V #PWR06 U 1 1 591080FA P 8700 3250 F 0 "#PWR06" H 8700 3100 50 0001 C CNN F 1 "+5V" H 8700 3390 50 0000 C CNN F 2 "" H 8700 3250 50 0001 C CNN F 3 "" H 8700 3250 50 0001 C CNN 1 8700 3250 1 0 0 -1 $EndComp $Comp L GND #PWR07 U 1 1 5910816D P 7650 3700 F 0 "#PWR07" H 7650 3450 50 0001 C CNN F 1 "GND" H 7650 3550 50 0000 C CNN F 2 "" H 7650 3700 50 0001 C CNN F 3 "" H 7650 3700 50 0001 C CNN 1 7650 3700 1 0 0 -1 $EndComp $Comp L +3.3V #PWR08 U 1 1 59108246 P 7500 3100 F 0 "#PWR08" H 7500 2950 50 0001 C CNN F 1 "+3.3V" H 7500 3240 50 0000 C CNN F 2 "" H 7500 3100 50 0001 C CNN F 3 "" H 7500 3100 50 0001 C CNN 1 7500 3100 1 0 0 -1 $EndComp Text Label 4550 4350 2 60 ~ 0 PE0 Text Label 4550 4450 2 60 ~ 0 PE1 Text Label 5150 4650 2 60 ~ 0 PE3 Text Label 5150 4800 2 60 ~ 0 PD0 Text Label 5150 4900 2 60 ~ 0 PD1 Text Label 5150 5000 2 60 ~ 0 PD2 Text Label 5150 5100 2 60 ~ 0 PD3 Text Label 5150 5200 2 60 ~ 0 PD4 Text Label 5150 5300 2 60 ~ 0 PD5 Text Label 9900 3550 0 60 ~ 0 PE0 Text Label 9400 3550 2 60 ~ 0 PE1 Text Label 8450 3600 0 60 ~ 0 PE3 Text Label 9900 3850 0 60 ~ 0 PD0 Text Label 9400 3850 2 60 ~ 0 PD1 Text Label 9900 3750 0 60 ~ 0 PD2 Text Label 9400 3750 2 60 ~ 0 PD3 Text Label 9900 3650 0 60 ~ 0 PD4 Text Label 9400 3650 2 60 ~ 0 PD5 Text Label 6950 4350 0 60 ~ 0 PB0 Text Label 6950 4450 0 60 ~ 0 PB1 Text Label 6950 4550 0 60 ~ 0 PB2 Text Label 6950 4650 0 60 ~ 0 PB3 Text Label 6950 4800 0 60 ~ 0 PC0 Text Label 6950 4900 0 60 ~ 0 PC1 Text Label 6950 5000 0 60 ~ 0 PC2 Text Label 6950 5100 0 60 ~ 0 PC3 Text Label 6950 5200 0 60 ~ 0 PC4 Text Label 6950 5300 0 60 ~ 0 PC5 Text Label 6950 5400 0 60 ~ 0 PC6 Text Label 6950 5500 0 60 ~ 0 PC7 Text Label 7950 3900 2 60 ~ 0 PA0 Text Label 8450 3900 0 60 ~ 0 PA1 Text Label 7950 4000 2 60 ~ 0 PA2 Text Label 8450 4000 0 60 ~ 0 PA3 Text Label 7950 4100 2 60 ~ 0 PA4 Text Label 8450 4100 0 60 ~ 0 PA5 Text Label 7950 4200 2 60 ~ 0 PA6 Text Label 8450 4200 0 60 ~ 0 PA7 Text Label 7950 4300 2 60 ~ 0 PB0 Text Label 8450 4300 0 60 ~ 0 PB1 Text Label 9900 4350 0 60 ~ 0 PB2 Text Label 9400 4350 2 60 ~ 0 PB3 Text Label 9900 4250 0 60 ~ 0 PC0 Text Label 9400 4250 2 60 ~ 0 PC1 Text Label 9900 4150 0 60 ~ 0 PC2 Text Label 9400 4150 2 60 ~ 0 PC3 Text Label 9900 4050 0 60 ~ 0 PC4 Text Label 9400 4050 2 60 ~ 0 PC5 Text Label 9900 3950 0 60 ~ 0 PC6 Text Label 9400 3950 2 60 ~ 0 PC7 Text Label 5150 4200 2 60 ~ 0 PR1 Text Label 4675 3600 2 60 ~ 0 PCL Text Label 5150 3700 2 60 ~ 0 PDI Text Label 7950 3800 2 60 ~ 0 PR1 Text Label 7950 3700 2 60 ~ 0 PCL Text Label 7950 3300 2 60 ~ 0 PDI $Comp L +3.3V #PWR09 U 1 1 59130D40 P 4725 1850 F 0 "#PWR09" H 4725 1700 50 0001 C CNN F 1 "+3.3V" H 4725 1990 50 0000 C CNN F 2 "" H 4725 1850 50 0001 C CNN F 3 "" H 4725 1850 50 0001 C CNN 1 4725 1850 1 0 0 -1 $EndComp $Comp L C C2 U 1 1 5918049E P 7150 2925 F 0 "C2" H 7100 2725 50 0000 L CNN F 1 "10uF" H 7075 2650 39 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 7188 2775 50 0001 C CNN F 3 "" H 7150 2925 50 0001 C CNN 1 7150 2925 -1 0 0 1 $EndComp $Comp L R R3 U 1 1 5918161D P 4925 3325 F 0 "R3" H 4825 3325 50 0000 C CNN F 1 "10k" V 4925 3325 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 4855 3325 50 0001 C CNN F 3 "" H 4925 3325 50 0001 C CNN 1 4925 3325 1 0 0 -1 $EndComp $Comp L +3.3V #PWR010 U 1 1 59181740 P 4925 3175 F 0 "#PWR010" H 4925 3025 50 0001 C CNN F 1 "+3.3V" H 4925 3315 50 0000 C CNN F 2 "" H 4925 3175 50 0001 C CNN F 3 "" H 4925 3175 50 0001 C CNN 1 4925 3175 1 0 0 -1 $EndComp $Comp L R R4 U 1 1 591846D9 P 4650 4050 F 0 "R4" H 4550 4050 50 0000 C CNN F 1 "10k" V 4650 4050 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 4580 4050 50 0001 C CNN F 3 "" H 4650 4050 50 0001 C CNN 1 4650 4050 1 0 0 -1 $EndComp $Comp L R R5 U 1 1 5918472E P 4800 4050 F 0 "R5" H 4900 4050 50 0000 C CNN F 1 "10k" V 4800 4050 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 4730 4050 50 0001 C CNN F 3 "" H 4800 4050 50 0001 C CNN 1 4800 4050 1 0 0 -1 $EndComp $Comp L +3.3V #PWR011 U 1 1 59184C0D P 4650 3900 F 0 "#PWR011" H 4650 3750 50 0001 C CNN F 1 "+3.3V" H 4600 4050 50 0000 C CNN F 2 "" H 4650 3900 50 0001 C CNN F 3 "" H 4650 3900 50 0001 C CNN 1 4650 3900 1 0 0 -1 $EndComp $Comp L D_Schottky_x2_KCom_AAK D1 U 1 1 596D9841 P 4300 2050 F 0 "D1" V 4100 1950 50 0000 C CNN F 1 "D_Schottky_x2_KCom_AAK" V 4400 2650 50 0000 C CNN F 2 "Package_TO_SOT_SMD:SOT-23" H 4300 2050 50 0001 C CNN F 3 "" H 4300 2050 50 0001 C CNN 1 4300 2050 0 -1 -1 0 $EndComp $Comp L PWR_FLAG #FLG012 U 1 1 596DAA30 P 3950 1550 F 0 "#FLG012" H 3950 1625 50 0001 C CNN F 1 "PWR_FLAG" H 3950 1700 39 0000 C CNN F 2 "" H 3950 1550 50 0001 C CNN F 3 "" H 3950 1550 50 0001 C CNN 1 3950 1550 1 0 0 -1 $EndComp $Comp L C C1 U 1 1 5912FD33 P 3850 2600 F 0 "C1" H 3750 2700 50 0000 L CNN F 1 "1uF" H 3600 2600 50 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 3888 2450 50 0001 C CNN F 3 "" H 3850 2600 50 0001 C CNN 1 3850 2600 -1 0 0 1 $EndComp $Comp L R R6 U 1 1 596DD7BD P 4100 3800 F 0 "R6" H 4000 3800 50 0000 C CNN F 1 "100k" V 4100 3800 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 4030 3800 50 0001 C CNN F 3 "" H 4100 3800 50 0001 C CNN 1 4100 3800 1 0 0 -1 $EndComp $Comp L R R7 U 1 1 596DD95D P 4100 4350 F 0 "R7" H 4000 4350 50 0000 C CNN F 1 "100k" V 4100 4350 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 4030 4350 50 0001 C CNN F 3 "" H 4100 4350 50 0001 C CNN 1 4100 4350 1 0 0 -1 $EndComp $Comp L GND #PWR013 U 1 1 596DDBCE P 4100 4650 F 0 "#PWR013" H 4100 4400 50 0001 C CNN F 1 "GND" H 4100 4500 50 0000 C CNN F 2 "" H 4100 4650 50 0001 C CNN F 3 "" H 4100 4650 50 0001 C CNN 1 4100 4650 1 0 0 -1 $EndComp Text Notes 5100 4550 2 60 ~ 0 vbus check pin Text Label 5150 4100 2 60 ~ 0 PR0 Text Label 8450 3800 0 60 ~ 0 PR0 $Comp L PWR_FLAG #FLG014 U 1 1 596E0FA8 P 5075 1850 F 0 "#FLG014" H 5075 1925 50 0001 C CNN F 1 "PWR_FLAG" H 5075 2000 39 0000 C CNN F 2 "" H 5075 1850 50 0001 C CNN F 3 "" H 5075 1850 50 0001 C CNN 1 5075 1850 1 0 0 -1 $EndComp NoConn ~ 3200 4150 NoConn ~ 3200 4250 NoConn ~ 3200 4500 NoConn ~ 3200 4400 NoConn ~ 3200 5850 NoConn ~ 3200 5950 NoConn ~ 3200 6100 NoConn ~ 3200 6200 NoConn ~ 3200 4850 NoConn ~ 3200 4750 NoConn ~ 2150 6700 $Comp L GND #PWR015 U 1 1 59BD0C6D P 3950 6150 F 0 "#PWR015" H 3950 5900 50 0001 C CNN F 1 "GND" H 3950 6000 50 0000 C CNN F 2 "" H 3950 6150 50 0001 C CNN F 3 "" H 3950 6150 50 0001 C CNN 1 3950 6150 1 0 0 -1 $EndComp $Comp L GND #PWR016 U 1 1 59BD16B1 P 3000 6800 F 0 "#PWR016" H 3000 6550 50 0001 C CNN F 1 "GND" H 3000 6650 50 0000 C CNN F 2 "" H 3000 6800 50 0001 C CNN F 3 "" H 3000 6800 50 0001 C CNN 1 3000 6800 1 0 0 -1 $EndComp Text Label 3600 5100 0 39 ~ 0 D- Text Label 3600 5000 0 39 ~ 0 D+ Text Label 4850 5500 2 39 ~ 0 D+ Text Label 4850 5400 2 39 ~ 0 D- $Comp L +3.3V #PWR017 U 1 1 59BD7920 P 4800 3900 F 0 "#PWR017" H 4800 3750 50 0001 C CNN F 1 "+3.3V" H 4850 4050 50 0000 C CNN F 2 "" H 4800 3900 50 0001 C CNN F 3 "" H 4800 3900 50 0001 C CNN 1 4800 3900 1 0 0 -1 $EndComp $Comp L +BATT #PWR018 U 1 1 59BD7F6C P 8950 3600 F 0 "#PWR018" H 8950 3450 50 0001 C CNN F 1 "+BATT" H 8950 3740 50 0000 C CNN F 2 "" H 8950 3600 50 0001 C CNN F 3 "" H 8950 3600 50 0001 C CNN 1 8950 3600 1 0 0 -1 $EndComp $Comp L +BATT #PWR019 U 1 1 59BD8217 P 4300 1550 F 0 "#PWR019" H 4300 1400 50 0001 C CNN F 1 "+BATT" H 4300 1690 50 0000 C CNN F 2 "" H 4300 1550 50 0001 C CNN F 3 "" H 4300 1550 50 0001 C CNN 1 4300 1550 1 0 0 -1 $EndComp Text Notes 7250 2350 0 60 ~ 0 Col0: A0\nCol1: A1\nCol2: A2\nCol3: A3\nCol4: A4\nCol5: A5\nCol6: A6\nCol7: A7\nCol8: B0\nCol9: B1\nCol10: B2\nCol11: B3\nCol12: C0\nCol13: C1\nCol14: C2\nCol15: C3 Text Notes 7950 1775 0 60 ~ 0 \nRow0: D0\nRow1: D1\nRow2: D2\nRow3: D3\nRow4: D4\nRow5: D5\nRow6: C3\nRow7: C2\nRow8: C1\nRow9: C0\n Text Notes 8550 1975 0 60 ~ 0 E3: E3\nR0: R0\nR1: R1\n\nSDA: E0\nSCL: E1\n\nMI: C6\nMO: C5\nSCK: C7\nSS: C4\n\n Text Notes 7200 800 0 60 ~ 0 PIN MAPPING\n $Comp L ATXMEGA16A4U-MH_EPAD U2 U 1 1 59BDA832 P 6050 4500 F 0 "U2" H 5300 5700 50 0000 L BNN F 1 "ATXMEGA16A4U-MH_EPAD" H 6400 3250 50 0000 L BNN F 2 "qfn:QFN-44-1EP_7x7mm_Pitch0.5mm_Alt_Silk" H 6050 4500 50 0001 C CIN F 3 "" H 6050 4500 50 0001 C CNN 1 6050 4500 1 0 0 -1 $EndComp Wire Wire Line 7500 3600 7500 3100 Wire Wire Line 7950 3600 7500 3600 Wire Wire Line 3200 5100 4300 5100 Wire Wire Line 3200 5000 4400 5000 Wire Wire Line 5600 5800 6200 5800 Connection ~ 6000 5800 Connection ~ 6100 5800 Wire Wire Line 6200 5800 6200 6000 Connection ~ 5900 5800 Wire Wire Line 3650 2450 4300 2450 Wire Wire Line 4500 2050 6050 2050 Wire Wire Line 4300 2450 4300 2350 Connection ~ 3850 2450 Wire Wire Line 4100 3950 4100 4200 Wire Wire Line 4100 4500 4100 4650 Connection ~ 4100 4100 Wire Wire Line 4300 4550 5150 4550 Wire Wire Line 7950 3500 7650 3500 Wire Wire Line 7650 3500 7650 3700 Wire Wire Line 8450 3500 8700 3500 Wire Wire Line 8700 3500 8700 3250 Wire Wire Line 3700 6000 3700 6150 Wire Wire Line 3950 6000 3950 6150 Wire Wire Line 3700 5700 3700 5650 Wire Wire Line 3700 5650 3200 5650 Wire Wire Line 3950 5700 3950 5550 Wire Wire Line 3950 5550 3200 5550 Wire Wire Line 2800 3800 2100 3800 Connection ~ 2200 3800 Connection ~ 2300 3800 Connection ~ 2400 3800 Wire Wire Line 2550 6700 3000 6700 Connection ~ 2650 6700 Connection ~ 2750 6700 Wire Wire Line 3000 6700 3000 6800 Connection ~ 2850 6700 Wire Wire Line 3200 5250 3300 5250 Wire Wire Line 3300 5250 3300 5000 Connection ~ 3300 5000 Wire Wire Line 3200 5350 3400 5350 Wire Wire Line 3400 5350 3400 5100 Connection ~ 3400 5100 Wire Wire Line 4400 5500 5150 5500 Wire Wire Line 4300 5400 5150 5400 Wire Wire Line 4400 5000 4400 5500 Wire Wire Line 4300 5100 4300 5400 Wire Wire Line 2800 3650 4100 3650 Wire Wire Line 2800 2300 2800 3800 Connection ~ 2800 2450 Connection ~ 2800 3650 Wire Wire Line 2800 2450 3050 2450 Wire Wire Line 4725 1850 5075 1850 Connection ~ 4725 2050 Wire Wire Line 4725 2050 4725 1850 Wire Wire Line 2800 2300 2500 2300 Wire Wire Line 4300 4550 4300 4100 Wire Wire Line 4300 4100 4100 4100 Wire Wire Line 4550 4350 5150 4350 Wire Wire Line 4550 4450 5150 4450 Wire Wire Line 4650 4450 4650 4200 Connection ~ 4650 4450 Connection ~ 4800 4350 Wire Wire Line 4800 4200 4800 4350 Wire Wire Line 8450 3700 8950 3700 Wire Wire Line 8950 3700 8950 3600 Wire Wire Line 4300 1750 4300 1550 Wire Wire Line 4300 1550 3950 1550 Wire Notes Line 7200 800 7200 2500 Wire Notes Line 7200 2500 11100 2500 Wire Notes Line 11100 2500 11100 800 Wire Notes Line 11100 800 7200 800 Wire Wire Line 4675 3600 5150 3600 Wire Wire Line 4925 3475 4925 3600 Connection ~ 4925 3600 Wire Wire Line 6050 3200 5600 3200 Connection ~ 5750 3200 Connection ~ 5900 3200 Wire Wire Line 6050 2775 7150 2775 Connection ~ 6250 2775 Connection ~ 6450 2775 Connection ~ 6650 2775 Connection ~ 6850 2775 $Comp L GND #PWR020 U 1 1 59BDDA09 P 7150 3075 F 0 "#PWR020" H 7150 2825 50 0001 C CNN F 1 "GND" H 7150 2925 50 0000 C CNN F 2 "" H 7150 3075 50 0001 C CNN F 3 "" H 7150 3075 50 0001 C CNN 1 7150 3075 1 0 0 -1 $EndComp $Comp L GND #PWR021 U 1 1 59BDDA8C P 6850 3075 F 0 "#PWR021" H 6850 2825 50 0001 C CNN F 1 "GND" H 6850 2925 50 0000 C CNN F 2 "" H 6850 3075 50 0001 C CNN F 3 "" H 6850 3075 50 0001 C CNN 1 6850 3075 1 0 0 -1 $EndComp $Comp L GND #PWR022 U 1 1 59BDDAD3 P 6650 3075 F 0 "#PWR022" H 6650 2825 50 0001 C CNN F 1 "GND" H 6650 2925 50 0000 C CNN F 2 "" H 6650 3075 50 0001 C CNN F 3 "" H 6650 3075 50 0001 C CNN 1 6650 3075 1 0 0 -1 $EndComp $Comp L GND #PWR023 U 1 1 59BDDB1A P 6450 3075 F 0 "#PWR023" H 6450 2825 50 0001 C CNN F 1 "GND" H 6450 2925 50 0000 C CNN F 2 "" H 6450 3075 50 0001 C CNN F 3 "" H 6450 3075 50 0001 C CNN 1 6450 3075 1 0 0 -1 $EndComp $Comp L GND #PWR024 U 1 1 59BDDB61 P 6250 3075 F 0 "#PWR024" H 6250 2825 39 0001 C CNN F 1 "GND" H 6250 2925 50 0000 C CNN F 2 "" H 6250 3075 50 0001 C CNN F 3 "" H 6250 3075 50 0001 C CNN 1 6250 3075 1 0 0 -1 $EndComp Connection ~ 6050 2775 Wire Wire Line 6050 2050 6050 3200 Wire Notes Line 2075 1125 5525 1125 Wire Notes Line 5525 1125 5525 3000 Wire Notes Line 5525 3000 2075 3000 Wire Notes Line 2075 3000 2075 1125 Text Notes 2075 1100 0 60 ~ 0 Voltage Regulation and Selection\n Wire Wire Line 3350 2750 3350 2800 Wire Wire Line 3350 2800 3850 2800 Wire Wire Line 3850 2800 3850 2750 Connection ~ 3600 2800 Text Notes 2100 1300 0 51 ~ 0 Note: The battery voltage should be less than\n the voltage output by the 3.3V regulator. Text Notes 9050 1025 0 60 ~ 0 RST: PCL\nPDI: PDI Text Notes 8500 2450 0 61 ~ 0 \nERRATA (rev2):\nThe SS and MO pins are mislabeled on the silkscreen.\nSS should be MO, and MO should be SS. $Comp L USB_TYPE_C J1 U 1 1 59BE1328 P 2450 5200 F 0 "J1" H 1800 5175 60 0000 C CNN F 1 "USB_TYPE_C" H 2400 5250 60 0000 C CNN F 2 "conn_usb:DX07B024JJ1R1300" H 2400 4950 60 0001 C CNN F 3 "" H 2400 4950 60 0001 C CNN 1 2450 5200 1 0 0 -1 $EndComp $Comp L Conn_02x09_Odd_Even J2 U 1 1 59BE116E P 8150 3900 F 0 "J2" H 8200 4400 50 0000 C CNN F 1 "Conn_02x09_Odd_Even" H 8200 3400 50 0000 C CNN F 2 "Conn_PinHeader_2.00mm:PinHeader_2x09_P2.00mm_Vertical" H 8150 3900 50 0001 C CNN F 3 "" H 8150 3900 50 0001 C CNN 1 8150 3900 1 0 0 -1 $EndComp $Comp L Conn_02x09_Odd_Even J4 U 1 1 59BE1233 P 9600 3950 F 0 "J4" H 9650 4450 50 0000 C CNN F 1 "Conn_02x09_Odd_Even" H 9650 3450 50 0000 C CNN F 2 "Conn_PinHeader_2.00mm:PinHeader_2x09_P2.00mm_Vertical" H 9600 3950 50 0001 C CNN F 3 "" H 9600 3950 50 0001 C CNN 1 9600 3950 1 0 0 -1 $EndComp $Comp L MCP1700-3302E_SOT23 U1 U 1 1 59BE1A4B P 3350 2450 F 0 "U1" H 3125 2150 50 0000 C CNN F 1 "MCP1700-3302E_SOT23" H 3025 2625 50 0000 L CNN F 2 "Package_TO_SOT_SMD:SOT-23" H 3350 2675 50 0001 C CNN F 3 "" H 3350 2450 50 0001 C CNN 1 3350 2450 1 0 0 -1 $EndComp $EndSCHEMATC