EESchema Schematic File Version 2 LIBS:u2f-zero-rescue 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 LIBS:siliconlabs LIBS:atmel_cryptoauth LIBS:discrete LIBS:u2f-zero-cache 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 EFM8UB1 E1 U 1 1 56857441 P 5200 4500 F 0 "E1" H 4800 5100 60 0000 C CNN F 1 "EFM8UB1" H 4650 5200 60 0000 C CNN F 2 "footprints:EFM8UB1" H 4700 5000 60 0001 C CNN F 3 "" H 4700 5000 60 0000 C CNN 1 5200 4500 1 0 0 -1 $EndComp NoConn ~ 7600 4650 $Comp L ATECC508A-RESCUE-u2f-zero A1 U 1 1 56857313 P 7000 4700 F 0 "A1" H 7300 5000 60 0000 C CNN F 1 "ATECC508A" H 6900 5000 60 0000 C CNN F 2 "SMD_Packages:SOIC-8-N" H 6600 4950 60 0001 C CNN F 3 "" H 6600 4950 60 0000 C CNN 1 7000 4700 -1 0 0 1 $EndComp NoConn ~ 7600 4750 Text Label 4350 4450 2 60 ~ 0 GND NoConn ~ 7600 4850 NoConn ~ 6400 4750 NoConn ~ 6050 4400 NoConn ~ 6050 4250 Text Label 7850 5050 0 60 ~ 0 GND Text Label 6400 5150 0 60 ~ 0 +5V Text Label 6050 4700 0 60 ~ 0 GND $Comp L C C3 U 1 1 56857DEB P 5350 5600 F 0 "C3" H 5375 5700 50 0000 L CNN F 1 "0.1uF" H 5375 5500 50 0000 L CNN F 2 "Capacitors_SMD:C_0402" H 5388 5450 50 0001 C CNN F 3 "" H 5350 5600 50 0000 C CNN 1 5350 5600 0 -1 1 0 $EndComp $Comp L C C4 U 1 1 56857E44 P 5350 5950 F 0 "C4" H 5375 6050 50 0000 L CNN F 1 "4.7uF" H 5375 5850 50 0000 L CNN F 2 "Capacitors_SMD:C_0603" H 5388 5800 50 0001 C CNN F 3 "" H 5350 5950 50 0000 C CNN 1 5350 5950 0 1 1 0 $EndComp $Comp L C C1 U 1 1 56858041 P 4400 5600 F 0 "C1" H 4425 5700 50 0000 L CNN F 1 "0.1uF" H 4425 5500 50 0000 L CNN F 2 "Capacitors_SMD:C_0402" H 4438 5450 50 0001 C CNN F 3 "" H 4400 5600 50 0000 C CNN 1 4400 5600 0 1 1 0 $EndComp $Comp L C C2 U 1 1 5685809E P 4400 5950 F 0 "C2" H 4425 6050 50 0000 L CNN F 1 "4.7uF" H 4425 5850 50 0000 L CNN F 2 "Capacitors_SMD:C_0603" H 4438 5800 50 0001 C CNN F 3 "" H 4400 5950 50 0000 C CNN 1 4400 5950 0 1 1 0 $EndComp Text Label 4050 6100 3 60 ~ 0 GND Text Label 4750 5450 2 60 ~ 0 +3.3V Text Label 7350 3600 0 60 ~ 0 +5V NoConn ~ 4350 4150 NoConn ~ 4350 4300 $Comp L DF5A5.6JE Z1 U 1 1 56857EAF P 3700 5100 F 0 "Z1" H 3300 5150 60 0000 C CNN F 1 "DF5A5.6JE" H 3150 5250 60 0000 C CNN F 2 "TO_SOT_Packages_SMD:SOT-553" H 3700 5100 60 0001 C CNN F 3 "" H 3700 5100 60 0000 C CNN 1 3700 5100 1 0 0 -1 $EndComp Text Label 5900 5600 0 60 ~ 0 GND Text Label 4900 6150 0 60 ~ 0 +5V Text Label 3550 5650 0 60 ~ 0 +5V NoConn ~ 3850 5400 Text Label 3700 4800 0 60 ~ 0 GND Text Label 3500 4400 0 60 ~ 0 HD- Text Label 3900 4400 0 60 ~ 0 HD+ Text Label 4350 3400 2 60 ~ 0 GND $Comp L R R1 U 1 1 56857B9B P 7050 3450 F 0 "R1" V 7130 3450 50 0000 C CNN F 1 "100" V 7050 3450 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 6980 3450 50 0001 C CNN F 3 "" H 7050 3450 50 0000 C CNN 1 7050 3450 0 1 1 0 $EndComp NoConn ~ 5050 5300 NoConn ~ 5200 5300 NoConn ~ 5350 5300 Text Notes 2550 5250 0 60 ~ 0 Protect from ESD Text Notes 3450 4250 0 60 ~ 0 Host USB data Text Notes 6500 4350 0 60 ~ 0 Secure element for EC $Comp L CA_RGB-RESCUE-u2f-zero RGB1 U 1 1 5686DEFD P 6250 3250 F 0 "RGB1" H 6500 3400 60 0000 C CNN F 1 "CA_RGB" H 6150 3400 60 0000 C CNN F 2 "footprints:LED-0606" H 7050 3300 60 0001 C CNN F 3 "" H 6250 3300 60 0000 C CNN 1 6250 3250 1 0 0 -1 $EndComp $Comp L GND #PWR01 U 1 1 5686E5B0 P 6550 5850 F 0 "#PWR01" H 6550 5600 50 0001 C CNN F 1 "GND" H 6550 5700 50 0000 C CNN F 2 "" H 6550 5850 50 0000 C CNN F 3 "" H 6550 5850 50 0000 C CNN 1 6550 5850 1 0 0 -1 $EndComp $Comp L PWR_FLAG #FLG02 U 1 1 5686E60B P 6850 5850 F 0 "#FLG02" H 6850 5945 50 0001 C CNN F 1 "PWR_FLAG" H 6850 6030 50 0000 C CNN F 2 "" H 6850 5850 50 0000 C CNN F 3 "" H 6850 5850 50 0000 C CNN 1 6850 5850 -1 0 0 1 $EndComp Wire Wire Line 6050 4850 6300 4850 Wire Wire Line 6300 4850 6300 4650 Wire Wire Line 6300 4650 6400 4650 Wire Wire Line 6400 4550 6050 4550 Wire Wire Line 6400 4850 6400 5150 Wire Wire Line 7600 4550 7850 4550 Wire Wire Line 7850 4550 7850 5050 Wire Wire Line 7200 3450 7350 3450 Wire Wire Line 7350 3450 7350 3600 Wire Wire Line 4900 5300 4900 6150 Wire Wire Line 4900 5950 5200 5950 Wire Wire Line 4900 5600 5200 5600 Connection ~ 4900 5950 Wire Wire Line 5500 5950 5750 5950 Wire Wire Line 5750 5950 5750 5600 Connection ~ 5750 5600 Connection ~ 4900 5600 Wire Wire Line 4750 5300 4750 5950 Wire Wire Line 4750 5600 4550 5600 Connection ~ 4750 5600 Wire Wire Line 4050 5600 4250 5600 Wire Wire Line 4750 5950 4550 5950 Wire Wire Line 4050 5600 4050 6100 Wire Wire Line 4050 5950 4250 5950 Connection ~ 4050 5950 Wire Wire Line 3550 5400 3550 5650 Wire Wire Line 5500 5600 5900 5600 Wire Wire Line 5100 3400 5100 3700 Wire Wire Line 4500 3400 4350 3400 Wire Wire Line 6900 3450 6750 3450 Wire Wire Line 5550 3700 5550 3600 Wire Wire Line 5550 3600 5800 3600 Wire Wire Line 5800 3450 5400 3450 Wire Wire Line 5400 3450 5400 3700 Wire Wire Line 5250 3700 5250 3300 Wire Wire Line 5250 3300 5800 3300 Wire Wire Line 6850 5850 6850 5650 Wire Wire Line 6550 5650 6550 5850 Text Label 6850 5650 0 60 ~ 0 +5V Text Label 6550 5650 0 60 ~ 0 GND $Comp L SW_PUSH SW1 U 1 1 5685E9F9 P 4800 3400 F 0 "SW1" H 4950 3510 50 0000 C CNN F 1 "SW_PUSH" H 4800 3320 50 0000 C CNN F 2 "Buttons_Switches_ThroughHole:SW_PUSH_SMALL" H 4800 3400 50 0001 C CNN F 3 "" H 4800 3400 50 0000 C CNN 1 4800 3400 1 0 0 -1 $EndComp Wire Wire Line 4950 3700 4950 3650 Wire Wire Line 4950 3650 5100 3650 Connection ~ 5100 3650 Wire Wire Line 4350 4750 3500 4750 Wire Wire Line 3500 4400 3500 4800 Wire Wire Line 3900 4800 3900 4400 Connection ~ 3500 4750 Wire Wire Line 4350 4600 3900 4600 Connection ~ 3900 4600 $EndSCHEMATC