EESchema Schematic File Version 4
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 3
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Interface_USB:MCP2200-I-SS U1
U 1 1 5CD6F647
P 5300 3250
F 0 "U1" H 4750 2450 50  0000 C CNN
F 1 "MCP2200-I-SS" H 5750 2450 50  0000 C CNN
F 2 "Package_SO:SSOP-20_5.3x7.2mm_P0.65mm" H 5300 2100 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/200022228D.pdf" H 5300 2250 50  0001 C CNN
	1    5300 3250
	1    0    0    -1  
$EndComp
$Comp
L Connector:USB_B_Micro J1
U 1 1 5CDADDC1
P 1600 5050
F 0 "J1" H 1657 5517 50  0000 C CNN
F 1 "USB_B_Micro" H 1657 5426 50  0000 C CNN
F 2 "Connector_USB:USB_Micro-B_Wuerth_629105150521" H 1750 5000 50  0001 C CNN
F 3 "~" H 1750 5000 50  0001 C CNN
	1    1600 5050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR03
U 1 1 5CDB60D8
P 1600 5600
F 0 "#PWR03" H 1600 5350 50  0001 C CNN
F 1 "GND" H 1605 5427 50  0000 C CNN
F 2 "" H 1600 5600 50  0001 C CNN
F 3 "" H 1600 5600 50  0001 C CNN
	1    1600 5600
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR04
U 1 1 5CDB6C47
P 2000 4750
F 0 "#PWR04" H 2000 4600 50  0001 C CNN
F 1 "+5V" H 2015 4923 50  0000 C CNN
F 2 "" H 2000 4750 50  0001 C CNN
F 3 "" H 2000 4750 50  0001 C CNN
	1    2000 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 4850 2000 4850
Wire Wire Line
	2000 4850 2000 4750
$Comp
L Graphic:Logo_Open_Hardware_Small #LOGO1
U 1 1 5CDBB61D
P 6350 7300
F 0 "#LOGO1" H 6350 7575 50  0001 C CNN
F 1 "Logo_Open_Hardware_Small" H 6350 7075 50  0001 C CNN
F 2 "" H 6350 7300 50  0001 C CNN
F 3 "~" H 6350 7300 50  0001 C CNN
	1    6350 7300
	1    0    0    -1  
$EndComp
NoConn ~ 1900 5250
$Comp
L power:+5V #PWR011
U 1 1 5CDC1AE1
P 5200 2200
F 0 "#PWR011" H 5200 2050 50  0001 C CNN
F 1 "+5V" H 5215 2373 50  0000 C CNN
F 2 "" H 5200 2200 50  0001 C CNN
F 3 "" H 5200 2200 50  0001 C CNN
	1    5200 2200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 5CDC291A
P 1000 5150
F 0 "#PWR02" H 1000 4900 50  0001 C CNN
F 1 "GND" H 1005 4977 50  0000 C CNN
F 2 "" H 1000 5150 50  0001 C CNN
F 3 "" H 1000 5150 50  0001 C CNN
	1    1000 5150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5CDC370A
P 1000 5000
F 0 "C1" H 1115 5046 50  0000 L CNN
F 1 "470n" H 1115 4955 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1038 4850 50  0001 C CNN
F 3 "~" H 1000 5000 50  0001 C CNN
	1    1000 5000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR014
U 1 1 5CDC4301
P 5950 2200
F 0 "#PWR014" H 5950 1950 50  0001 C CNN
F 1 "GND" H 5955 2027 50  0000 C CNN
F 2 "" H 5950 2200 50  0001 C CNN
F 3 "" H 5950 2200 50  0001 C CNN
	1    5950 2200
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 5CDC4E93
P 5700 2100
F 0 "C2" V 5448 2100 50  0000 C CNN
F 1 "330n" V 5539 2100 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 5738 1950 50  0001 C CNN
F 3 "~" H 5700 2100 50  0001 C CNN
	1    5700 2100
	0    1    1    0   
$EndComp
Wire Wire Line
	5400 2450 5400 2100
Wire Wire Line
	5400 2100 5550 2100
Wire Wire Line
	5850 2100 5950 2100
Wire Wire Line
	5950 2100 5950 2200
$Comp
L power:GND #PWR012
U 1 1 5CDC7721
P 5300 4050
F 0 "#PWR012" H 5300 3800 50  0001 C CNN
F 1 "GND" H 5305 3877 50  0000 C CNN
F 2 "" H 5300 4050 50  0001 C CNN
F 3 "" H 5300 4050 50  0001 C CNN
	1    5300 4050
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal Y1
U 1 1 5CDC854E
P 6700 3900
F 0 "Y1" V 6654 4031 50  0000 L CNN
F 1 "Crystal" V 6745 4031 50  0000 L CNN
F 2 "Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm" H 6700 3900 50  0001 C CNN
F 3 "~" H 6700 3900 50  0001 C CNN
	1    6700 3900
	0    1    1    0   
$EndComp
$Comp
L Device:C C3
U 1 1 5CDC9A5D
P 7250 3650
F 0 "C3" V 6998 3650 50  0000 C CNN
F 1 "4p7" V 7089 3650 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7288 3500 50  0001 C CNN
F 3 "~" H 7250 3650 50  0001 C CNN
	1    7250 3650
	0    1    1    0   
$EndComp
$Comp
L Device:C C4
U 1 1 5CDCB405
P 7250 4150
F 0 "C4" V 6998 4150 50  0000 C CNN
F 1 "4p7" V 7089 4150 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7288 4000 50  0001 C CNN
F 3 "~" H 7250 4150 50  0001 C CNN
	1    7250 4150
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR015
U 1 1 5CDCBA4F
P 7500 4250
F 0 "#PWR015" H 7500 4000 50  0001 C CNN
F 1 "GND" H 7505 4077 50  0000 C CNN
F 2 "" H 7500 4250 50  0001 C CNN
F 3 "" H 7500 4250 50  0001 C CNN
	1    7500 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	7400 3650 7500 3650
Wire Wire Line
	7500 3650 7500 4150
Wire Wire Line
	7400 4150 7500 4150
Connection ~ 7500 4150
Wire Wire Line
	7500 4150 7500 4250
Wire Wire Line
	7100 4150 6700 4150
Wire Wire Line
	6700 4150 6700 4050
Wire Wire Line
	6700 3750 6700 3650
Wire Wire Line
	6700 3650 7100 3650
Wire Wire Line
	6200 3650 6700 3650
Connection ~ 6700 3650
Wire Wire Line
	6200 3850 6200 4150
Wire Wire Line
	6200 4150 6700 4150
Connection ~ 6700 4150
$Comp
L power:+5V #PWR09
U 1 1 5CDD1D1E
P 4350 2450
F 0 "#PWR09" H 4350 2300 50  0001 C CNN
F 1 "+5V" H 4365 2623 50  0000 C CNN
F 2 "" H 4350 2450 50  0001 C CNN
F 3 "" H 4350 2450 50  0001 C CNN
	1    4350 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	4350 2450 4350 2650
Wire Wire Line
	4350 2650 4400 2650
$Comp
L power:+5V #PWR01
U 1 1 5CDD93C1
P 1000 4850
F 0 "#PWR01" H 1000 4700 50  0001 C CNN
F 1 "+5V" H 1015 5023 50  0000 C CNN
F 2 "" H 1000 4850 50  0001 C CNN
F 3 "" H 1000 4850 50  0001 C CNN
	1    1000 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 2200 5200 2450
$Sheet
S 2200 2650 850  300 
U 5CE12B9C
F0 "level_shifter 1" 50
F1 "level_shifter.sch" 50
F2 "LV1" B L 2200 2750 50 
F3 "LV2" B L 2200 2850 50 
F4 "HV2" B R 3050 2850 50 
F5 "HV1" B R 3050 2750 50 
$EndSheet
$Sheet
S 2200 3200 850  300 
U 5CE21290
F0 "level_shifter 2" 50
F1 "level_shifter.sch" 50
F2 "LV1" B L 2200 3300 50 
F3 "LV2" B L 2200 3400 50 
F4 "HV2" B R 3050 3400 50 
F5 "HV1" B R 3050 3300 50 
$EndSheet
Text Label 2100 2750 2    50   ~ 0
RX
Text Label 2100 2850 2    50   ~ 0
TX
Text Label 2100 3300 2    50   ~ 0
RTS
Text Label 2100 3400 2    50   ~ 0
CTS
Wire Wire Line
	2100 3300 2200 3300
Wire Wire Line
	2100 3400 2200 3400
Wire Wire Line
	2100 2750 2200 2750
Wire Wire Line
	2100 2850 2200 2850
Text Label 3200 4950 2    50   ~ 0
RX
Text Label 3200 5050 2    50   ~ 0
TX
$Comp
L Connector_Generic:Conn_01x04 J2
U 1 1 5CE3097F
P 3400 4950
F 0 "J2" H 3480 4942 50  0000 L CNN
F 1 "Conn_01x04" H 3480 4851 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal" H 3400 4950 50  0001 C CNN
F 3 "~" H 3400 4950 50  0001 C CNN
	1    3400 4950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR06
U 1 1 5CE31433
P 3150 5200
F 0 "#PWR06" H 3150 4950 50  0001 C CNN
F 1 "GND" H 3155 5027 50  0000 C CNN
F 2 "" H 3150 5200 50  0001 C CNN
F 3 "" H 3150 5200 50  0001 C CNN
	1    3150 5200
	1    0    0    -1  
$EndComp
$Comp
L power:VPP #PWR05
U 1 1 5CE31BEA
P 3150 4800
F 0 "#PWR05" H 3150 4650 50  0001 C CNN
F 1 "VPP" H 3165 4973 50  0000 C CNN
F 2 "" H 3150 4800 50  0001 C CNN
F 3 "" H 3150 4800 50  0001 C CNN
	1    3150 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3150 4800 3150 4850
Wire Wire Line
	3150 4850 3200 4850
Wire Wire Line
	3150 5200 3150 5150
Wire Wire Line
	3150 5150 3200 5150
$Comp
L Connector_Generic:Conn_01x02 J3
U 1 1 5CE365FF
P 3400 5650
F 0 "J3" H 3480 5642 50  0000 L CNN
F 1 "Conn_01x02" H 3480 5551 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Horizontal" H 3400 5650 50  0001 C CNN
F 3 "~" H 3400 5650 50  0001 C CNN
	1    3400 5650
	1    0    0    -1  
$EndComp
Text Label 3200 5750 2    50   ~ 0
CTS
Text Label 3200 5650 2    50   ~ 0
RTS
$Comp
L Connector_Generic:Conn_01x06 J4
U 1 1 5CE3E385
P 3400 6350
F 0 "J4" H 3480 6342 50  0000 L CNN
F 1 "Conn_01x06" H 3480 6251 50  0000 L CNN
F 2 "Connector_PinHeader_1.27mm:PinHeader_1x06_P1.27mm_Vertical" H 3400 6350 50  0001 C CNN
F 3 "~" H 3400 6350 50  0001 C CNN
	1    3400 6350
	1    0    0    -1  
$EndComp
Text Label 3200 6150 2    50   ~ 0
GP0
Text Label 3200 6250 2    50   ~ 0
GP1
Text Label 3200 6350 2    50   ~ 0
GP2
Text Label 3200 6450 2    50   ~ 0
GP3
Text Label 3200 6550 2    50   ~ 0
GP4
Text Label 3200 6650 2    50   ~ 0
GP5
Text Label 3150 2750 0    50   ~ 0
RX_5
Text Label 3150 2850 0    50   ~ 0
TX_5
Text Label 3150 3300 0    50   ~ 0
RTS_5
Text Label 3150 3400 0    50   ~ 0
CTS_5
Wire Wire Line
	3050 3400 3150 3400
Wire Wire Line
	3050 3300 3150 3300
Wire Wire Line
	3050 2750 3150 2750
Wire Wire Line
	3050 2850 3150 2850
Text Label 6300 2650 0    50   ~ 0
USB_D+
Text Label 6300 2850 0    50   ~ 0
USB_D-
Wire Wire Line
	6200 2850 6300 2850
Wire Wire Line
	6200 2650 6300 2650
Text Label 4300 2750 2    50   ~ 0
RX_5
Text Label 4300 2850 2    50   ~ 0
TX_5
Text Label 4300 2950 2    50   ~ 0
RTS_5
Text Label 4300 3050 2    50   ~ 0
CTS_5
Text Label 4300 3750 2    50   ~ 0
LED_RX
Text Label 4300 3850 2    50   ~ 0
LED_TX
Wire Wire Line
	4300 3850 4400 3850
Wire Wire Line
	4300 3750 4400 3750
Wire Wire Line
	4300 3050 4400 3050
Wire Wire Line
	4300 2950 4400 2950
Wire Wire Line
	4300 2850 4400 2850
Wire Wire Line
	4300 2750 4400 2750
Text Label 2000 5050 0    50   ~ 0
USB_D+
Text Label 2000 5150 0    50   ~ 0
USB_D-
Wire Wire Line
	1900 5150 2000 5150
Wire Wire Line
	1900 5050 2000 5050
Text Label 4300 3150 2    50   ~ 0
GP0
Text Label 4300 3250 2    50   ~ 0
GP1
Text Label 4300 3350 2    50   ~ 0
GP2
Text Label 4300 3450 2    50   ~ 0
GP3
Text Label 4300 3550 2    50   ~ 0
GP4
Text Label 4300 3650 2    50   ~ 0
GP5
Wire Wire Line
	4300 3650 4400 3650
Wire Wire Line
	4300 3550 4400 3550
Wire Wire Line
	4300 3450 4400 3450
Wire Wire Line
	4300 3350 4400 3350
Wire Wire Line
	4300 3250 4400 3250
Wire Wire Line
	4300 3150 4400 3150
$Comp
L Device:R R2
U 1 1 5CE4F01B
P 5050 5300
F 0 "R2" H 5120 5346 50  0000 L CNN
F 1 "1k5" H 5120 5255 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 4980 5300 50  0001 C CNN
F 3 "~" H 5050 5300 50  0001 C CNN
	1    5050 5300
	1    0    0    -1  
$EndComp
$Comp
L Device:LED D1
U 1 1 5CE4F78F
P 5050 5600
F 0 "D1" V 5089 5483 50  0000 R CNN
F 1 "LED" V 4998 5483 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric" H 5050 5600 50  0001 C CNN
F 3 "~" H 5050 5600 50  0001 C CNN
	1    5050 5600
	0    -1   -1   0   
$EndComp
Text Label 5050 5050 2    50   ~ 0
LED_RX
$Comp
L power:GND #PWR010
U 1 1 5CE4FFB5
P 5050 5900
F 0 "#PWR010" H 5050 5650 50  0001 C CNN
F 1 "GND" H 5055 5727 50  0000 C CNN
F 2 "" H 5050 5900 50  0001 C CNN
F 3 "" H 5050 5900 50  0001 C CNN
	1    5050 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5050 5900 5050 5750
Wire Wire Line
	5050 5150 5050 5050
$Comp
L Device:R R3
U 1 1 5CE54802
P 5650 5300
F 0 "R3" H 5720 5346 50  0000 L CNN
F 1 "1k5" H 5720 5255 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 5580 5300 50  0001 C CNN
F 3 "~" H 5650 5300 50  0001 C CNN
	1    5650 5300
	1    0    0    -1  
$EndComp
$Comp
L Device:LED D2
U 1 1 5CE54808
P 5650 5600
F 0 "D2" V 5689 5483 50  0000 R CNN
F 1 "LED" V 5598 5483 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric" H 5650 5600 50  0001 C CNN
F 3 "~" H 5650 5600 50  0001 C CNN
	1    5650 5600
	0    -1   -1   0   
$EndComp
Text Label 5650 5050 2    50   ~ 0
LED_TX
$Comp
L power:GND #PWR013
U 1 1 5CE5480F
P 5650 5900
F 0 "#PWR013" H 5650 5650 50  0001 C CNN
F 1 "GND" H 5655 5727 50  0000 C CNN
F 2 "" H 5650 5900 50  0001 C CNN
F 3 "" H 5650 5900 50  0001 C CNN
	1    5650 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 5900 5650 5750
Wire Wire Line
	5650 5150 5650 5050
Wire Wire Line
	1600 5450 1600 5500
Wire Wire Line
	1500 5450 1500 5500
Wire Wire Line
	1500 5500 1600 5500
Connection ~ 1600 5500
Wire Wire Line
	1600 5500 1600 5600
$Comp
L Device:R R1
U 1 1 5CE5CC7E
P 4150 5000
F 0 "R1" H 4220 5046 50  0000 L CNN
F 1 "10M" H 4220 4955 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 4080 5000 50  0001 C CNN
F 3 "~" H 4150 5000 50  0001 C CNN
	1    4150 5000
	1    0    0    -1  
$EndComp
$Comp
L power:VPP #PWR07
U 1 1 5CE5DA22
P 4150 4850
F 0 "#PWR07" H 4150 4700 50  0001 C CNN
F 1 "VPP" H 4165 5023 50  0000 C CNN
F 2 "" H 4150 4850 50  0001 C CNN
F 3 "" H 4150 4850 50  0001 C CNN
	1    4150 4850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 5CE5DF24
P 4150 5150
F 0 "#PWR08" H 4150 4900 50  0001 C CNN
F 1 "GND" H 4155 4977 50  0000 C CNN
F 2 "" H 4150 5150 50  0001 C CNN
F 3 "" H 4150 5150 50  0001 C CNN
	1    4150 5150
	1    0    0    -1  
$EndComp
$EndSCHEMATC