EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 5
Title "Aquatic Robotic Courier - Boat 0"
Date "2020-10-01"
Rev "1"
Comp "ePenguin"
Comment1 "Author: Penguin"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L power:GND #PWR0101
U 1 1 5F78448A
P 8350 5850
F 0 "#PWR0101" H 8350 5600 50  0001 C CNN
F 1 "GND" H 8355 5677 50  0000 C CNN
F 2 "" H 8350 5850 50  0001 C CNN
F 3 "" H 8350 5850 50  0001 C CNN
	1    8350 5850
	1    0    0    -1  
$EndComp
Wire Wire Line
	8350 5750 8400 5750
Connection ~ 8350 5750
Wire Wire Line
	8350 5750 8350 5850
Wire Wire Line
	8400 5750 8400 5650
Wire Wire Line
	8300 5750 8350 5750
Wire Wire Line
	8300 5650 8300 5750
Wire Wire Line
	8400 4450 8400 4300
$Comp
L Connector:Conn_ARM_JTAG_SWD_10 J1
U 1 1 5F78449D
P 8400 5050
F 0 "J1" H 7957 5096 50  0000 R CNN
F 1 "ARM_SWD_10_Pin" H 7957 5005 50  0000 R CNN
F 2 "digikey-footprints:PinHeader_2x5_P1.27mm_Drill.7mm" H 8400 5050 50  0001 C CNN
F 3 "http://infocenter.arm.com/help/topic/com.arm.doc.ddi0314h/DDI0314H_coresight_components_trm.pdf" V 8050 3800 50  0001 C CNN
	1    8400 5050
	1    0    0    -1  
$EndComp
Text HLabel 800  650  0    50   Input ~ 0
VCC
Wire Wire Line
	800  650  1300 650 
Text Label 1300 650  0    50   ~ 0
VCC
Text HLabel 850  800  0    50   Input ~ 0
USB_DP
Text HLabel 850  950  0    50   Input ~ 0
USB_DM
Wire Wire Line
	850  800  1300 800 
Text Label 1300 800  0    50   ~ 0
USB_DP
Wire Wire Line
	850  950  1300 950 
Text Label 1300 950  0    50   ~ 0
USB_DM
Text Label 5450 2150 2    50   ~ 0
XIN32
Wire Wire Line
	5450 2150 5600 2150
Text Label 5450 2250 2    50   ~ 0
XOUT32
Wire Wire Line
	5450 2250 5600 2250
Text Label 10050 1000 0    50   ~ 0
XIN32
Text Label 10050 1600 0    50   ~ 0
XOUT32
Wire Wire Line
	9950 1600 9600 1600
Wire Wire Line
	9950 1000 9600 1000
$Comp
L Device:C_Small C8
U 1 1 5FA87EA0
P 9500 1000
F 0 "C8" V 9271 1000 50  0000 C CNN
F 1 "6.8pF" V 9362 1000 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9500 1000 50  0001 C CNN
F 3 "~" H 9500 1000 50  0001 C CNN
	1    9500 1000
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C9
U 1 1 5FA883BC
P 9500 1600
F 0 "C9" V 9700 1600 50  0000 C CNN
F 1 "6.8pF" V 9600 1600 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9500 1600 50  0001 C CNN
F 3 "~" H 9500 1600 50  0001 C CNN
	1    9500 1600
	0    1    -1   0   
$EndComp
Wire Wire Line
	9950 1000 9950 1200
Wire Wire Line
	9950 1400 9950 1600
Wire Wire Line
	9950 1000 10050 1000
Connection ~ 9950 1000
Wire Wire Line
	9950 1600 10050 1600
Connection ~ 9950 1600
Wire Wire Line
	9400 1000 9300 1000
Wire Wire Line
	9400 1600 9300 1600
Wire Wire Line
	9300 1000 9300 1300
Wire Wire Line
	9300 1300 9850 1300
Connection ~ 9300 1300
Wire Wire Line
	9300 1300 9300 1600
Wire Wire Line
	9300 1300 9150 1300
Wire Wire Line
	9150 1300 9150 1600
$Comp
L power:GND #PWR0102
U 1 1 5FA932B4
P 9150 1600
F 0 "#PWR0102" H 9150 1350 50  0001 C CNN
F 1 "GND" H 9155 1427 50  0000 C CNN
F 2 "" H 9150 1600 50  0001 C CNN
F 3 "" H 9150 1600 50  0001 C CNN
	1    9150 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	1450 650  2000 650 
Text Label 2000 650  0    50   ~ 0
VCC_MCU_P3V3
Text Label 2500 6450 0    50   ~ 0
VCC_MCU_P3V3
Wire Wire Line
	2500 6450 2500 6550
$Comp
L Device:C_Small C4
U 1 1 5FAAA77C
P 2500 6650
F 0 "C4" H 2592 6696 50  0000 L CNN
F 1 "100nF" H 2592 6605 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2500 6650 50  0001 C CNN
F 3 "~" H 2500 6650 50  0001 C CNN
	1    2500 6650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2500 6750 2500 6850
$Comp
L power:GND #PWR0108
U 1 1 5FAADB6A
P 2500 6850
F 0 "#PWR0108" H 2500 6600 50  0001 C CNN
F 1 "GND" H 2505 6677 50  0000 C CNN
F 2 "" H 2500 6850 50  0001 C CNN
F 3 "" H 2500 6850 50  0001 C CNN
	1    2500 6850
	1    0    0    -1  
$EndComp
Wire Notes Line
	2150 6300 2150 7350
Wire Notes Line
	2150 7350 3200 7350
Wire Notes Line
	3200 7350 3200 6300
Wire Notes Line
	3200 6300 2150 6300
Text Notes 2400 6250 0    50   ~ 0
Close to VDDIN
Text Label 3600 6450 0    50   ~ 0
VCC_MCU_CORE
$Comp
L Device:C_Small C5
U 1 1 5FAB11D8
P 3600 6750
F 0 "C5" H 3692 6796 50  0000 L CNN
F 1 "100nF" H 3692 6705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3600 6750 50  0001 C CNN
F 3 "~" H 3600 6750 50  0001 C CNN
	1    3600 6750
	1    0    0    -1  
$EndComp
Wire Wire Line
	3600 6450 3600 6650
Wire Wire Line
	3600 6850 3600 7000
$Comp
L power:GND #PWR0116
U 1 1 5FAB404A
P 3600 7000
F 0 "#PWR0116" H 3600 6750 50  0001 C CNN
F 1 "GND" H 3605 6827 50  0000 C CNN
F 2 "" H 3600 7000 50  0001 C CNN
F 3 "" H 3600 7000 50  0001 C CNN
	1    3600 7000
	1    0    0    -1  
$EndComp
Text Notes 3500 6250 0    50   ~ 0
Close to VDDCORE
Wire Notes Line
	3300 6300 3300 7350
Wire Notes Line
	3300 7350 4300 7350
Wire Notes Line
	4300 7350 4300 6300
Wire Notes Line
	4300 6300 3300 6300
Text Label 6200 6450 0    50   ~ 0
VCC_MCU_VDDANA
Text Label 4950 6450 2    50   ~ 0
VCC_MCU_P3V3
$Comp
L dk_Ferrite-Beads-and-Chips:BLM18PG471SN1D FB1
U 1 1 5FABE81D
P 5300 6800
F 0 "FB1" H 5150 6550 60  0000 C CNN
F 1 "BLM18PG471SN1D" H 5150 6650 60  0000 C CNN
F 2 "digikey-footprints:0603" H 5500 7000 60  0001 L CNN
F 3 "https://www.murata.com/en-us/products/productdata/8796738650142/ENFA0003.pdf" H 5500 7100 60  0001 L CNN
F 4 "490-5223-1-ND" H 5500 7200 60  0001 L CNN "Digi-Key_PN"
F 5 "BLM18PG471SN1D" H 5500 7300 60  0001 L CNN "MPN"
F 6 "Filters" H 5500 7400 60  0001 L CNN "Category"
F 7 "Ferrite Beads and Chips" H 5500 7500 60  0001 L CNN "Family"
F 8 "https://www.murata.com/en-us/products/productdata/8796738650142/ENFA0003.pdf" H 5500 7600 60  0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/murata-electronics-north-america/BLM18PG471SN1D/490-5223-1-ND/1948399" H 5500 7700 60  0001 L CNN "DK_Detail_Page"
F 10 "FERRITE BEAD 470 OHM 0603 1LN" H 5500 7800 60  0001 L CNN "Description"
F 11 "Murata Electronics North America" H 5500 7900 60  0001 L CNN "Manufacturer"
F 12 "Active" H 5500 8000 60  0001 L CNN "Status"
	1    5300 6800
	-1   0    0    1   
$EndComp
Wire Wire Line
	4950 6450 4950 6800
Wire Wire Line
	4950 6800 5100 6800
Wire Wire Line
	5500 6800 5650 6800
$Comp
L Device:C_Small C6
U 1 1 5FAC417F
P 5650 6900
F 0 "C6" H 5742 6946 50  0000 L CNN
F 1 "10uF/16V" H 5742 6855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5650 6900 50  0001 C CNN
F 3 "~" H 5650 6900 50  0001 C CNN
	1    5650 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 6800 6200 6800
Connection ~ 5650 6800
$Comp
L Device:C_Small C7
U 1 1 5FAC5191
P 6200 6900
F 0 "C7" H 6292 6946 50  0000 L CNN
F 1 "100nF" H 6292 6855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6200 6900 50  0001 C CNN
F 3 "~" H 6200 6900 50  0001 C CNN
	1    6200 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 7000 5650 7050
Wire Wire Line
	5650 7050 5950 7050
Wire Wire Line
	6200 7050 6200 7000
Wire Wire Line
	5950 7050 5950 7100
Connection ~ 5950 7050
Wire Wire Line
	5950 7050 6200 7050
$Comp
L power:GND #PWR0117
U 1 1 5FAC71A0
P 5950 7100
F 0 "#PWR0117" H 5950 6850 50  0001 C CNN
F 1 "GND" H 5955 6927 50  0000 C CNN
F 2 "" H 5950 7100 50  0001 C CNN
F 3 "" H 5950 7100 50  0001 C CNN
	1    5950 7100
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 6800 6200 6450
Connection ~ 6200 6800
Wire Notes Line
	4350 6300 4350 7350
Wire Notes Line
	4350 7350 6900 7350
Wire Notes Line
	6900 7350 6900 6300
Wire Notes Line
	6900 6300 4350 6300
Text Notes 5250 6250 0    50   ~ 0
Close to VDDANA/GNDANA
Text Label 6300 1575 2    50   ~ 0
VCC_MCU_P3V3
Wire Wire Line
	6600 1550 6600 1850
Text Label 6000 1750 2    50   ~ 0
VCC_MCU_CORE
Wire Wire Line
	6000 1750 6000 1850
Wire Wire Line
	6300 5650 6300 5750
$Comp
L power:GND #PWR0118
U 1 1 5FAE366C
P 6300 5750
F 0 "#PWR0118" H 6300 5500 50  0001 C CNN
F 1 "GND" H 6305 5577 50  0000 C CNN
F 2 "" H 6300 5750 50  0001 C CNN
F 3 "" H 6300 5750 50  0001 C CNN
	1    6300 5750
	1    0    0    -1  
$EndComp
Wire Wire Line
	8900 4750 9000 4750
Text Label 9600 4750 0    50   ~ 0
~MCU_RST
Wire Wire Line
	9300 4750 9600 4750
Connection ~ 9300 4750
Text Label 8400 4250 0    50   ~ 0
VCC
$Comp
L Device:R_Small R7
U 1 1 5FAF8D53
P 9550 4300
F 0 "R7" V 9354 4300 50  0000 C CNN
F 1 "39R" V 9445 4300 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9550 4300 50  0001 C CNN
F 3 "~" H 9550 4300 50  0001 C CNN
	1    9550 4300
	0    1    1    0   
$EndComp
Wire Wire Line
	10200 4400 9900 4400
Wire Wire Line
	9900 4400 9900 4300
Wire Wire Line
	9900 4300 9650 4300
Wire Wire Line
	10600 4400 10700 4400
Wire Wire Line
	10700 4400 10700 4500
$Comp
L power:GND #PWR0119
U 1 1 5FB13C9F
P 10700 4500
F 0 "#PWR0119" H 10700 4250 50  0001 C CNN
F 1 "GND" H 10705 4327 50  0000 C CNN
F 2 "" H 10700 4500 50  0001 C CNN
F 3 "" H 10700 4500 50  0001 C CNN
	1    10700 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 4300 9300 4300
Wire Wire Line
	9300 4300 9300 4750
Wire Wire Line
	9300 4300 9150 4300
Connection ~ 9300 4300
$Comp
L Device:R_Small R6
U 1 1 5FB178A0
P 9050 4300
F 0 "R6" V 8854 4300 50  0000 C CNN
F 1 "100k" V 8945 4300 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9050 4300 50  0001 C CNN
F 3 "~" H 9050 4300 50  0001 C CNN
	1    9050 4300
	0    1    1    0   
$EndComp
Wire Wire Line
	8950 4300 8400 4300
Connection ~ 8400 4300
Wire Wire Line
	8400 4300 8400 4250
Wire Wire Line
	5600 5250 5400 5250
Text Label 5400 5250 2    50   ~ 0
SWDIO
Wire Wire Line
	5600 5150 5400 5150
Text Label 5400 5150 2    50   ~ 0
SWCLK
Text Label 9100 4950 0    50   ~ 0
SWCLK
Wire Wire Line
	8900 4950 9100 4950
NoConn ~ 8900 5250
Text Label 9100 5050 0    50   ~ 0
SWDIO
Wire Wire Line
	8900 5050 9100 5050
Wire Wire Line
	9000 4750 9000 4550
Connection ~ 9000 4750
Wire Wire Line
	9000 4750 9300 4750
Text Label 8900 4500 0    50   ~ 0
~SYS_RST
Wire Wire Line
	9000 4550 8900 4550
Wire Wire Line
	8900 4550 8900 4500
NoConn ~ 8900 5150
Wire Notes Line
	6850 2500 6850 2900
Text Notes 6550 2750 2    50   ~ 0
SERCOM_0\nSPI_0
Text HLabel 1000 1250 0    50   Input ~ 0
SPI_0_MOSI
Text HLabel 1000 1400 0    50   Input ~ 0
SPI_0_MISO
Text HLabel 1000 1550 0    50   Input ~ 0
SPI_0_SS_0
Text HLabel 1000 1700 0    50   Input ~ 0
SPI_0_SCK
Text Label 1300 1250 0    50   ~ 0
SPI_0_MOSI
Text Label 1300 1400 0    50   ~ 0
SPI_0_MISO
Text Label 1300 1550 0    50   ~ 0
SPI_0_SS_0
Text Label 1300 1700 0    50   ~ 0
SPI_0_SCK
Wire Wire Line
	1000 1250 1300 1250
Wire Wire Line
	1000 1400 1300 1400
Wire Wire Line
	1000 1550 1300 1550
Wire Wire Line
	1000 1700 1300 1700
Text Label 5250 4650 2    50   ~ 0
USB_DP
Text Label 5250 4550 2    50   ~ 0
USB_DM
Wire Wire Line
	5250 4550 5600 4550
Wire Wire Line
	5250 4650 5600 4650
Text Label 5200 2750 2    50   ~ 0
SPI_0_MOSI
Text Label 5200 2550 2    50   ~ 0
SPI_0_MISO
Text Label 5200 2650 2    50   ~ 0
SPI_0_SS_0
Text Label 5200 2850 2    50   ~ 0
SPI_0_SCK
Wire Wire Line
	5200 2550 5600 2550
Wire Wire Line
	5200 2650 5600 2650
Wire Wire Line
	5200 2750 5600 2750
Wire Wire Line
	5200 2850 5600 2850
Wire Notes Line
	4700 2900 4700 2450
Wire Notes Line
	4700 2450 5250 2450
Wire Notes Line
	5250 2450 5250 2500
Wire Notes Line
	5250 2500 6850 2500
Wire Wire Line
	5600 4350 5250 4350
Text HLabel 1050 1900 0    50   Input ~ 0
USART_0_TX
Text HLabel 1050 2000 0    50   Input ~ 0
USART_0_RX
Text Label 1300 1900 0    50   ~ 0
USART_0_TX
Wire Wire Line
	1300 1900 1050 1900
Text Label 1300 2000 0    50   ~ 0
USART_0_RX
Wire Wire Line
	1300 2000 1050 2000
Text Label 5250 4350 2    50   ~ 0
USART_0_TX
Text Label 4350 4400 2    50   ~ 0
USART_0_RX
Text HLabel 1050 2650 0    50   Input ~ 0
ADC_0
Wire Wire Line
	1050 2650 1300 2650
Text Label 1300 2650 0    50   ~ 0
ADC_0
Text Label 5400 3150 2    50   ~ 0
ADC_0
Text HLabel 1100 3000 0    50   Input ~ 0
EXT_INT_0
Wire Wire Line
	1100 3000 1300 3000
Text Label 1300 3000 0    50   ~ 0
EXT_INT_0
Wire Wire Line
	5400 3150 5600 3150
Wire Wire Line
	5400 3550 5600 3550
Text HLabel 1050 2750 0    50   Input ~ 0
ADC_1
Text Label 1300 2750 0    50   ~ 0
ADC_1
Wire Wire Line
	1300 2750 1050 2750
Text Label 5350 5450 2    50   ~ 0
~MCU_RST
Wire Wire Line
	5350 5450 5600 5450
Wire Wire Line
	5600 3750 5400 3750
Text Label 5400 3750 2    50   ~ 0
TCC2\WO0
Text HLabel 1050 2150 0    50   Input ~ 0
TCC2\WO0
Wire Wire Line
	1050 2150 1300 2150
Text Label 5400 3850 2    50   ~ 0
TCC0\WO7
Wire Wire Line
	5400 3850 5600 3850
Text Label 5400 3950 2    50   ~ 0
TCC0\WO2
Wire Wire Line
	5400 3950 5600 3950
Text Label 1300 2150 0    50   ~ 0
TCC2\WO0
Text HLabel 1050 2250 0    50   Input ~ 0
TCC0\WO7
Text HLabel 1050 2350 0    50   Input ~ 0
TCC0\WO2
Text Label 1300 2350 0    50   ~ 0
TCC0\WO2
Wire Wire Line
	1300 2350 1050 2350
Text Label 1300 2250 0    50   ~ 0
TCC0\WO7
Wire Wire Line
	1300 2250 1050 2250
Text Label 5400 3250 2    50   ~ 0
ADC_1
Wire Wire Line
	5400 3250 5600 3250
Text Label 1275 4225 0    50   ~ 0
~SYS_RST
Text HLabel 1025 4225 0    50   Input ~ 0
~SYS_RESET
Wire Wire Line
	1025 4225 1275 4225
Wire Wire Line
	5600 4850 5250 4850
Text Label 5250 4850 2    50   ~ 0
SYS_GPI_0
NoConn ~ 5600 4950
Text Label 1350 3700 0    50   ~ 0
SYS_GPI_0
Text HLabel 1050 3700 0    50   Input ~ 0
SYS_GPI_0
Wire Wire Line
	1050 3700 1350 3700
$Comp
L Device:Crystal_GND3_Small Y1
U 1 1 5FB42AB5
P 9950 1300
F 0 "Y1" V 9904 1388 50  0000 L CNN
F 1 "32.768kHz +/-20PPM 7pF " V 9995 1388 50  0000 L CNN
F 2 "Crystal:Crystal_SMD_MicroCrystal_MS1V-T1K" H 9950 1300 50  0001 C CNN
F 3 "~" H 9950 1300 50  0001 C CNN
	1    9950 1300
	0    1    1    0   
$EndComp
Text Label 6600 1550 0    50   ~ 0
VCC_MCU_VDDANA
$Comp
L Switch:SW_Push SW1
U 1 1 5FC06878
P 10400 4400
F 0 "SW1" H 10400 4685 50  0000 C CNN
F 1 "~RST_BTN" H 10400 4594 50  0000 C CNN
F 2 "Button_Switch_THT:SW_PUSH_6mm_H5mm" H 10400 4600 50  0001 C CNN
F 3 "~" H 10400 4600 50  0001 C CNN
	1    10400 4400
	1    0    0    -1  
$EndComp
$Comp
L MCU_Microchip_SAMD:ATSAMD21G18A-M U1
U 1 1 5F7DEEDA
P 6300 3750
F 0 "U1" H 6550 1750 50  0000 C CNN
F 1 "ATSAMD21G18A-M" H 6850 1850 50  0000 C CNN
F 2 "Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm" H 7700 1900 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/SAM_D21_DA1_Family_Data%20Sheet_DS40001882E.pdf" H 6300 4750 50  0001 C CNN
	1    6300 3750
	1    0    0    -1  
$EndComp
Text Label 1450 650  2    50   ~ 0
VCC
Text Notes 5950 4500 0    50   ~ 0
USART_0\nSERCOM3
Wire Notes Line
	5950 4300 5950 4500
Wire Notes Line
	6350 4300 6350 4500
Wire Wire Line
	5600 3050 5400 3050
Text Label 5400 3050 2    50   ~ 0
I2C_0_SCL
Wire Wire Line
	5600 2950 4950 2950
Wire Wire Line
	4950 2950 4950 3050
Text Label 4950 3050 2    50   ~ 0
I2C_0_SDA
Text Label 8750 2400 2    50   ~ 0
I2C_0_SDA
Wire Wire Line
	8750 2400 9000 2400
$Comp
L Device:R_Small R15
U 1 1 5F9F6FE5
P 9000 2300
F 0 "R15" H 9059 2346 50  0000 L CNN
F 1 "4k7" H 9059 2255 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9000 2300 50  0001 C CNN
F 3 "~" H 9000 2300 50  0001 C CNN
	1    9000 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 2200 9000 2050
Text Label 9000 2050 2    50   ~ 0
VCC
Text Label 8750 2900 2    50   ~ 0
I2C_0_SCL
Wire Wire Line
	8750 2900 9000 2900
$Comp
L Device:R_Small R16
U 1 1 5F9FFD68
P 9000 2800
F 0 "R16" H 9059 2846 50  0000 L CNN
F 1 "4k7" H 9059 2755 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9000 2800 50  0001 C CNN
F 3 "~" H 9000 2800 50  0001 C CNN
	1    9000 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 2700 9000 2550
Text Label 9000 2550 2    50   ~ 0
VCC
Wire Wire Line
	6400 5650 6300 5650
Connection ~ 6300 5650
Text Label 1300 6450 0    50   ~ 0
VCC_MCU_P3V3
Wire Wire Line
	1550 6600 1550 6700
$Comp
L Device:C_Small C18
U 1 1 5FA4A28B
P 1550 6800
F 0 "C18" H 1642 6846 50  0000 L CNN
F 1 "100nF" H 1642 6755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1550 6800 50  0001 C CNN
F 3 "~" H 1550 6800 50  0001 C CNN
	1    1550 6800
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 6900 1550 7000
$Comp
L power:GND #PWR05
U 1 1 5FA4A296
P 1550 7000
F 0 "#PWR05" H 1550 6750 50  0001 C CNN
F 1 "GND" H 1555 6827 50  0000 C CNN
F 2 "" H 1550 7000 50  0001 C CNN
F 3 "" H 1550 7000 50  0001 C CNN
	1    1550 7000
	1    0    0    -1  
$EndComp
Text Notes 1100 6200 0    50   ~ 0
Close to VDDIO Pair
$Comp
L power:GND #PWR04
U 1 1 5FA436BB
P 1050 7000
F 0 "#PWR04" H 1050 6750 50  0001 C CNN
F 1 "GND" H 1055 6827 50  0000 C CNN
F 2 "" H 1050 7000 50  0001 C CNN
F 3 "" H 1050 7000 50  0001 C CNN
	1    1050 7000
	1    0    0    -1  
$EndComp
Wire Wire Line
	1050 6900 1050 7000
$Comp
L Device:C_Small C17
U 1 1 5FA436B0
P 1050 6800
F 0 "C17" H 1142 6846 50  0000 L CNN
F 1 "100nF" H 1142 6755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1050 6800 50  0001 C CNN
F 3 "~" H 1050 6800 50  0001 C CNN
	1    1050 6800
	1    0    0    -1  
$EndComp
Wire Wire Line
	1050 6600 1050 6700
Wire Wire Line
	1050 6600 1300 6600
Wire Wire Line
	1300 6600 1300 6450
Wire Wire Line
	1300 6600 1550 6600
Connection ~ 1300 6600
Wire Notes Line
	2100 6300 850  6300
Wire Notes Line
	850  6300 850  7350
Wire Notes Line
	850  7350 2100 7350
Wire Notes Line
	2100 7350 2100 6300
Wire Wire Line
	9300 4300 9300 3500
Wire Wire Line
	9300 3500 9900 3500
$Comp
L Device:C_Small C19
U 1 1 5FAA8079
P 10000 3500
F 0 "C19" V 9771 3500 50  0000 C CNN
F 1 "100nF" V 9862 3500 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10000 3500 50  0001 C CNN
F 3 "~" H 10000 3500 50  0001 C CNN
	1    10000 3500
	0    1    1    0   
$EndComp
Wire Wire Line
	10100 3500 10700 3500
Wire Wire Line
	10700 3500 10700 4400
Connection ~ 10700 4400
Wire Notes Line
	4520 2900 4520 3070
Wire Notes Line
	4520 3070 5720 3070
Wire Notes Line
	5720 3070 5720 3090
Wire Notes Line
	5950 2500 5950 3090
Wire Notes Line
	6670 3090 6670 2900
Wire Notes Line
	5720 3090 6670 3090
Wire Notes Line
	4520 2900 6850 2900
Text Notes 6500 3070 2    50   ~ 0
SERCOM_2\nI2C_0
Wire Notes Line
	5260 4500 5260 4460
Wire Notes Line
	5260 4460 4750 4460
Wire Notes Line
	5260 4500 6350 4500
Wire Notes Line
	5260 4300 5260 4250
Wire Notes Line
	5260 4300 6350 4300
Text Label 1360 3910 0    50   ~ 0
I2C_0_SDA
Text Label 1360 4050 0    50   ~ 0
I2C_0_SCL
Wire Wire Line
	1360 3910 1010 3910
Text HLabel 1010 3910 0    50   Input ~ 0
I2C_0_SDA
Text HLabel 1010 4050 0    50   Input ~ 0
I2C_0_SCL
Wire Wire Line
	1010 4050 1360 4050
Text Label 5400 3450 2    50   ~ 0
EXT_INT_1
Wire Wire Line
	5400 3350 5600 3350
Wire Wire Line
	5400 3450 5600 3450
Text Label 5400 3350 2    50   ~ 0
EXT_INT_0
Text Label 5400 3550 2    50   ~ 0
EXT_INT_2
Text Label 5400 3650 2    50   ~ 0
EXT_INT_3
Wire Wire Line
	5400 3650 5600 3650
Text Label 1300 3125 0    50   ~ 0
EXT_INT_1
Text HLabel 1100 3125 0    50   Input ~ 0
EXT_INT_1
Wire Wire Line
	1100 3125 1300 3125
Wire Wire Line
	1100 3250 1300 3250
Text Label 1300 3250 0    50   ~ 0
EXT_INT_2
Text HLabel 1100 3250 0    50   Input ~ 0
EXT_INT_2
Wire Wire Line
	1100 3375 1300 3375
Text Label 1300 3375 0    50   ~ 0
EXT_INT_3
Text HLabel 1100 3375 0    50   Input ~ 0
EXT_INT_3
Text Label 725  4550 0    50   ~ 0
EXT_INT_0
Text Label 1250 4550 0    50   ~ 0
EXT_INT_1
Text Label 1725 4550 0    50   ~ 0
EXT_INT_2
Text Label 2175 4550 0    50   ~ 0
EXT_INT_3
Wire Wire Line
	1250 4550 1250 4750
Wire Wire Line
	725  4550 725  4750
$Comp
L Device:R_Small R20
U 1 1 5FB87505
P 725 4850
F 0 "R20" H 784 4896 50  0000 L CNN
F 1 "4k7" H 784 4805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 725 4850 50  0001 C CNN
F 3 "~" H 725 4850 50  0001 C CNN
	1    725  4850
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R21
U 1 1 5FB876F2
P 1250 4850
F 0 "R21" H 1309 4896 50  0000 L CNN
F 1 "4k7" H 1309 4805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1250 4850 50  0001 C CNN
F 3 "~" H 1250 4850 50  0001 C CNN
	1    1250 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	1725 4550 1725 4750
$Comp
L Device:R_Small R22
U 1 1 5FB8CE27
P 1725 4850
F 0 "R22" H 1784 4896 50  0000 L CNN
F 1 "4k7" H 1784 4805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1725 4850 50  0001 C CNN
F 3 "~" H 1725 4850 50  0001 C CNN
	1    1725 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	2175 4550 2175 4750
$Comp
L Device:R_Small R23
U 1 1 5FB92819
P 2175 4850
F 0 "R23" H 2234 4896 50  0000 L CNN
F 1 "4k7" H 2234 4805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2175 4850 50  0001 C CNN
F 3 "~" H 2175 4850 50  0001 C CNN
	1    2175 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	725  4950 725  5025
Wire Wire Line
	725  5025 1250 5025
Wire Wire Line
	1250 5025 1250 4950
Wire Wire Line
	1250 5025 1500 5025
Wire Wire Line
	1725 5025 1725 4950
Connection ~ 1250 5025
Wire Wire Line
	1725 5025 2175 5025
Wire Wire Line
	2175 5025 2175 4950
Connection ~ 1725 5025
Wire Wire Line
	1500 5025 1500 5150
Connection ~ 1500 5025
Wire Wire Line
	1500 5025 1725 5025
$Comp
L power:GND #PWR012
U 1 1 5FBABCBE
P 1500 5150
F 0 "#PWR012" H 1500 4900 50  0001 C CNN
F 1 "GND" H 1505 4977 50  0000 C CNN
F 2 "" H 1500 5150 50  0001 C CNN
F 3 "" H 1500 5150 50  0001 C CNN
	1    1500 5150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6300 1575 6300 1700
Wire Wire Line
	6300 1700 6200 1700
Wire Wire Line
	6200 1700 6200 1850
Connection ~ 6300 1700
Wire Wire Line
	6300 1700 6300 1850
Wire Wire Line
	6300 1700 6400 1700
Wire Wire Line
	6400 1700 6400 1850
Wire Wire Line
	7000 2950 7250 2950
Text Label 7250 2950 0    50   ~ 0
USART_1_TX
Text Label 7800 3050 0    50   ~ 0
USART_1_RX
$Comp
L Device:R_Small R25
U 1 1 5FC284FF
P 7600 3050
F 0 "R25" V 7400 3050 50  0000 C CNN
F 1 "330R" V 7500 3050 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7600 3050 50  0001 C CNN
F 3 "~" H 7600 3050 50  0001 C CNN
	1    7600 3050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7700 3050 7800 3050
Wire Wire Line
	7000 3050 7500 3050
$Comp
L Device:R_Small R24
U 1 1 5FC4E3B4
P 4550 4400
F 0 "R24" V 4650 4400 50  0000 C CNN
F 1 "330R" V 4445 4400 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4550 4400 50  0001 C CNN
F 3 "~" H 4550 4400 50  0001 C CNN
	1    4550 4400
	0    1    1    0   
$EndComp
Wire Wire Line
	4350 4400 4450 4400
Wire Wire Line
	4650 4400 5350 4400
Wire Wire Line
	5350 4400 5350 4450
Wire Wire Line
	5350 4450 5600 4450
Wire Notes Line
	3850 4250 3850 4550
Wire Notes Line
	3850 4550 4750 4550
Wire Notes Line
	4750 4550 4750 4450
Wire Notes Line
	3850 4250 5260 4250
Text HLabel 2400 775  0    50   Input ~ 0
USART_1_TX
Text HLabel 2400 875  0    50   Input ~ 0
USART_1_RX
Text Label 2650 775  0    50   ~ 0
USART_1_TX
Wire Wire Line
	2650 775  2400 775 
Text Label 2650 875  0    50   ~ 0
USART_1_RX
Wire Wire Line
	2650 875  2400 875 
Text Label 5400 4050 2    50   ~ 0
EXT_INT_4
Wire Wire Line
	5400 4050 5600 4050
Text Label 1300 3500 0    50   ~ 0
EXT_INT_4
Text HLabel 1100 3500 0    50   Input ~ 0
EXT_INT_4
Wire Wire Line
	1100 3500 1300 3500
$Comp
L Device:R_Small R26
U 1 1 5FDB16EB
P 2625 4850
F 0 "R26" H 2684 4896 50  0000 L CNN
F 1 "4k7" H 2684 4805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2625 4850 50  0001 C CNN
F 3 "~" H 2625 4850 50  0001 C CNN
	1    2625 4850
	1    0    0    -1  
$EndComp
Text Label 2625 4550 0    50   ~ 0
EXT_INT_4
Wire Wire Line
	2625 4550 2625 4750
Wire Wire Line
	2175 5025 2625 5025
Wire Wire Line
	2625 5025 2625 4950
Connection ~ 2175 5025
$Comp
L Device:R_Small R27
U 1 1 5FDC383D
P 3075 4850
F 0 "R27" H 3134 4896 50  0000 L CNN
F 1 "4k7" H 3134 4805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3075 4850 50  0001 C CNN
F 3 "~" H 3075 4850 50  0001 C CNN
	1    3075 4850
	1    0    0    -1  
$EndComp
Text Label 3075 4550 0    50   ~ 0
EXT_INT_5
Wire Wire Line
	3075 4550 3075 4750
Wire Wire Line
	3075 4950 3075 5025
Wire Wire Line
	3075 5025 2625 5025
Connection ~ 2625 5025
Wire Wire Line
	5600 4150 5400 4150
Text Label 5400 4150 2    50   ~ 0
EXT_INT_5
$EndSCHEMATC