EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector_Generic:Conn_02x08_Odd_Even J1
U 1 1 60DA2442
P 1850 1650
F 0 "J1" H 1850 2050 50  0000 C CNN
F 1 "In" H 1850 1150 50  0000 C CNN
F 2 "Connector_Molex:Molex_SlimStack_55560-0161_2x08_P0.50mm_Vertical" H 1850 1650 50  0001 C CNN
F 3 "~" H 1850 1650 50  0001 C CNN
	1    1850 1650
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x08_Odd_Even J2
U 1 1 60DA3522
P 7000 1650
F 0 "J2" H 7000 2050 50  0000 C CNN
F 1 "Out" H 7000 1150 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Vertical" H 7000 1650 50  0001 C CNN
F 3 "~" H 7000 1650 50  0001 C CNN
	1    7000 1650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 60DA9CCD
P 1550 2150
F 0 "#PWR0101" H 1550 1900 50  0001 C CNN
F 1 "GND" H 1555 1977 50  0000 C CNN
F 2 "" H 1550 2150 50  0001 C CNN
F 3 "" H 1550 2150 50  0001 C CNN
	1    1550 2150
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 60DB0F71
P 2550 2150
F 0 "#FLG0101" H 2550 2225 50  0001 C CNN
F 1 "PWR_FLAG" H 2550 2323 50  0000 C CNN
F 2 "" H 2550 2150 50  0001 C CNN
F 3 "~" H 2550 2150 50  0001 C CNN
	1    2550 2150
	-1   0    0    1   
$EndComp
$Comp
L Interface_Expansion:PCA9536DP U1
U 1 1 614E50D1
P 5050 1800
F 0 "U1" H 4700 2050 50  0000 C CNN
F 1 "PCA9536DP" H 4750 1450 50  0000 C CNN
F 2 "Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm" H 6050 1450 50  0001 C CNN
F 3 "http://www.nxp.com/documents/data_sheet/PCA9536.pdf" H 4850 100 50  0001 C CNN
	1    5050 1800
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 614E5873
P 4350 1400
F 0 "C2" H 4350 1500 50  0000 L CNN
F 1 "0.1uF" H 4350 1300 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4388 1250 50  0001 C CNN
F 3 "~" H 4350 1400 50  0001 C CNN
	1    4350 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5050 1500 5050 1200
Wire Wire Line
	5050 1200 4350 1200
Wire Wire Line
	4350 1200 4350 1250
$Comp
L power:+3.3V #PWR0102
U 1 1 614E7242
P 4350 1150
F 0 "#PWR0102" H 4350 1000 50  0001 C CNN
F 1 "+3.3V" H 4365 1323 50  0000 C CNN
F 2 "" H 4350 1150 50  0001 C CNN
F 3 "" H 4350 1150 50  0001 C CNN
	1    4350 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	4350 1150 4350 1200
Connection ~ 4350 1200
Wire Wire Line
	4350 1550 4350 2250
Wire Wire Line
	4350 2250 5050 2250
Wire Wire Line
	5050 2250 5050 2200
$Comp
L power:GND #PWR0103
U 1 1 614E935B
P 5050 2300
F 0 "#PWR0103" H 5050 2050 50  0001 C CNN
F 1 "GND" H 5055 2127 50  0000 C CNN
F 2 "" H 5050 2300 50  0001 C CNN
F 3 "" H 5050 2300 50  0001 C CNN
	1    5050 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	5050 2250 5050 2300
Connection ~ 5050 2250
Wire Wire Line
	5550 1700 6050 1700
Wire Wire Line
	5550 1800 6050 1800
Wire Wire Line
	5550 1900 6050 1900
Wire Wire Line
	5550 2000 6050 2000
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 614F0F2F
P 1250 1250
F 0 "#FLG0102" H 1250 1325 50  0001 C CNN
F 1 "PWR_FLAG" H 1250 1423 50  0000 C CNN
F 2 "" H 1250 1250 50  0001 C CNN
F 3 "~" H 1250 1250 50  0001 C CNN
	1    1250 1250
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0104
U 1 1 614F178C
P 1550 1250
F 0 "#PWR0104" H 1550 1100 50  0001 C CNN
F 1 "+3.3V" H 1565 1423 50  0000 C CNN
F 2 "" H 1550 1250 50  0001 C CNN
F 3 "" H 1550 1250 50  0001 C CNN
	1    1550 1250
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 61713CB1
P 3400 1700
F 0 "C1" H 3400 1800 50  0000 L CNN
F 1 "10uF" H 3400 1600 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3438 1550 50  0001 C CNN
F 3 "~" H 3400 1700 50  0001 C CNN
	1    3400 1700
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0105
U 1 1 6171435D
P 3400 1450
F 0 "#PWR0105" H 3400 1300 50  0001 C CNN
F 1 "+3.3V" H 3415 1623 50  0000 C CNN
F 2 "" H 3400 1450 50  0001 C CNN
F 3 "" H 3400 1450 50  0001 C CNN
	1    3400 1450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 61714734
P 3400 1950
F 0 "#PWR0106" H 3400 1700 50  0001 C CNN
F 1 "GND" H 3405 1777 50  0000 C CNN
F 2 "" H 3400 1950 50  0001 C CNN
F 3 "" H 3400 1950 50  0001 C CNN
	1    3400 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 1450 3400 1550
Wire Wire Line
	3400 1850 3400 1950
Wire Wire Line
	1650 1350 1550 1350
Wire Wire Line
	1550 1350 1550 1250
Wire Wire Line
	1650 1450 1550 1450
Wire Wire Line
	1550 1450 1550 1350
Connection ~ 1550 1350
Wire Wire Line
	1250 1250 1250 1350
Wire Wire Line
	1250 1350 1550 1350
Text Label 2650 1850 2    50   ~ 0
I2C_SDA
Text Label 1150 1550 0    50   ~ 0
SPI_MOSI
Text Label 1150 1650 0    50   ~ 0
SPI_MISO
Text Label 1150 1750 0    50   ~ 0
SPI_SCK
Text Label 1150 1950 0    50   ~ 0
UART_TX
Text Label 1150 2050 0    50   ~ 0
UART_RX
Wire Wire Line
	1150 2050 1650 2050
Wire Wire Line
	1150 1950 1650 1950
Wire Wire Line
	1150 1750 1650 1750
Wire Wire Line
	1150 1650 1650 1650
Wire Wire Line
	1150 1550 1650 1550
Wire Wire Line
	1650 1850 1550 1850
Wire Wire Line
	1550 1850 1550 2150
$Comp
L power:GND #PWR0107
U 1 1 61516CA6
P 2250 2150
F 0 "#PWR0107" H 2250 1900 50  0001 C CNN
F 1 "GND" H 2255 1977 50  0000 C CNN
F 2 "" H 2250 2150 50  0001 C CNN
F 3 "" H 2250 2150 50  0001 C CNN
	1    2250 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 2050 2250 2050
Wire Wire Line
	2250 2050 2250 2150
Text Label 2650 1950 2    50   ~ 0
I2C_SCL
Text Label 2650 1750 2    50   ~ 0
GPIO0
Text Label 2650 1650 2    50   ~ 0
SPI_CS
Wire Wire Line
	2150 1550 2250 1550
Wire Wire Line
	2250 1550 2250 2050
Connection ~ 2250 2050
$Comp
L power:VDD #PWR0108
U 1 1 61522E27
P 2250 1250
F 0 "#PWR0108" H 2250 1100 50  0001 C CNN
F 1 "VDD" H 2265 1423 50  0000 C CNN
F 2 "" H 2250 1250 50  0001 C CNN
F 3 "" H 2250 1250 50  0001 C CNN
	1    2250 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 1450 2250 1450
Wire Wire Line
	2250 1450 2250 1350
Wire Wire Line
	2150 1350 2250 1350
Connection ~ 2250 1350
Wire Wire Line
	2250 1350 2250 1250
Wire Wire Line
	2150 1650 2650 1650
Wire Wire Line
	2150 1750 2650 1750
Wire Wire Line
	2150 1850 2650 1850
Wire Wire Line
	2150 1950 2650 1950
Wire Wire Line
	2250 2050 2550 2050
Wire Wire Line
	2550 2050 2550 2150
Text Label 6300 1450 0    50   ~ 0
SPI_MOSI
Text Label 6300 1550 0    50   ~ 0
SPI_MISO
Text Label 6300 1650 0    50   ~ 0
SPI_SCK
Wire Wire Line
	6300 1650 6800 1650
Wire Wire Line
	6300 1550 6800 1550
Wire Wire Line
	6300 1450 6800 1450
Text Label 6300 1350 0    50   ~ 0
SPI_CS
Wire Wire Line
	6800 1350 6300 1350
Text Label 6300 1950 0    50   ~ 0
I2C_SDA
Text Label 6300 2050 0    50   ~ 0
I2C_SCL
Wire Wire Line
	6800 1950 6300 1950
Wire Wire Line
	6800 2050 6300 2050
Wire Wire Line
	7300 1750 7800 1750
Text Label 7800 1750 2    50   ~ 0
GPIO0
Wire Wire Line
	6800 1850 6750 1850
Wire Wire Line
	6750 1850 6750 1250
$Comp
L power:+3.3V #PWR0109
U 1 1 6151D620
P 6750 1250
F 0 "#PWR0109" H 6750 1100 50  0001 C CNN
F 1 "+3.3V" H 6765 1423 50  0000 C CNN
F 2 "" H 6750 1250 50  0001 C CNN
F 3 "" H 6750 1250 50  0001 C CNN
	1    6750 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 1750 6700 1750
Wire Wire Line
	6700 1750 6700 2150
$Comp
L power:GND #PWR0110
U 1 1 6152AA8D
P 6700 2150
F 0 "#PWR0110" H 6700 1900 50  0001 C CNN
F 1 "GND" H 6705 1977 50  0000 C CNN
F 2 "" H 6700 2150 50  0001 C CNN
F 3 "" H 6700 2150 50  0001 C CNN
	1    6700 2150
	1    0    0    -1  
$EndComp
Text Label 7800 1950 2    50   ~ 0
UART_TX
Text Label 7800 2050 2    50   ~ 0
UART_RX
Wire Wire Line
	7800 2050 7300 2050
Wire Wire Line
	7800 1950 7300 1950
Text Label 6050 1700 2    50   ~ 0
PCA_IO0
Text Label 6050 1800 2    50   ~ 0
PCA_IO1
Text Label 6050 1900 2    50   ~ 0
PCA_IO2
Text Label 6050 2000 2    50   ~ 0
PCA_IO3
Wire Wire Line
	7300 1650 7800 1650
Wire Wire Line
	7300 1550 7800 1550
Wire Wire Line
	7300 1450 7800 1450
Wire Wire Line
	7300 1350 7800 1350
Text Label 7800 1650 2    50   ~ 0
PCA_IO0
Text Label 7800 1550 2    50   ~ 0
PCA_IO1
Text Label 7800 1450 2    50   ~ 0
PCA_IO2
Text Label 7800 1350 2    50   ~ 0
PCA_IO3
$Comp
L power:VDD #PWR0111
U 1 1 615475BF
P 7400 1250
F 0 "#PWR0111" H 7400 1100 50  0001 C CNN
F 1 "VDD" H 7415 1423 50  0000 C CNN
F 2 "" H 7400 1250 50  0001 C CNN
F 3 "" H 7400 1250 50  0001 C CNN
	1    7400 1250
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG0103
U 1 1 6155AB9A
P 2550 1250
F 0 "#FLG0103" H 2550 1325 50  0001 C CNN
F 1 "PWR_FLAG" H 2550 1423 50  0000 C CNN
F 2 "" H 2550 1250 50  0001 C CNN
F 3 "~" H 2550 1250 50  0001 C CNN
	1    2550 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2250 1350 2550 1350
Wire Wire Line
	2550 1350 2550 1250
Text Label 4000 1900 0    50   ~ 0
I2C_SDA
Text Label 4000 2000 0    50   ~ 0
I2C_SCL
Wire Wire Line
	4550 1900 4000 1900
Wire Wire Line
	4550 2000 4000 2000
Wire Wire Line
	7400 1250 7400 1850
Wire Wire Line
	7400 1850 7300 1850
$EndSCHEMATC