awatch-nrf52840.sch

EESchema Schematic File Version 4
LIBS:awatch2-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 10
Title "AWatch2"
Date ""
Rev "bigboard0"
Comp "Emarhavil Heavy Industries"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L MCU_Nordic:nRF52840 U1
U 1 1 5C249389
P 3850 4500
F 0 "U1" H 4900 1850 50  0000 C CNN
F 1 "nRF52840" H 2950 1850 50  0000 C CNN
F 2 "Package_DFN_QFN:Nordic_AQFN-73-1EP_7x7mm_P0.5mm" H 3850 1600 50  0001 C CNN
F 3 "http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52/dita/nrf52/chips/nrf52840.html" H 3200 6400 50  0001 C CNN
F 4 "1490-1071-1-ND" H 3850 4500 50  0001 C CNN "DigiKey PN"
	1    3850 4500
	1    0    0    -1  
$EndComp
Text HLabel 2400 6300 0    50   Input ~ 0
NRF_SWDCLK
Text HLabel 2400 6400 0    50   BiDi ~ 0
NRF_SWDIO
Wire Wire Line
	2400 6300 2550 6300
Wire Wire Line
	2400 6400 2550 6400
$Comp
L power:GND #PWR0101
U 1 1 5C249543
P 3950 7500
F 0 "#PWR0101" H 3950 7250 50  0001 C CNN
F 1 "GND" H 3955 7327 50  0000 C CNN
F 2 "" H 3950 7500 50  0001 C CNN
F 3 "" H 3950 7500 50  0001 C CNN
	1    3950 7500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 7300 3850 7400
$Comp
L Device:Crystal_GND24 X1
U 1 1 5C2496AA
P 2100 4500
F 0 "X1" V 2200 4300 50  0000 R CNN
F 1 "ABM11W-32.0000MHZ-8-B1U-T3" V 2200 6000 50  0000 R CNN
F 2 "Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm" H 2100 4500 50  0001 C CNN
F 3 "~" H 2100 4500 50  0001 C CNN
F 4 "535-13899-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    2100 4500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2550 4300 2500 4300
Wire Wire Line
	2100 4300 2100 4350
Wire Wire Line
	2100 4650 2100 4700
Wire Wire Line
	2100 4700 2200 4700
Wire Wire Line
	2300 4500 2350 4500
Wire Wire Line
	1900 4500 1850 4500
$Comp
L power:GND #PWR0102
U 1 1 5C2499F5
P 1850 5300
F 0 "#PWR0102" H 1850 5050 50  0001 C CNN
F 1 "GND" H 1855 5127 50  0000 C CNN
F 2 "" H 1850 5300 50  0001 C CNN
F 3 "" H 1850 5300 50  0001 C CNN
	1    1850 5300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5C249ACF
P 2200 5000
F 0 "C1" H 2086 5046 50  0000 R CNN
F 1 "10pF NP0" H 2086 4955 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2238 4850 50  0001 C CNN
F 3 "~" H 2200 5000 50  0001 C CNN
F 4 "311-3869-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    2200 5000
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 5C249BF9
P 2500 5000
F 0 "C2" H 2615 5046 50  0000 L CNN
F 1 "10pF NP0" H 2615 4955 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2538 4850 50  0001 C CNN
F 3 "~" H 2500 5000 50  0001 C CNN
F 4 "311-3869-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    2500 5000
	1    0    0    -1  
$EndComp
Wire Wire Line
	2500 4850 2500 4300
Connection ~ 2500 4300
Wire Wire Line
	2500 4300 2100 4300
Wire Wire Line
	2200 4850 2200 4700
Connection ~ 2200 4700
Wire Wire Line
	2200 4700 2550 4700
Wire Wire Line
	1850 4500 1850 5200
Wire Wire Line
	2200 5150 2200 5200
Wire Wire Line
	2200 5200 1850 5200
Connection ~ 1850 5200
Wire Wire Line
	1850 5200 1850 5300
Wire Wire Line
	2350 4500 2350 5200
Wire Wire Line
	2350 5200 2200 5200
Connection ~ 2200 5200
Wire Wire Line
	2500 5150 2500 5200
Wire Wire Line
	2500 5200 2350 5200
Connection ~ 2350 5200
Wire Wire Line
	3950 7300 3950 7400
Wire Wire Line
	3850 7400 3950 7400
Connection ~ 3950 7400
Wire Wire Line
	3950 7400 3950 7500
Wire Wire Line
	3850 1450 3850 1600
Wire Wire Line
	3850 1600 3950 1600
Wire Wire Line
	3950 1600 3950 1700
Connection ~ 3850 1600
Wire Wire Line
	3850 1600 3850 1700
$Comp
L Device:C_Small C5
U 1 1 5C24B7BA
P 2700 1300
F 0 "C5" H 2609 1346 50  0000 R CNN
F 1 "0.1µF X7R" H 2609 1255 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2700 1300 50  0001 C CNN
F 3 "~" H 2700 1300 50  0001 C CNN
F 4 "1276-1061-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    2700 1300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5C24BBFD
P 2700 1100
F 0 "#PWR0103" H 2700 850 50  0001 C CNN
F 1 "GND" H 2705 927 50  0000 C CNN
F 2 "" H 2700 1100 50  0001 C CNN
F 3 "" H 2700 1100 50  0001 C CNN
	1    2700 1100
	-1   0    0    1   
$EndComp
Wire Wire Line
	2700 1100 2700 1150
$Comp
L Device:C_Small C11
U 1 1 5C24E5DB
P 3000 1300
F 0 "C11" H 2850 1200 50  0000 L CNN
F 1 "100pF NP0" H 2750 1100 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3000 1300 50  0001 C CNN
F 3 "~" H 3000 1300 50  0001 C CNN
F 4 "311-1069-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    3000 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	2700 1400 2700 1650
Wire Wire Line
	2700 1650 3050 1650
Wire Wire Line
	3050 1650 3050 1700
Wire Wire Line
	3000 1400 3000 1600
Wire Wire Line
	3000 1600 3250 1600
Wire Wire Line
	3250 1600 3250 1700
$Comp
L Device:C_Small C15
U 1 1 5C250799
P 3200 1300
F 0 "C15" H 3250 1400 50  0000 L CNN
F 1 "1.0µF X7R" H 3250 1200 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3200 1300 50  0001 C CNN
F 3 "~" H 3200 1300 50  0001 C CNN
F 4 "1276-1946-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    3200 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 1600 3550 1600
Wire Wire Line
	3550 1600 3550 1700
Wire Wire Line
	3350 1600 3350 1700
Wire Wire Line
	3200 1400 3200 1500
Wire Wire Line
	3200 1500 3350 1500
Wire Wire Line
	3350 1500 3350 1600
Connection ~ 3350 1600
$Comp
L power:+2V8 #PWR0104
U 1 1 5C2523DF
P 3850 1450
F 0 "#PWR0104" H 3850 1300 50  0001 C CNN
F 1 "+2V8" H 3865 1623 50  0000 C CNN
F 2 "" H 3850 1450 50  0001 C CNN
F 3 "" H 3850 1450 50  0001 C CNN
	1    3850 1450
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C9
U 1 1 5C252541
P 3500 1300
F 0 "C9" H 3550 1400 50  0000 L CNN
F 1 "820pF NP0" H 3550 1200 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3500 1300 50  0001 C CNN
F 3 "~" H 3500 1300 50  0001 C CNN
F 4 "311-3959-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    3500 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3450 1550 3450 1700
Wire Wire Line
	3000 1200 3000 1150
Wire Wire Line
	3000 1150 2700 1150
Connection ~ 2700 1150
Wire Wire Line
	2700 1150 2700 1200
Wire Wire Line
	3200 1200 3200 1150
Wire Wire Line
	3200 1150 3000 1150
Connection ~ 3000 1150
$Comp
L Device:L_Small L2
U 1 1 5C254A90
P 4250 1450
F 0 "L2" H 4297 1496 50  0000 L CNN
F 1 "10µH" H 4297 1405 50  0000 L CNN
F 2 "Inductor_SMD:L_0603_1608Metric" H 4250 1450 50  0001 C CNN
F 3 "~" H 4250 1450 50  0001 C CNN
F 4 "445-6755-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    4250 1450
	1    0    0    -1  
$EndComp
$Comp
L Device:L_Small L3
U 1 1 5C254B53
P 4250 1150
F 0 "L3" H 4298 1196 50  0000 L CNN
F 1 "15nH" H 4298 1105 50  0000 L CNN
F 2 "Inductor_SMD:L_0603_1608Metric" H 4250 1150 50  0001 C CNN
F 3 "~" H 4250 1150 50  0001 C CNN
F 4 "CI160808-15NJCT-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    4250 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3450 1550 3500 1550
Wire Wire Line
	3500 1550 3500 1400
Wire Wire Line
	3200 1150 3500 1150
Wire Wire Line
	3500 1150 3500 1200
Connection ~ 3200 1150
Wire Wire Line
	3550 1600 3700 1600
Wire Wire Line
	3700 1600 3700 950 
Wire Wire Line
	3700 950  4250 950 
Wire Wire Line
	4250 950  4250 1050
Connection ~ 3550 1600
Wire Wire Line
	4250 1250 4250 1350
Wire Wire Line
	4250 1550 4250 1700
$Comp
L Device:C_Small C7
U 1 1 5C258886
P 900 1150
F 0 "C7" H 992 1196 50  0000 L CNN
F 1 "0.1µF X7R" H 992 1105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 900 1150 50  0001 C CNN
F 3 "~" H 900 1150 50  0001 C CNN
F 4 "1276-1061-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    900  1150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C8
U 1 1 5C2588C5
P 1350 1150
F 0 "C8" H 1442 1196 50  0000 L CNN
F 1 "0.1µF X7R" H 1442 1105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1350 1150 50  0001 C CNN
F 3 "~" H 1350 1150 50  0001 C CNN
F 4 "1276-1061-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    1350 1150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C12
U 1 1 5C258A61
P 1800 1150
F 0 "C12" H 1892 1196 50  0000 L CNN
F 1 "0.1µF X7R" H 1892 1105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1800 1150 50  0001 C CNN
F 3 "~" H 1800 1150 50  0001 C CNN
F 4 "1276-1061-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    1800 1150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 5C258B92
P 1350 2450
F 0 "#PWR0105" H 1350 2200 50  0001 C CNN
F 1 "GND" H 1355 2277 50  0000 C CNN
F 2 "" H 1350 2450 50  0001 C CNN
F 3 "" H 1350 2450 50  0001 C CNN
	1    1350 2450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 5C258BD9
P 900 2450
F 0 "#PWR0106" H 900 2200 50  0001 C CNN
F 1 "GND" H 905 2277 50  0000 C CNN
F 2 "" H 900 2450 50  0001 C CNN
F 3 "" H 900 2450 50  0001 C CNN
	1    900  2450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5C259877
P 900 1350
F 0 "#PWR0107" H 900 1100 50  0001 C CNN
F 1 "GND" H 905 1177 50  0000 C CNN
F 2 "" H 900 1350 50  0001 C CNN
F 3 "" H 900 1350 50  0001 C CNN
	1    900  1350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 5C2598A0
P 1350 1350
F 0 "#PWR0108" H 1350 1100 50  0001 C CNN
F 1 "GND" H 1355 1177 50  0000 C CNN
F 2 "" H 1350 1350 50  0001 C CNN
F 3 "" H 1350 1350 50  0001 C CNN
	1    1350 1350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5C2598C9
P 1800 1350
F 0 "#PWR0109" H 1800 1100 50  0001 C CNN
F 1 "GND" H 1805 1177 50  0000 C CNN
F 2 "" H 1800 1350 50  0001 C CNN
F 3 "" H 1800 1350 50  0001 C CNN
	1    1800 1350
	1    0    0    -1  
$EndComp
$Comp
L power:+2V8 #PWR0110
U 1 1 5C2598F2
P 900 950
F 0 "#PWR0110" H 900 800 50  0001 C CNN
F 1 "+2V8" H 915 1123 50  0000 C CNN
F 2 "" H 900 950 50  0001 C CNN
F 3 "" H 900 950 50  0001 C CNN
	1    900  950 
	1    0    0    -1  
$EndComp
$Comp
L power:+2V8 #PWR0111
U 1 1 5C25991B
P 1350 950
F 0 "#PWR0111" H 1350 800 50  0001 C CNN
F 1 "+2V8" H 1365 1123 50  0000 C CNN
F 2 "" H 1350 950 50  0001 C CNN
F 3 "" H 1350 950 50  0001 C CNN
	1    1350 950 
	1    0    0    -1  
$EndComp
$Comp
L power:+2V8 #PWR0112
U 1 1 5C259944
P 1800 950
F 0 "#PWR0112" H 1800 800 50  0001 C CNN
F 1 "+2V8" H 1815 1123 50  0000 C CNN
F 2 "" H 1800 950 50  0001 C CNN
F 3 "" H 1800 950 50  0001 C CNN
	1    1800 950 
	1    0    0    -1  
$EndComp
$Comp
L power:+2V8 #PWR0113
U 1 1 5C25A5B4
P 900 2050
F 0 "#PWR0113" H 900 1900 50  0001 C CNN
F 1 "+2V8" H 915 2223 50  0000 C CNN
F 2 "" H 900 2050 50  0001 C CNN
F 3 "" H 900 2050 50  0001 C CNN
	1    900  2050
	1    0    0    -1  
$EndComp
$Comp
L power:+2V8 #PWR0114
U 1 1 5C25A5DD
P 1350 2050
F 0 "#PWR0114" H 1350 1900 50  0001 C CNN
F 1 "+2V8" H 1365 2223 50  0000 C CNN
F 2 "" H 1350 2050 50  0001 C CNN
F 3 "" H 1350 2050 50  0001 C CNN
	1    1350 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1350 2050 1350 2150
Wire Wire Line
	1350 2350 1350 2450
Wire Wire Line
	900  2350 900  2450
Wire Wire Line
	900  2050 900  2150
Wire Wire Line
	900  1350 900  1250
Wire Wire Line
	1350 1250 1350 1350
Wire Wire Line
	1800 1350 1800 1250
Wire Wire Line
	1800 1050 1800 950 
Wire Wire Line
	1350 950  1350 1050
Wire Wire Line
	900  950  900  1050
$Comp
L Device:C_Small C3
U 1 1 5C26D362
P 2400 2900
F 0 "C3" H 2309 2946 50  0000 R CNN
F 1 "1.0pF NP0" H 2309 2855 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2400 2900 50  0001 C CNN
F 3 "~" H 2400 2900 50  0001 C CNN
F 4 "1276-1293-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    2400 2900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5C26D39D
P 2400 3100
F 0 "#PWR0115" H 2400 2850 50  0001 C CNN
F 1 "GND" H 2405 2927 50  0000 C CNN
F 2 "" H 2400 3100 50  0001 C CNN
F 3 "" H 2400 3100 50  0001 C CNN
	1    2400 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:L_Small L1
U 1 1 5C26D452
P 2150 2700
F 0 "L1" V 2335 2700 50  0000 C CNN
F 1 "3.8nH" V 2244 2700 50  0000 C CNN
F 2 "Inductor_SMD:L_0603_1608Metric" H 2150 2700 50  0001 C CNN
F 3 "~" H 2150 2700 50  0001 C CNN
F 4 "712-1429-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    2150 2700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2250 2700 2400 2700
Wire Wire Line
	2400 2700 2400 2800
Connection ~ 2400 2700
Wire Wire Line
	2400 2700 2550 2700
Wire Wire Line
	2400 3000 2400 3100
Text HLabel 1700 2700 0    50   BiDi ~ 0
NRF_ANT
Text Label 6050 4400 0    50   ~ 0
FLASH_D[0..3]
Wire Bus Line
	5950 4400 6700 4400
Entry Wire Line
	5850 3900 5950 4000
Entry Wire Line
	5850 4000 5950 4100
Entry Wire Line
	5850 4100 5950 4200
Entry Wire Line
	5850 4200 5950 4300
Wire Wire Line
	5850 3900 5150 3900
Wire Wire Line
	5850 4000 5150 4000
Wire Wire Line
	5850 4100 5150 4100
Wire Wire Line
	5850 4200 5150 4200
Text Label 5300 3900 0    50   ~ 0
FLASH_D0
Text Label 5300 4000 0    50   ~ 0
FLASH_D1
Text Label 5300 4100 0    50   ~ 0
FLASH_D2
Text Label 5300 4200 0    50   ~ 0
FLASH_D3
Text HLabel 6700 4400 2    50   BiDi ~ 0
FLASH_D[0..3]
Text HLabel 6700 3700 2    50   Output ~ 0
FLASH_CSN
Text HLabel 6700 3800 2    50   Output ~ 0
FLASH_SCK
Wire Wire Line
	6700 3700 5150 3700
Wire Wire Line
	5150 3800 6700 3800
Text HLabel 6700 5300 2    50   Output ~ 0
BTN_BACK
Text HLabel 6700 5400 2    50   Output ~ 0
BTN_UP
Text HLabel 6700 5500 2    50   Output ~ 0
BTN_CENTER
Text HLabel 6700 5600 2    50   Output ~ 0
BTN_DOWN
Wire Wire Line
	5150 2200 6700 2200
Text HLabel 6700 2300 2    50   Input ~ 0
PMIC_SENS
Wire Wire Line
	6700 2300 5150 2300
Wire Wire Line
	5150 2000 6700 2000
Wire Wire Line
	6700 2100 5150 2100
Text HLabel 6700 2100 2    50   Output ~ 0
MIC_CLK
Text HLabel 6700 2000 2    50   Input ~ 0
MIC_DIN
Text HLabel 6700 2200 2    50   Output ~ 0
MIC_nSTBY
Text HLabel 6700 2400 2    50   Output ~ 0
PMIC_SCL
Text HLabel 6700 2500 2    50   BiDi ~ 0
PMIC_SDA
Wire Wire Line
	6700 2400 5350 2400
Wire Wire Line
	5150 2500 5650 2500
Text HLabel 6700 3500 2    50   Output ~ 0
DISP_MOSI
Text HLabel 6700 3400 2    50   Output ~ 0
DISP_SCK
Text HLabel 6700 3600 2    50   Output ~ 0
DISP_CSN
Wire Wire Line
	6700 3400 5150 3400
Wire Wire Line
	5150 3500 6700 3500
Wire Wire Line
	6700 3600 5150 3600
Text HLabel 5400 4300 2    50   Input ~ 0
UARTSS_RX
Text HLabel 5400 4400 2    50   Output ~ 0
UARTSS_TX
Text HLabel 6700 2600 2    50   Input ~ 0
UARTDBG_RX
Text HLabel 6700 2800 2    50   Output ~ 0
UARTDBG_TX
Wire Wire Line
	5400 4400 5150 4400
Wire Wire Line
	5150 4300 5400 4300
Text HLabel 6700 3300 2    50   Output ~ 0
BL_PWM
Wire Wire Line
	6700 3300 5150 3300
Text HLabel 6700 4700 2    50   Output ~ 0
BL_EN
Wire Wire Line
	6700 4700 5150 4700
Text HLabel 6700 4600 2    50   Output ~ 0
SENS_SCL
Text HLabel 6700 4500 2    50   BiDi ~ 0
SENS_SDA
Wire Wire Line
	6700 5300 5150 5300
Wire Wire Line
	5150 5500 6700 5500
Wire Wire Line
	6700 5400 5150 5400
Text HLabel 2400 6200 0    50   Input ~ 0
NRF_RESETN
Wire Wire Line
	2400 6200 2550 6200
Text GLabel 5000 800  0    50   BiDi ~ 0
+2V8
Text GLabel 5000 950  0    50   BiDi ~ 0
GND
$Comp
L power:+2V8 #PWR0116
U 1 1 5C2CE42B
P 5150 800
F 0 "#PWR0116" H 5150 650 50  0001 C CNN
F 1 "+2V8" H 5165 973 50  0000 C CNN
F 2 "" H 5150 800 50  0001 C CNN
F 3 "" H 5150 800 50  0001 C CNN
	1    5150 800 
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0117
U 1 1 5C2D0D2D
P 5150 950
F 0 "#PWR0117" H 5150 700 50  0001 C CNN
F 1 "GND" H 5155 777 50  0000 C CNN
F 2 "" H 5150 950 50  0001 C CNN
F 3 "" H 5150 950 50  0001 C CNN
	1    5150 950 
	1    0    0    -1  
$EndComp
Wire Wire Line
	5150 950  5000 950 
Wire Wire Line
	5000 800  5150 800 
Text HLabel 6700 2900 2    50   BiDi ~ 0
NRF_NFC1
Text HLabel 6700 3000 2    50   BiDi ~ 0
NRF_NFC2
Wire Wire Line
	6700 3000 6600 3000
Wire Wire Line
	5150 2900 6600 2900
Text HLabel 6700 6100 2    50   BiDi ~ 0
NRF_CHICKEN0
Text HLabel 6700 3100 2    50   BiDi ~ 0
NRF_CHICKEN1
Text HLabel 6700 3200 2    50   BiDi ~ 0
NRF_CHICKEN2
Wire Wire Line
	6700 6100 5150 6100
Wire Wire Line
	5150 3100 6700 3100
Wire Wire Line
	6700 3200 5150 3200
Text HLabel 6700 4800 2    50   BiDi ~ 0
NRF_CHICKEN3
Wire Wire Line
	6700 4800 5150 4800
$Comp
L Device:R_Small_US R1
U 1 1 5C2EEED5
P 5350 1700
F 0 "R1" H 5418 1746 50  0000 L CNN
F 1 "2.2k" H 5418 1655 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5350 1700 50  0001 C CNN
F 3 "~" H 5350 1700 50  0001 C CNN
F 4 "MCT0603-2.20K-CFCT-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    5350 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 1800 5350 2400
Connection ~ 5350 2400
Wire Wire Line
	5350 2400 5150 2400
$Comp
L Device:R_Small_US R2
U 1 1 5C2F1FB7
P 5650 1700
F 0 "R2" H 5718 1746 50  0000 L CNN
F 1 "2.2k" H 5718 1655 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5650 1700 50  0001 C CNN
F 3 "~" H 5650 1700 50  0001 C CNN
F 4 "MCT0603-2.20K-CFCT-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    5650 1700
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R3
U 1 1 5C2F1FF1
P 8800 3800
F 0 "R3" H 8868 3846 50  0000 L CNN
F 1 "2.2k" H 8868 3755 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8800 3800 50  0001 C CNN
F 3 "~" H 8800 3800 50  0001 C CNN
F 4 "MCT0603-2.20K-CFCT-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    8800 3800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R4
U 1 1 5C2F202B
P 9100 3800
F 0 "R4" H 9168 3846 50  0000 L CNN
F 1 "2.2k" H 9168 3755 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9100 3800 50  0001 C CNN
F 3 "~" H 9100 3800 50  0001 C CNN
F 4 "MCT0603-2.20K-CFCT-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    9100 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 1800 5650 2500
Connection ~ 5650 2500
Wire Wire Line
	5650 2500 6700 2500
$Comp
L power:+2V8 #PWR0118
U 1 1 5C2FBB32
P 5350 1500
F 0 "#PWR0118" H 5350 1350 50  0001 C CNN
F 1 "+2V8" H 5365 1673 50  0000 C CNN
F 2 "" H 5350 1500 50  0001 C CNN
F 3 "" H 5350 1500 50  0001 C CNN
	1    5350 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 1500 5350 1550
Wire Wire Line
	5350 1550 5650 1550
Wire Wire Line
	5650 1550 5650 1600
Connection ~ 5350 1550
Wire Wire Line
	5350 1550 5350 1600
NoConn ~ 5150 4900
NoConn ~ 5150 5000
NoConn ~ 5150 5200
NoConn ~ 5150 5900
NoConn ~ 5150 6000
NoConn ~ 5150 5800
NoConn ~ 5150 2700
NoConn ~ 5150 6300
NoConn ~ 5150 6400
NoConn ~ 5150 6500
NoConn ~ 5150 6600
NoConn ~ 5150 6700
NoConn ~ 5150 6900
NoConn ~ 5150 7000
NoConn ~ 4350 1700
NoConn ~ 3150 1700
NoConn ~ 3650 1700
Wire Wire Line
	5150 5700 5800 5700
$Comp
L Device:R_Small_US R201
U 1 1 5C396EAC
P 5800 5100
F 0 "R201" H 5868 5146 50  0000 L CNN
F 1 "10k" H 5868 5055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5800 5100 50  0001 C CNN
F 3 "~" H 5800 5100 50  0001 C CNN
F 4 "MCT0603-10.0K-CFCT-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    5800 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 5200 5800 5700
Connection ~ 5800 5700
Wire Wire Line
	5800 5700 6700 5700
Text HLabel 6700 5700 2    50   Input ~ 0
PMIC_INTn
$Comp
L power:+2V8 #PWR0120
U 1 1 5C39B10C
P 5800 4950
F 0 "#PWR0120" H 5800 4800 50  0001 C CNN
F 1 "+2V8" H 5742 4987 50  0000 R CNN
F 2 "" H 5800 4950 50  0001 C CNN
F 3 "" H 5800 4950 50  0001 C CNN
	1    5800 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 4950 5800 5000
Text HLabel 6700 6200 2    50   Input ~ 0
SENS_IMU_INT
$Comp
L Device:R_Small_US R202
U 1 1 5C442EC0
P 6200 5100
F 0 "R202" H 6268 5146 50  0000 L CNN
F 1 "n/c" H 6268 5055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6200 5100 50  0001 C CNN
F 3 "~" H 6200 5100 50  0001 C CNN
	1    6200 5100
	1    0    0    -1  
$EndComp
$Comp
L power:+2V8 #PWR0121
U 1 1 5C44AE8F
P 6200 4950
F 0 "#PWR0121" H 6200 4800 50  0001 C CNN
F 1 "+2V8" H 6142 4987 50  0000 R CNN
F 2 "" H 6200 4950 50  0001 C CNN
F 3 "" H 6200 4950 50  0001 C CNN
	1    6200 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 4950 6200 5000
Wire Wire Line
	4050 1700 4050 1150
Wire Wire Line
	4050 1150 3500 1150
Connection ~ 3500 1150
$Comp
L Device:C_Small C14
U 1 1 5C857E99
P 1350 2250
F 0 "C14" H 1400 2350 50  0000 L CNN
F 1 "1.0µF X7R" H 1400 2150 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1350 2250 50  0001 C CNN
F 3 "~" H 1350 2250 50  0001 C CNN
F 4 "1276-1946-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    1350 2250
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C6
U 1 1 5C2C501B
P 900 2250
F 0 "C6" H 950 2350 50  0000 L CNN
F 1 "4.7µF X7R" H 950 2150 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 900 2250 50  0001 C CNN
F 3 "~" H 900 2250 50  0001 C CNN
F 4 "1276-2087-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    900  2250
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C4
U 1 1 5C319D98
P 1900 2900
F 0 "C4" H 1809 2946 50  0000 R CNN
F 1 "1.0pF NP0" H 1809 2855 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1900 2900 50  0001 C CNN
F 3 "~" H 1900 2900 50  0001 C CNN
F 4 "1276-1293-1-ND" H 0   0   50  0001 C CNN "DigiKey PN"
	1    1900 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 2700 1900 2700
Wire Wire Line
	1900 2700 1900 2800
Connection ~ 1900 2700
Wire Wire Line
	1900 2700 2050 2700
$Comp
L power:GND #PWR0141
U 1 1 5C322A37
P 1900 3100
F 0 "#PWR0141" H 1900 2850 50  0001 C CNN
F 1 "GND" H 1905 2927 50  0000 C CNN
F 2 "" H 1900 3100 50  0001 C CNN
F 3 "" H 1900 3100 50  0001 C CNN
	1    1900 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 3000 1900 3100
$Comp
L Device:C C201
U 1 1 5C3ACC54
P 7600 2650
F 0 "C201" H 7715 2696 50  0000 L CNN
F 1 "?pF NP0" H 7715 2605 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7638 2500 50  0001 C CNN
F 3 "~" H 7600 2650 50  0001 C CNN
	1    7600 2650
	1    0    0    -1  
$EndComp
$Comp
L Device:C C202
U 1 1 5C3ACCC4
P 7600 3250
F 0 "C202" H 7715 3296 50  0000 L CNN
F 1 "?pF NP0" H 7715 3205 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7638 3100 50  0001 C CNN
F 3 "~" H 7600 3250 50  0001 C CNN
	1    7600 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 2900 6600 2850
Wire Wire Line
	6600 2850 7600 2850
Connection ~ 6600 2900
Wire Wire Line
	6600 2900 6700 2900
Wire Wire Line
	6600 3000 6600 3050
Wire Wire Line
	6600 3050 7600 3050
Connection ~ 6600 3000
Wire Wire Line
	6600 3000 5150 3000
$Comp
L power:GND #PWR0209
U 1 1 5C3B6652
P 7600 3450
F 0 "#PWR0209" H 7600 3200 50  0001 C CNN
F 1 "GND" H 7605 3277 50  0000 C CNN
F 2 "" H 7600 3450 50  0001 C CNN
F 3 "" H 7600 3450 50  0001 C CNN
	1    7600 3450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0208
U 1 1 5C3BB5DC
P 7600 2450
F 0 "#PWR0208" H 7600 2200 50  0001 C CNN
F 1 "GND" H 7605 2277 50  0000 C CNN
F 2 "" H 7600 2450 50  0001 C CNN
F 3 "" H 7600 2450 50  0001 C CNN
	1    7600 2450
	-1   0    0    1   
$EndComp
Wire Wire Line
	7600 3400 7600 3450
Wire Wire Line
	7600 3100 7600 3050
Wire Wire Line
	7600 2450 7600 2500
Wire Wire Line
	7600 2800 7600 2850
Wire Wire Line
	5150 5600 6700 5600
Wire Wire Line
	5150 6200 6200 6200
Wire Wire Line
	6200 5200 6200 6200
Connection ~ 6200 6200
Wire Wire Line
	6200 6200 6700 6200
Text HLabel 9300 4000 2    50   Output ~ 0
SENS_SCL
Text HLabel 9300 4100 2    50   BiDi ~ 0
SENS_SDA
Wire Wire Line
	9100 3900 9100 4100
Wire Wire Line
	9100 4100 9300 4100
Wire Wire Line
	9300 4000 8800 4000
Wire Wire Line
	8800 4000 8800 3900
Wire Wire Line
	8800 3700 8800 3600
Wire Wire Line
	8800 3600 9100 3600
Wire Wire Line
	9100 3600 9100 3700
$Comp
L power:+2V8 #PWR0145
U 1 1 5C4096C0
P 8800 3500
F 0 "#PWR0145" H 8800 3350 50  0001 C CNN
F 1 "+2V8" H 8815 3673 50  0000 C CNN
F 2 "" H 8800 3500 50  0001 C CNN
F 3 "" H 8800 3500 50  0001 C CNN
	1    8800 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	8800 3500 8800 3600
Connection ~ 8800 3600
Wire Wire Line
	5150 2600 6700 2600
Wire Wire Line
	5150 2800 6700 2800
Wire Wire Line
	5150 4500 6700 4500
Wire Wire Line
	5150 4600 6700 4600
Wire Bus Line
	5950 4000 5950 4400
$EndSCHEMATC