EESchema Schematic File Version 4
LIBS:ButterStick-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 15
Title "ButterStick"
Date "2019-06-14"
Rev "r0.2"
Comp "GsD"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L MCU_Microchip_ATmega:ATmega328PB-MU U19
U 1 1 5C9D15B2
P 3650 3950
F 0 "U19" H 3200 5400 50  0000 C CNN
F 1 "ATmega328PB-MU" H 4200 5400 50  0000 C CNN
F 2 "Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm" H 3650 3950 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/40001906C.pdf" H 3650 3950 50  0001 C CNN
F 4 "Microchip Technology" H 0   0   50  0001 C CNN "MFG"
F 5 "ATMEGA328PB-MUR" H 0   0   50  0001 C CNN "PN"
	1    3650 3950
	1    0    0    -1  
$EndComp
$Comp
L gkl_power:+3V3 #PWR0224
U 1 1 5C9D64ED
P 1300 1250
F 0 "#PWR0224" H 1300 1100 50  0001 C CNN
F 1 "+3V3" H 1303 1401 50  0000 C CNN
F 2 "" H 1300 1250 50  0001 C CNN
F 3 "" H 1300 1250 50  0001 C CNN
	1    1300 1250
	1    0    0    -1  
$EndComp
$Comp
L Device:Ferrite_Bead_Small FB1
U 1 1 5C9D6656
P 1800 1400
F 0 "FB1" V 1563 1400 50  0000 C CNN
F 1 "600R" V 1654 1400 50  0000 C CNN
F 2 "pkl_dipol:L_0402" V 1730 1400 50  0001 C CNN
F 3 "~" H 1800 1400 50  0001 C CNN
F 4 "Samsung Electro-Mechanics" H 0   0   50  0001 C CNN "Mfg"
F 5 "CIM05U601NC" H 0   0   50  0001 C CNN "PN"
	1    1800 1400
	0    1    1    0   
$EndComp
$Comp
L Device:Ferrite_Bead_Small FB2
U 1 1 5C9D66B1
P 3300 1400
F 0 "FB2" V 3063 1400 50  0000 C CNN
F 1 "600R" V 3154 1400 50  0000 C CNN
F 2 "pkl_dipol:L_0402" V 3230 1400 50  0001 C CNN
F 3 "~" H 3300 1400 50  0001 C CNN
F 4 "Samsung Electro-Mechanics" H 0   0   50  0001 C CNN "Mfg"
F 5 "CIM05U601NC" H 0   0   50  0001 C CNN "PN"
	1    3300 1400
	0    1    1    0   
$EndComp
Wire Wire Line
	1300 1250 1300 1400
Wire Wire Line
	1300 1400 1700 1400
$Comp
L gkl_power:GND #PWR0225
U 1 1 5C9D6870
P 3650 5450
F 0 "#PWR0225" H 3650 5200 50  0001 C CNN
F 1 "GND" H 3653 5324 50  0000 C CNN
F 2 "" H 3550 5100 50  0001 C CNN
F 3 "" H 3650 5450 50  0001 C CNN
	1    3650 5450
	1    0    0    -1  
$EndComp
Text Label 4400 4050 0    50   ~ 0
SDA0
Text Label 4400 4150 0    50   ~ 0
SCL0
Wire Wire Line
	3050 4450 2600 4450
Wire Wire Line
	4250 4450 5000 4450
Wire Wire Line
	4250 4550 5000 4550
Text Label 4400 4450 0    50   ~ 0
RXD0
Text Label 4400 4550 0    50   ~ 0
TXD0
Text Notes 1900 2700 0    50   ~ 0
ADC Reference voltage 1.1V
Text HLabel 6150 4950 2    50   Input ~ 0
SYZYGY_SDA
Text HLabel 6150 5050 2    50   Input ~ 0
SYZYGY_SCL
$Comp
L Device:R R32
U 1 1 5CB4F0D5
P 2600 4150
F 0 "R32" H 2670 4196 50  0000 L CNN
F 1 "2k2" H 2670 4105 50  0000 L CNN
F 2 "pkl_dipol:R_0402" V 2530 4150 50  0001 C CNN
F 3 "~" H 2600 4150 50  0001 C CNN
F 4 "Stackpole Electronics Inc" H 0   0   50  0001 C CNN "Mfg"
F 5 "RMCF0402FT2K20" H 0   0   50  0001 C CNN "PN"
	1    2600 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:R R27
U 1 1 5CB4F1FF
P 2450 4150
F 0 "R27" H 2381 4196 50  0000 R CNN
F 1 "2k2" H 2381 4105 50  0000 R CNN
F 2 "pkl_dipol:R_0402" V 2380 4150 50  0001 C CNN
F 3 "~" H 2450 4150 50  0001 C CNN
F 4 "Stackpole Electronics Inc" H 0   0   50  0001 C CNN "Mfg"
F 5 "RMCF0402FT2K20" H 0   0   50  0001 C CNN "PN"
	1    2450 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C12
U 1 1 5CB4F676
P 2150 1650
F 0 "C12" H 2036 1696 50  0000 R CNN
F 1 "4.7uF" H 2036 1605 50  0000 R CNN
F 2 "pkl_dipol:C_0603" H 2188 1500 50  0001 C CNN
F 3 "~" H 2150 1650 50  0001 C CNN
F 4 "Samsung Electro-Mechanics" H 0   0   50  0001 C CNN "Mfg"
F 5 "CL10A475KP8NNNC" H 0   0   50  0001 C CNN "PN"
	1    2150 1650
	1    0    0    -1  
$EndComp
$Comp
L Device:C C46
U 1 1 5CB4F6ED
P 2400 1650
F 0 "C46" H 2515 1696 50  0000 L CNN
F 1 "100nF" H 2515 1605 50  0000 L CNN
F 2 "pkl_dipol:C_0402" H 2438 1500 50  0001 C CNN
F 3 "~" H 2400 1650 50  0001 C CNN
F 4 "Samsung Electro-Mechanics" H -100 0   50  0001 C CNN "Mfg"
F 5 "CL05B104KP5NNNC" H -100 0   50  0001 C CNN "PN"
	1    2400 1650
	1    0    0    -1  
$EndComp
$Comp
L Device:C C47
U 1 1 5CB4FE13
P 3950 1650
F 0 "C47" H 3836 1696 50  0000 R CNN
F 1 "4.7uF" H 3836 1605 50  0000 R CNN
F 2 "pkl_dipol:C_0603" H 3988 1500 50  0001 C CNN
F 3 "~" H 3950 1650 50  0001 C CNN
F 4 "Samsung Electro-Mechanics" H 0   0   50  0001 C CNN "Mfg"
F 5 "CL10A475KP8NNNC" H 0   0   50  0001 C CNN "PN"
	1    3950 1650
	1    0    0    -1  
$EndComp
$Comp
L Device:C C50
U 1 1 5CB4FE19
P 4200 1650
F 0 "C50" H 4315 1696 50  0000 L CNN
F 1 "100nF" H 4315 1605 50  0000 L CNN
F 2 "pkl_dipol:C_0402" H 4238 1500 50  0001 C CNN
F 3 "~" H 4200 1650 50  0001 C CNN
F 4 "Samsung Electro-Mechanics" H -100 0   50  0001 C CNN "Mfg"
F 5 "CL05B104KP5NNNC" H -100 0   50  0001 C CNN "PN"
	1    4200 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 1400 2150 1400
Wire Wire Line
	2400 1500 2400 1400
Connection ~ 2400 1400
Wire Wire Line
	2400 1400 2950 1400
Wire Wire Line
	2150 1500 2150 1400
Connection ~ 2150 1400
Wire Wire Line
	2150 1400 2400 1400
Wire Wire Line
	2150 1800 2150 1900
Wire Wire Line
	2400 1800 2400 1900
Wire Wire Line
	2400 1900 2150 1900
Connection ~ 2150 1900
Wire Wire Line
	2150 1900 2150 1950
Wire Wire Line
	3400 1400 3950 1400
Wire Wire Line
	3950 1400 3950 1500
Wire Wire Line
	3950 1400 4200 1400
Wire Wire Line
	4200 1400 4200 1500
Connection ~ 3950 1400
Wire Wire Line
	4200 1800 4200 1900
Wire Wire Line
	4200 1900 3950 1900
Wire Wire Line
	3950 1900 3950 1800
Wire Wire Line
	3950 1900 3950 1950
Connection ~ 3950 1900
$Comp
L gkl_power:GND #PWR0108
U 1 1 5CB5121E
P 2150 1950
F 0 "#PWR0108" H 2150 1700 50  0001 C CNN
F 1 "GND" H 2153 1824 50  0000 C CNN
F 2 "" H 2050 1600 50  0001 C CNN
F 3 "" H 2150 1950 50  0001 C CNN
	1    2150 1950
	1    0    0    -1  
$EndComp
$Comp
L gkl_power:GND #PWR0218
U 1 1 5CB51242
P 3950 1950
F 0 "#PWR0218" H 3950 1700 50  0001 C CNN
F 1 "GND" H 3953 1824 50  0000 C CNN
F 2 "" H 3850 1600 50  0001 C CNN
F 3 "" H 3950 1950 50  0001 C CNN
	1    3950 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 2450 3750 2200
Wire Wire Line
	3750 2200 4700 2200
Wire Wire Line
	4700 2200 4700 1400
Wire Wire Line
	4700 1400 4200 1400
Connection ~ 4200 1400
Wire Wire Line
	3650 2450 3650 2200
Wire Wire Line
	3650 2200 2950 2200
Wire Wire Line
	2950 2200 2950 1400
Connection ~ 2950 1400
Wire Wire Line
	2950 1400 3200 1400
Text Label 2650 1400 0    50   ~ 0
VCC
Text Label 4500 1400 0    50   ~ 0
AVCC
Text Label 2700 3800 0    50   ~ 0
VCC
Wire Wire Line
	2450 4000 2450 3800
Wire Wire Line
	2450 3800 2600 3800
Wire Wire Line
	2600 4000 2600 3800
Connection ~ 2600 3800
Wire Wire Line
	2600 3800 2700 3800
Wire Wire Line
	2600 4300 2600 4450
Connection ~ 2600 4450
Wire Wire Line
	2450 4300 2450 4550
Connection ~ 2450 4550
Wire Wire Line
	2450 4550 3050 4550
$Comp
L Device:R R34
U 1 1 5CB55D73
P 5950 4650
F 0 "R34" H 6020 4696 50  0000 L CNN
F 1 "2k2" H 6020 4605 50  0000 L CNN
F 2 "pkl_dipol:R_0402" V 5880 4650 50  0001 C CNN
F 3 "~" H 5950 4650 50  0001 C CNN
F 4 "Stackpole Electronics Inc" H 0   0   50  0001 C CNN "Mfg"
F 5 "RMCF0402FT2K20" H 0   0   50  0001 C CNN "PN"
	1    5950 4650
	1    0    0    -1  
$EndComp
$Comp
L Device:R R33
U 1 1 5CB55D79
P 5800 4650
F 0 "R33" H 5600 4700 50  0000 L CNN
F 1 "2k2" H 5600 4600 50  0000 L CNN
F 2 "pkl_dipol:R_0402" V 5730 4650 50  0001 C CNN
F 3 "~" H 5800 4650 50  0001 C CNN
F 4 "Stackpole Electronics Inc" H 0   0   50  0001 C CNN "Mfg"
F 5 "RMCF0402FT2K20" H 0   0   50  0001 C CNN "PN"
	1    5800 4650
	1    0    0    -1  
$EndComp
Text Label 6050 4300 0    50   ~ 0
VCC
Wire Wire Line
	5800 4500 5800 4300
Wire Wire Line
	5800 4300 5950 4300
Wire Wire Line
	5950 4500 5950 4300
Connection ~ 5950 4300
Wire Wire Line
	5950 4300 6050 4300
Wire Wire Line
	5950 4800 5950 4950
Wire Wire Line
	5800 4800 5800 5050
Wire Wire Line
	5500 4050 5500 4950
Wire Wire Line
	5500 4950 5950 4950
Wire Wire Line
	4250 4050 5500 4050
Wire Wire Line
	6150 4950 5950 4950
Connection ~ 5950 4950
Wire Wire Line
	6150 5050 5800 5050
Wire Wire Line
	5800 5050 5400 5050
Wire Wire Line
	5400 5050 5400 4150
Wire Wire Line
	4250 4150 5400 4150
Connection ~ 5800 5050
Text GLabel 4250 2750 2    60   Input ~ 0
LED_VCCIO
Text GLabel 4250 2850 2    60   Input ~ 0
LED_ERR
Text HLabel 4250 4950 2    50   Input ~ 0
EN0
Text HLabel 4250 5050 2    50   Input ~ 0
EN1
Text HLabel 4250 5150 2    50   Input ~ 0
EN2
$Comp
L Device:C C71
U 1 1 5CF01D14
P 2700 3000
F 0 "C71" H 2815 3046 50  0000 L CNN
F 1 "100nF" H 2815 2955 50  0000 L CNN
F 2 "pkl_dipol:C_0402" H 2738 2850 50  0001 C CNN
F 3 "~" H 2700 3000 50  0001 C CNN
F 4 "Samsung Electro-Mechanics" H 0   0   50  0001 C CNN "Mfg"
F 5 "CL05B104KP5NNNC" H 0   0   50  0001 C CNN "PN"
	1    2700 3000
	1    0    0    -1  
$EndComp
$Comp
L gkl_power:GND #PWR0269
U 1 1 5CF01D9A
P 2700 3250
F 0 "#PWR0269" H 2700 3000 50  0001 C CNN
F 1 "GND" H 2703 3124 50  0000 C CNN
F 2 "" H 2600 2900 50  0001 C CNN
F 3 "" H 2700 3250 50  0001 C CNN
	1    2700 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2700 3250 2700 3150
Wire Wire Line
	2700 2850 2700 2750
Wire Wire Line
	2700 2750 3050 2750
Wire Wire Line
	4250 3250 4600 3250
Text Label 4600 3250 2    50   ~ 0
SCK
Wire Wire Line
	4250 3150 4600 3150
Text Label 4600 3150 2    50   ~ 0
MISO
Wire Wire Line
	4250 3050 4600 3050
Text Label 4600 3050 2    50   ~ 0
MOSI
Wire Wire Line
	4250 4250 4600 4250
Text Label 4600 4250 2    50   ~ 0
RESET
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J7
U 1 1 5CF73B2A
P 9650 4000
F 0 "J7" H 9700 4317 50  0000 C CNN
F 1 "TagConnect" H 9700 4226 50  0000 C CNN
F 2 "pkl_tag_connect:TC2030-NL_SMALL" H 9650 4000 50  0001 C CNN
F 3 "~" H 9650 4000 50  0001 C CNN
	1    9650 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 3900 9000 3900
Wire Wire Line
	9450 4000 9000 4000
Wire Wire Line
	9450 4100 9000 4100
Wire Wire Line
	10100 3900 9950 3900
Wire Wire Line
	10400 4000 9950 4000
Wire Wire Line
	10100 4100 9950 4100
Wire Wire Line
	10100 3900 10100 3750
Wire Wire Line
	10100 4100 10100 4250
$Comp
L gkl_power:GND #PWR0271
U 1 1 5CF85B49
P 10100 4250
F 0 "#PWR0271" H 10100 4000 50  0001 C CNN
F 1 "GND" H 10103 4124 50  0000 C CNN
F 2 "" H 10000 3900 50  0001 C CNN
F 3 "" H 10100 4250 50  0001 C CNN
	1    10100 4250
	1    0    0    -1  
$EndComp
Text Label 10100 3750 0    50   ~ 0
VCC
Text Label 9000 4100 0    50   ~ 0
RESET
Text Label 9000 4000 0    50   ~ 0
SCK
Text Label 9000 3900 0    50   ~ 0
MISO
Text Label 10400 4000 2    50   ~ 0
MOSI
Text Label 9350 3400 2    50   ~ 0
RESET
Wire Wire Line
	9350 3400 9650 3400
Wire Wire Line
	9650 3400 9650 3050
$Comp
L Device:R R60
U 1 1 5CF89112
P 9650 2900
F 0 "R60" H 9720 2946 50  0000 L CNN
F 1 "2k2" H 9720 2855 50  0000 L CNN
F 2 "pkl_dipol:R_0402" V 9580 2900 50  0001 C CNN
F 3 "~" H 9650 2900 50  0001 C CNN
F 4 "Stackpole Electronics Inc" H 0   0   50  0001 C CNN "Mfg"
F 5 "RMCF0402FT2K20" H 0   0   50  0001 C CNN "PN"
	1    9650 2900
	1    0    0    -1  
$EndComp
Text Label 9750 2550 0    50   ~ 0
VCC
Wire Wire Line
	9650 2750 9650 2550
Wire Wire Line
	9650 2550 9750 2550
Wire Wire Line
	2050 4450 2600 4450
Wire Wire Line
	2050 4550 2450 4550
Text HLabel 2050 4550 0    50   Input ~ 0
PMIC_SCL
Text HLabel 2050 4450 0    50   Input ~ 0
PMIC_SDA
Text Label 2750 4550 0    50   ~ 0
SCL1
Text Label 2750 4450 0    50   ~ 0
SDA1
$EndSCHEMATC