max80/esp32.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 5 8
Title "MAX80"
Date "2021-02-22"
Rev "0.01"
Comp "Peter o Per"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:Polyfuse F2
U 1 1 610EE853
P 3550 2450
F 0 "F2" V 3450 2450 50  0000 C CNN
F 1 "Polyfuse 1.8A" V 3650 2550 50  0000 C CNN
F 2 "max80:Fuse_1206_3216Metric" H 3600 2250 50  0001 L CNN
F 3 "https://datasheet.lcsc.com/szlcsc/1811141110_TECHFUSE-nSMD020-30V_C69680.pdf" H 3550 2450 50  0001 C CNN
F 4 "C70082" H 2200 950 50  0001 C CNN "LCSC"
F 5 "" H 2200 950 50  0001 C CNN "MOUSER"
F 6 "" H 2200 950 50  0001 C CNN "MPN"
	1    3550 2450
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0126
U 1 1 5CFA80C4
P 2850 3050
F 0 "#PWR0126" H 2850 2800 50  0001 C CNN
F 1 "GND" H 2855 2877 50  0000 C CNN
F 2 "" H 2850 3050 50  0001 C CNN
F 3 "" H 2850 3050 50  0001 C CNN
	1    2850 3050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0136
U 1 1 5CC7520B
P 2100 3350
F 0 "#PWR0136" H 2100 3100 50  0001 C CNN
F 1 "GND" H 2105 3177 50  0000 C CNN
F 2 "" H 2100 3350 50  0001 C CNN
F 3 "" H 2100 3350 50  0001 C CNN
	1    2100 3350
	1    0    0    -1  
$EndComp
$Comp
L max80:HRO-TYPE-C-31-M-12 USB2
U 1 1 610EE858
P 1500 2600
F 0 "USB2" H 1500 3803 60  0000 C CNN
F 1 "HRO-TYPE-C-31-M-12" H 1500 3697 60  0000 C CNN
F 2 "max80:HRO-TYPE-C-31-M-12" H 1500 3591 60  0000 C CNN
F 3 "https://datasheet.lcsc.com/szlcsc/1811131825_Korean-Hroparts-Elec-TYPE-C-31-M-12_C165948.pdf" H 800 2650 60  0001 C CNN
F 4 "C165948" H 1500 2600 50  0001 C CNN "LCSC"
	1    1500 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 2350 1650 2350
$Comp
L Device:R R4
U 1 1 5E79F20F
P 1800 2950
F 0 "R4" V 1593 2950 50  0000 C CNN
F 1 "5.1k" V 1684 2950 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1730 2950 50  0001 C CNN
F 3 "~" H 1800 2950 50  0001 C CNN
F 4 "C25905" H 1800 2950 50  0001 C CNN "LCSC"
F 5 "" H 1800 2950 50  0001 C CNN "Supplier"
	1    1800 2950
	0    1    1    0   
$EndComp
Wire Wire Line
	1600 2950 1650 2950
NoConn ~ 1600 2250
NoConn ~ 1600 2450
NoConn ~ 1600 2750
NoConn ~ 1600 2850
$Comp
L Device:C_Small C52
U 1 1 5E7FEAC9
P 4000 2700
F 0 "C52" V 3748 2700 50  0000 C CNN
F 1 "1uF" V 3839 2700 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4038 2550 50  0001 C CNN
F 3 "~" H 4000 2700 50  0001 C CNN
F 4 "C28323" H 2600 1750 50  0001 C CNN "LCSC"
F 5 "" H 2600 1750 50  0001 C CNN "MOUSER"
F 6 "" H 2600 1750 50  0001 C CNN "MPN"
F 7 "" H 4000 2700 50  0001 C CNN "Supplier"
	1    4000 2700
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0140
U 1 1 610EE85C
P 4000 2850
F 0 "#PWR0140" H 4000 2600 50  0001 C CNN
F 1 "GND" H 4005 2677 50  0000 C CNN
F 2 "" H 4000 2850 50  0001 C CNN
F 3 "" H 4000 2850 50  0001 C CNN
	1    4000 2850
	1    0    0    -1  
$EndComp
$Comp
L Power_Protection:USBLC6-2SC6 U8
U 1 1 610EE85E
P 2850 3150
AR Path="/610EE85E" Ref="U8"  Part="1" 
AR Path="/5E63B67F/610EE85E" Ref="U8"  Part="1" 
AR Path="/601569F0/610EE85E" Ref="U9"  Part="1" 
AR Path="/602159BB/610EE85E" Ref="U15"  Part="1" 
F 0 "U15" V 3200 2900 50  0000 R CNN
F 1 "USBLC6-2SC6" V 3300 2950 50  0000 R CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6" H 2100 3550 50  0001 C CNN
F 3 "" H 3050 3500 50  0001 C CNN
F 4 "C7519" H 2850 3150 50  0001 C CNN "LCSC"
	1    2850 3150
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1600 2550 2750 2550
Wire Wire Line
	2850 2950 2850 3050
Wire Wire Line
	2250 3650 2750 3650
$Comp
L power:GND #PWR0141
U 1 1 610EE85F
P 3350 3250
F 0 "#PWR0141" H 3350 3000 50  0001 C CNN
F 1 "GND" H 3355 3077 50  0000 C CNN
F 2 "" H 3350 3250 50  0001 C CNN
F 3 "" H 3350 3250 50  0001 C CNN
	1    3350 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 3150 3350 3250
Wire Wire Line
	1600 2650 2250 2650
Wire Wire Line
	2250 2650 2250 3650
NoConn ~ 1600 3250
Wire Wire Line
	2750 2550 2750 2750
Wire Wire Line
	2750 3650 2750 3550
Wire Wire Line
	2950 3650 2950 3550
Wire Wire Line
	3250 3150 3350 3150
$Comp
L RF_Module:ESP32-S2-WROVER-I U11
U 1 1 610EDBDA
P 7250 2900
F 0 "U11" H 6850 4100 50  0000 C CNN
F 1 "ESP32-S2-WROVER-I" H 7700 4100 50  0000 C CNN
F 2 "max80:ESP32-S2-WROVER" H 8000 1750 50  0001 C CNN
F 3 "https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_en.pdf" H 6950 2100 50  0001 C CNN
	1    7250 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 2050 2050 2050
Wire Wire Line
	2050 2050 2050 2350
Wire Wire Line
	2050 2950 1950 2950
Wire Wire Line
	2050 3150 2050 2950
Connection ~ 2050 2950
Wire Wire Line
	1600 3150 2050 3150
Wire Wire Line
	2050 3150 2100 3150
Wire Wire Line
	2100 3150 2100 3350
Connection ~ 2050 3150
Wire Wire Line
	2050 2350 2050 2950
Connection ~ 2050 2350
Wire Wire Line
	1600 2150 2000 2150
Wire Wire Line
	1600 3050 2000 3050
Wire Wire Line
	2000 3050 2000 2150
Connection ~ 2000 2150
Wire Wire Line
	2000 2150 2300 2150
Wire Wire Line
	2300 2150 2300 3150
Wire Wire Line
	2300 3150 2450 3150
Wire Wire Line
	3200 2150 3200 2450
Wire Wire Line
	3200 2450 3400 2450
Connection ~ 2300 2150
$Comp
L Device:R_Small R3
U 1 1 61104569
P 1750 2350
F 0 "R3" V 1650 2300 50  0000 C CNN
F 1 "5.1k" V 1650 2450 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1750 2350 50  0001 C CNN
F 3 "~" H 1750 2350 50  0001 C CNN
F 4 "C25905" H 1750 2350 50  0001 C CNN "LCSC"
	1    1750 2350
	0    1    1    0   
$EndComp
Wire Wire Line
	1850 2350 2050 2350
Text Label 3000 2600 0    50   ~ 0
USB_D+
Text Label 8350 3600 0    50   ~ 0
USB_D-
Text Label 3000 3650 0    50   ~ 0
USB_D-
$Comp
L power:GND #PWR010
U 1 1 6110BA8E
P 7250 4100
F 0 "#PWR010" H 7250 3850 50  0001 C CNN
F 1 "GND" H 7255 3927 50  0000 C CNN
F 2 "" H 7250 4100 50  0001 C CNN
F 3 "" H 7250 4100 50  0001 C CNN
	1    7250 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	7250 4000 7250 4100
$Comp
L power:+3V3 #PWR09
U 1 1 6110E24F
P 7250 1600
F 0 "#PWR09" H 7250 1450 50  0001 C CNN
F 1 "+3V3" H 7265 1773 50  0000 C CNN
F 2 "" H 7250 1600 50  0001 C CNN
F 3 "" H 7250 1600 50  0001 C CNN
	1    7250 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	7250 1600 7250 1700
Text GLabel 7850 2300 2    50   Input ~ 0
ESP32_TMS
Text GLabel 7850 2400 2    50   Input ~ 0
ESP32_TDI
Text GLabel 7850 2500 2    50   Input ~ 0
ESP32_TDO
Text GLabel 7850 2600 2    50   Input ~ 0
ESP32_TCK
Text GLabel 6550 2000 0    50   Input ~ 0
ESP32_IO0
Text GLabel 6550 1900 0    50   Input ~ 0
ESP32_EN
Wire Wire Line
	6550 1900 6650 1900
Wire Wire Line
	6550 2000 6650 2000
Text GLabel 7850 2100 2    50   Input ~ 0
ESP32_RXD
Text GLabel 7850 2200 2    50   Input ~ 0
ESP32_TXD
Text HLabel 6550 3500 0    50   Input ~ 0
RTC
Wire Wire Line
	6550 3500 6650 3500
$Comp
L Device:C_Small C54
U 1 1 611262EE
P 8400 1400
F 0 "C54" H 8150 1450 50  0000 L CNN
F 1 "22uF" H 8100 1350 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 8400 1400 50  0001 C CNN
F 3 "~" H 8400 1400 50  0001 C CNN
F 4 "C45783" H 8400 1400 50  0001 C CNN "LCSC"
	1    8400 1400
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C55
U 1 1 61126FC2
P 8600 1400
F 0 "C55" H 8692 1446 50  0000 L CNN
F 1 "100nF" H 8692 1355 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8600 1400 50  0001 C CNN
F 3 "~" H 8600 1400 50  0001 C CNN
F 4 "C1525" H 8600 1400 50  0001 C CNN "LCSC"
	1    8600 1400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0144
U 1 1 61127D02
P 8400 1600
F 0 "#PWR0144" H 8400 1350 50  0001 C CNN
F 1 "GND" H 8405 1427 50  0000 C CNN
F 2 "" H 8400 1600 50  0001 C CNN
F 3 "" H 8400 1600 50  0001 C CNN
	1    8400 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	8400 1500 8400 1550
Wire Wire Line
	8600 1550 8600 1500
$Comp
L Device:C_Small C53
U 1 1 6112E6F3
P 4950 1450
F 0 "C53" H 5042 1496 50  0000 L CNN
F 1 "100nF" H 5042 1405 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 4950 1450 50  0001 C CNN
F 3 "~" H 4950 1450 50  0001 C CNN
F 4 "C1525" H 4950 1450 50  0001 C CNN "LCSC"
	1    4950 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	4950 1300 4950 1350
$Comp
L power:GND #PWR0145
U 1 1 611302A2
P 4950 1600
F 0 "#PWR0145" H 4950 1350 50  0001 C CNN
F 1 "GND" H 4955 1427 50  0000 C CNN
F 2 "" H 4950 1600 50  0001 C CNN
F 3 "" H 4950 1600 50  0001 C CNN
	1    4950 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4950 1550 4950 1600
Text GLabel 6650 3300 0    50   Input ~ 0
FPGA_SPI_MISO
Text GLabel 6650 3200 0    50   Input ~ 0
FPGA_SPI_MOSI
Text GLabel 6650 3100 0    50   Input ~ 0
FPGA_SPI_CLK
Text GLabel 6650 3000 0    50   Input ~ 0
FGPA_SPI_CS_ESP32
Text GLabel 6650 2900 0    50   Input ~ 0
INT_ESP32
Text GLabel 7850 3000 2    50   Input ~ 0
ESP32_MOSI
Text GLabel 7850 2900 2    50   Input ~ 0
ESP32_SCK
Text GLabel 7850 2800 2    50   Input ~ 0
ESP32_MISO
Text GLabel 7850 3200 2    50   Input ~ 0
ESP32_SDA
Text GLabel 7850 3100 2    50   Input ~ 0
ESP32_SCL
Text GLabel 9750 3050 3    50   Input ~ 0
ESP32_SCL
Text GLabel 9850 3050 3    50   Input ~ 0
ESP32_SDA
Text GLabel 7850 2700 2    50   Input ~ 0
ESP32_CS0
$Comp
L Device:R_Small R19
U 1 1 611AB901
P 9750 2900
F 0 "R19" H 9550 2950 50  0000 L CNN
F 1 "6.2k" H 9550 2850 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 9750 2900 50  0001 C CNN
F 3 "~" H 9750 2900 50  0001 C CNN
F 4 "C4260" H 9750 2900 50  0001 C CNN "LCSC"
	1    9750 2900
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R20
U 1 1 611ABCC5
P 9850 2900
F 0 "R20" H 9909 2946 50  0000 L CNN
F 1 "6.2k" H 9909 2855 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 9850 2900 50  0001 C CNN
F 3 "~" H 9850 2900 50  0001 C CNN
F 4 "C4260" H 9850 2900 50  0001 C CNN "LCSC"
	1    9850 2900
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR034
U 1 1 611AF690
P 9800 2650
F 0 "#PWR034" H 9800 2500 50  0001 C CNN
F 1 "+3V3" H 9815 2823 50  0000 C CNN
F 2 "" H 9800 2650 50  0001 C CNN
F 3 "" H 9800 2650 50  0001 C CNN
	1    9800 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	9750 2800 9750 2750
Wire Wire Line
	9750 2750 9800 2750
Wire Wire Line
	9800 2750 9800 2650
Wire Wire Line
	9800 2750 9850 2750
Wire Wire Line
	9850 2750 9850 2800
Connection ~ 9800 2750
Wire Wire Line
	9750 3000 9750 3050
Wire Wire Line
	9850 3000 9850 3050
$Comp
L Device:LED D1
U 1 1 611B5A79
P 4950 2550
F 0 "D1" V 4950 2400 50  0000 L CNN
F 1 "LED-Y" V 5350 2550 50  0000 L CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 4950 2550 50  0001 C CNN
F 3 "~" H 4950 2550 50  0001 C CNN
F 4 "C72038" H 4950 2550 50  0001 C CNN "LCSC"
	1    4950 2550
	0    1    -1   0   
$EndComp
$Comp
L Device:R_Small R16
U 1 1 611B7173
P 4950 2850
F 0 "R16" V 4850 2800 50  0000 L CNN
F 1 "1k" H 4800 2750 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 4950 2850 50  0001 C CNN
F 3 "~" H 4950 2850 50  0001 C CNN
F 4 "C11702" H 4950 2850 50  0001 C CNN "LCSC"
	1    4950 2850
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R17
U 1 1 611B7E9F
P 5350 2850
F 0 "R17" V 5250 2800 50  0000 L CNN
F 1 "1k" H 5200 2750 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 5350 2850 50  0001 C CNN
F 3 "~" H 5350 2850 50  0001 C CNN
F 4 "C11702" H 5350 2850 50  0001 C CNN "LCSC"
	1    5350 2850
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R18
U 1 1 611B8401
P 5150 2850
F 0 "R18" V 5050 2800 50  0000 L CNN
F 1 "1k" H 5000 2750 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 5150 2850 50  0001 C CNN
F 3 "~" H 5150 2850 50  0001 C CNN
F 4 "C11702" H 5150 2850 50  0001 C CNN "LCSC"
	1    5150 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	4950 2700 4950 2750
Wire Wire Line
	5150 2700 5150 2750
$Comp
L power:GND #PWR031
U 1 1 611BD13B
P 4950 3000
F 0 "#PWR031" H 4950 2750 50  0001 C CNN
F 1 "GND" H 4955 2827 50  0000 C CNN
F 2 "" H 4950 3000 50  0001 C CNN
F 3 "" H 4950 3000 50  0001 C CNN
	1    4950 3000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR032
U 1 1 611BD757
P 5150 3000
F 0 "#PWR032" H 5150 2750 50  0001 C CNN
F 1 "GND" H 5155 2827 50  0000 C CNN
F 2 "" H 5150 3000 50  0001 C CNN
F 3 "" H 5150 3000 50  0001 C CNN
	1    5150 3000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR033
U 1 1 611BDCB7
P 5350 3000
F 0 "#PWR033" H 5350 2750 50  0001 C CNN
F 1 "GND" H 5355 2827 50  0000 C CNN
F 2 "" H 5350 3000 50  0001 C CNN
F 3 "" H 5350 3000 50  0001 C CNN
	1    5350 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4950 2950 4950 3000
Wire Wire Line
	5150 2950 5150 3000
$Comp
L Device:LED D2
U 1 1 611D1925
P 5350 2550
F 0 "D2" V 5350 2400 50  0000 L CNN
F 1 "LED-G" V 5650 2550 50  0000 L CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 5350 2550 50  0001 C CNN
F 3 "~" H 5350 2550 50  0001 C CNN
F 4 "C72043" H 5350 2550 50  0001 C CNN "LCSC"
	1    5350 2550
	0    1    -1   0   
$EndComp
$Comp
L Device:LED D3
U 1 1 611D1F01
P 5150 2550
F 0 "D3" V 5150 2400 50  0000 L CNN
F 1 "LED-B" V 5350 2550 50  0000 L CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 5150 2550 50  0001 C CNN
F 3 "~" H 5150 2550 50  0001 C CNN
F 4 "C72041" H 5150 2550 50  0001 C CNN "LCSC"
	1    5150 2550
	0    1    -1   0   
$EndComp
Wire Wire Line
	4950 2400 4950 2200
Wire Wire Line
	4950 2200 6650 2200
Wire Wire Line
	5150 2400 5150 2300
Wire Wire Line
	5150 2300 6650 2300
Text GLabel 5400 1300 3    50   Input ~ 0
ESP32_IO0
$Comp
L Device:R_Small R21
U 1 1 613A0F9D
P 5400 1150
F 0 "R21" H 5459 1196 50  0000 L CNN
F 1 "10k" H 5459 1105 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 5400 1150 50  0001 C CNN
F 3 "~" H 5400 1150 50  0001 C CNN
F 4 "C25744" H 5400 1150 50  0001 C CNN "LCSC"
	1    5400 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	5400 1250 5400 1300
$Comp
L power:+3V3 #PWR0150
U 1 1 613A45C4
P 5400 1000
F 0 "#PWR0150" H 5400 850 50  0001 C CNN
F 1 "+3V3" H 5415 1173 50  0000 C CNN
F 2 "" H 5400 1000 50  0001 C CNN
F 3 "" H 5400 1000 50  0001 C CNN
	1    5400 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5400 1000 5400 1050
Text HLabel 6650 2500 0    50   Input ~ 0
FPGA_I2C_SDA
Text HLabel 6650 2600 0    50   Input ~ 0
FPGA_I2C_SCL
NoConn ~ 7850 1900
NoConn ~ 6650 2700
NoConn ~ 6650 2800
Wire Wire Line
	5350 2400 6650 2400
Wire Wire Line
	5350 2950 5350 3000
Wire Wire Line
	5350 2700 5350 2750
Text GLabel 6650 3400 0    50   Input ~ 0
FPGA_TMS
Text GLabel 6650 3600 0    50   Input ~ 0
FPGA_TDI
Text GLabel 6650 3700 0    50   Input ~ 0
FPGA_TDO
Text GLabel 6650 3800 0    50   Input ~ 0
FPGA_TCK
$Comp
L Device:D_Schottky D27
U 1 1 6032D6A5
P 4000 2250
F 0 "D27" V 3954 2330 50  0000 L CNN
F 1 "MBRA340T" V 4045 2330 50  0000 L CNN
F 2 "Diode_SMD:D_SMA" H 4000 2250 50  0001 C CNN
F 3 "~" H 4000 2250 50  0001 C CNN
F 4 "C26178" H 4000 2250 50  0001 C CNN "LCSC"
	1    4000 2250
	0    1    1    0   
$EndComp
$Comp
L power:+5V #PWR0161
U 1 1 6032DF88
P 4000 2100
F 0 "#PWR0161" H 4000 1950 50  0001 C CNN
F 1 "+5V" H 4015 2273 50  0000 C CNN
F 2 "" H 4000 2100 50  0001 C CNN
F 3 "" H 4000 2100 50  0001 C CNN
	1    4000 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4000 2400 4000 2450
Wire Wire Line
	2300 2150 3200 2150
Wire Wire Line
	4850 1300 4950 1300
$Comp
L power:+3V3 #PWR0175
U 1 1 6035B9AD
P 4950 1000
F 0 "#PWR0175" H 4950 850 50  0001 C CNN
F 1 "+3V3" H 4965 1173 50  0000 C CNN
F 2 "" H 4950 1000 50  0001 C CNN
F 3 "" H 4950 1000 50  0001 C CNN
	1    4950 1000
	1    0    0    -1  
$EndComp
Text GLabel 4600 1300 0    50   Input ~ 0
ESP32_EN
Text GLabel 7850 2000 2    50   Input ~ 0
ESP32_CS1
Text GLabel 7850 3400 2    50   Input ~ 0
ESP32_CS2
$Comp
L Device:R_Small R15
U 1 1 611331F0
P 4750 1300
F 0 "R15" H 4809 1346 50  0000 L CNN
F 1 "1k" H 4809 1255 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 4750 1300 50  0001 C CNN
F 3 "~" H 4750 1300 50  0001 C CNN
F 4 "C11702" H 4750 1300 50  0001 C CNN "LCSC"
	1    4750 1300
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R1
U 1 1 60379925
P 4950 1150
F 0 "R1" H 5009 1196 50  0000 L CNN
F 1 "10k" H 5009 1105 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 4950 1150 50  0001 C CNN
F 3 "~" H 4950 1150 50  0001 C CNN
F 4 "C25744" H 4950 1150 50  0001 C CNN "LCSC"
	1    4950 1150
	1    0    0    -1  
$EndComp
Connection ~ 4950 1300
NoConn ~ 7850 3300
Wire Wire Line
	4950 1250 4950 1300
Wire Wire Line
	4950 1000 4950 1050
Wire Wire Line
	4600 1300 4650 1300
Wire Wire Line
	4000 2450 4000 2600
Connection ~ 4000 2450
Wire Wire Line
	4000 2800 4000 2850
Wire Wire Line
	3700 2450 4000 2450
Wire Wire Line
	2950 2750 2950 2600
Wire Wire Line
	2950 2600 3000 2600
Wire Wire Line
	2950 3650 3000 3650
Text Label 8350 3500 0    50   ~ 0
USB_D+
Wire Wire Line
	7850 3500 8350 3500
Wire Wire Line
	7850 3600 8350 3600
Wire Wire Line
	6550 2100 6650 2100
Text GLabel 6550 2100 0    50   Input ~ 0
FLASH_CS#
Wire Wire Line
	8400 1550 8400 1600
Connection ~ 8400 1550
Wire Wire Line
	8400 1550 8600 1550
$Comp
L power:+3V3 #PWR0143
U 1 1 611276FF
P 8400 1200
F 0 "#PWR0143" H 8400 1050 50  0001 C CNN
F 1 "+3V3" H 8415 1373 50  0000 C CNN
F 2 "" H 8400 1200 50  0001 C CNN
F 3 "" H 8400 1200 50  0001 C CNN
	1    8400 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	8400 1200 8400 1250
Wire Wire Line
	8400 1250 8600 1250
Wire Wire Line
	8600 1250 8600 1300
Connection ~ 8400 1250
Wire Wire Line
	8400 1250 8400 1300
$EndSCHEMATC