EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 5 7 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 "C107410" 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 4450 2700 F 0 "C52" V 4198 2700 50 0000 C CNN F 1 "1uF" V 4289 2700 50 0000 C CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 4488 2550 50 0001 C CNN F 3 "~" H 4450 2700 50 0001 C CNN F 4 "C28323" H 3050 1750 50 0001 C CNN "LCSC" F 5 "" H 3050 1750 50 0001 C CNN "MOUSER" F 6 "" H 3050 1750 50 0001 C CNN "MPN" F 7 "" H 4450 2700 50 0001 C CNN "Supplier" 1 4450 2700 -1 0 0 -1 $EndComp $Comp L power:GND #PWR0140 U 1 1 610EE85C P 4450 2850 F 0 "#PWR0140" H 4450 2600 50 0001 C CNN F 1 "GND" H 4455 2677 50 0000 C CNN F 2 "" H 4450 2850 50 0001 C CNN F 3 "" H 4450 2850 50 0001 C CNN 1 4450 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 8750 1400 F 0 "C55" H 8842 1446 50 0000 L CNN F 1 "100nF" H 8842 1355 50 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 8750 1400 50 0001 C CNN F 3 "~" H 8750 1400 50 0001 C CNN F 4 "C1525" H 8750 1400 50 0001 C CNN "LCSC" 1 8750 1400 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR0143 U 1 1 611276FF P 8550 1200 F 0 "#PWR0143" H 8550 1050 50 0001 C CNN F 1 "+3V3" H 8565 1373 50 0000 C CNN F 2 "" H 8550 1200 50 0001 C CNN F 3 "" H 8550 1200 50 0001 C CNN 1 8550 1200 1 0 0 -1 $EndComp $Comp L power:GND #PWR0144 U 1 1 61127D02 P 8550 1600 F 0 "#PWR0144" H 8550 1350 50 0001 C CNN F 1 "GND" H 8555 1427 50 0000 C CNN F 2 "" H 8550 1600 50 0001 C CNN F 3 "" H 8550 1600 50 0001 C CNN 1 8550 1600 1 0 0 -1 $EndComp Wire Wire Line 8400 1300 8400 1250 Wire Wire Line 8400 1250 8550 1250 Wire Wire Line 8550 1250 8550 1200 Wire Wire Line 8550 1250 8750 1250 Wire Wire Line 8750 1250 8750 1300 Connection ~ 8550 1250 Wire Wire Line 8400 1500 8400 1550 Wire Wire Line 8400 1550 8550 1550 Wire Wire Line 8550 1550 8750 1550 Wire Wire Line 8750 1550 8750 1500 Connection ~ 8550 1550 Wire Wire Line 8550 1550 8550 1600 $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 5150 2850 F 0 "R17" 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 $Comp L Device:R_Small R18 U 1 1 611B8401 P 5350 2850 F 0 "R18" 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 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 5150 2550 F 0 "D2" V 5150 2400 50 0000 L CNN F 1 "LED-G" V 5450 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 "C72043" H 5150 2550 50 0001 C CNN "LCSC" 1 5150 2550 0 1 -1 0 $EndComp $Comp L Device:LED D3 U 1 1 611D1F01 P 5350 2550 F 0 "D3" V 5350 2400 50 0000 L CNN F 1 "LED-B" V 5550 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 "C72041" H 5350 2550 50 0001 C CNN "LCSC" 1 5350 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 4450 2450 Wire Wire Line 4450 2450 4450 2600 Connection ~ 4000 2450 Wire Wire Line 4450 2800 4450 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# $EndSCHEMATC