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0d2355b5e8416f90bc67efa78c4909cfd7442a00
muziekdoos/CAD/Leo_muziekdoos/_autosave-CPU.sch
Willem Oldemans 0d2355b5e8 initial
2021-07-25 22:40:39 +02:00

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 5 5
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L MCU_ST_STM32F4:STM32F411CEUx U?
U 1 1 60FFEB11
P 6050 3700
F 0 "U?" H 6000 5381 50 0000 C CNN
F 1 "STM32F411CEUx" H 6000 5290 50 0000 C CNN
F 2 "Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm" H 5450 2200 50 0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00115249.pdf" H 6050 3700 50 0001 C CNN
1 6050 3700
1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 6100069C
P 4200 2850
F 0 "R?" H 4270 2896 50 0000 L CNN
F 1 "10K" H 4270 2805 50 0000 L CNN
F 2 "" V 4130 2850 50 0001 C CNN
F 3 "~" H 4200 2850 50 0001 C CNN
1 4200 2850
1 0 0 -1
$EndComp
Wire Wire Line
4200 2700 4200 2600
Wire Wire Line
4200 2600 4100 2600
$Comp
L power:GND #PWR?
U 1 1 61001984
P 4200 3150
F 0 "#PWR?" H 4200 2900 50 0001 C CNN
F 1 "GND" H 4205 2977 50 0000 C CNN
F 2 "" H 4200 3150 50 0001 C CNN
F 3 "" H 4200 3150 50 0001 C CNN
1 4200 3150
1 0 0 -1
$EndComp
Wire Wire Line
4200 3150 4200 3000
$Comp
L Device:C C?
U 1 1 61002670
P 3750 2850
F 0 "C?" H 3865 2896 50 0000 L CNN
F 1 "1uF" H 3865 2805 50 0000 L CNN
F 2 "" H 3788 2700 50 0001 C CNN
F 3 "~" H 3750 2850 50 0001 C CNN
1 3750 2850
1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 61002EAD
P 3750 2100
F 0 "R?" H 3820 2146 50 0000 L CNN
F 1 "10K" H 3820 2055 50 0000 L CNN
F 2 "" V 3680 2100 50 0001 C CNN
F 3 "~" H 3750 2100 50 0001 C CNN
1 3750 2100
1 0 0 -1
$EndComp
Wire Wire Line
5350 2400 3750 2400
Wire Wire Line
3750 2400 3750 2700
Wire Wire Line
3750 2400 3750 2250
Connection ~ 3750 2400
$Comp
L power:GND #PWR?
U 1 1 6100381E
P 3750 3150
F 0 "#PWR?" H 3750 2900 50 0001 C CNN
F 1 "GND" H 3755 2977 50 0000 C CNN
F 2 "" H 3750 3150 50 0001 C CNN
F 3 "" H 3750 3150 50 0001 C CNN
1 3750 3150
1 0 0 -1
$EndComp
Wire Wire Line
3750 3150 3750 3000
$Comp
L power:+3V3 #PWR?
U 1 1 6100409A
P 3750 1850
F 0 "#PWR?" H 3750 1700 50 0001 C CNN
F 1 "+3V3" H 3765 2023 50 0000 C CNN
F 2 "" H 3750 1850 50 0001 C CNN
F 3 "" H 3750 1850 50 0001 C CNN
1 3750 1850
1 0 0 -1
$EndComp
Wire Wire Line
3750 1850 3750 1950
$Comp
L power:+3V3 #PWR?
U 1 1 610048A5
P 6300 1500
F 0 "#PWR?" H 6300 1350 50 0001 C CNN
F 1 "+3V3" H 6315 1673 50 0000 C CNN
F 2 "" H 6300 1500 50 0001 C CNN
F 3 "" H 6300 1500 50 0001 C CNN
1 6300 1500
1 0 0 -1
$EndComp
$Comp
L Diode:BAT54C D?
U 1 1 6100517A
P 5850 1600
F 0 "D?" H 5850 1825 50 0000 C CNN
F 1 "BAT54C" H 5850 1734 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 5925 1725 50 0001 L CNN
F 3 "http://www.diodes.com/_files/datasheets/ds11005.pdf" H 5770 1600 50 0001 C CNN
1 5850 1600
1 0 0 -1
$EndComp
Wire Wire Line
5850 1800 5850 2200
Wire Wire Line
6300 1500 6300 1600
Wire Wire Line
6300 1600 6250 1600
Wire Wire Line
5950 2200 5950 2000
Wire Wire Line
5950 2000 6050 2000
Wire Wire Line
6250 2000 6250 2200
Wire Wire Line
6050 2200 6050 2000
Connection ~ 6050 2000
Wire Wire Line
6050 2000 6150 2000
Wire Wire Line
6150 2200 6150 2000
Connection ~ 6150 2000
Wire Wire Line
6150 2000 6250 2000
Wire Wire Line
6250 2000 6250 1600
Connection ~ 6250 2000
Connection ~ 6250 1600
Wire Wire Line
6250 1600 6150 1600
$Comp
L power:+BATT #PWR?
U 1 1 6100A7DE
P 5350 1500
F 0 "#PWR?" H 5350 1350 50 0001 C CNN
F 1 "+BATT" 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 1600
Wire Wire Line
5350 1600 5550 1600
$Comp
L dk_USB-DVI-HDMI-Connectors:CX70M-24P1 J?
U 1 1 61011530
P 1300 1350
F 0 "J?" H 1300 2385 50 0000 C CNN
F 1 "CX70M-24P1" H 1300 2294 50 0000 C CNN
F 2 "digikey-footprints:USB-C_Female_CX70M-24P1" H 1500 1550 60 0001 L CNN
F 3 "https://www.hirose.com/product/document?clcode=CL0480-0304-0-00&productname=CX70M-24P1&series=CX&documenttype=2DDrawing&lang=en&documentid=D141189_en" H 1500 1650 60 0001 L CNN
F 4 "H125292CT-ND" H 1500 1750 60 0001 L CNN "Digi-Key_PN"
F 5 "CX70M-24P1" H 1500 1850 60 0001 L CNN "MPN"
F 6 "Connectors, Interconnects" H 1500 1950 60 0001 L CNN "Category"
F 7 "USB, DVI, HDMI Connectors" H 1500 2050 60 0001 L CNN "Family"
F 8 "https://www.hirose.com/product/document?clcode=CL0480-0304-0-00&productname=CX70M-24P1&series=CX&documenttype=2DDrawing&lang=en&documentid=D141189_en" H 1500 2150 60 0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/hirose-electric-co-ltd/CX70M-24P1/H125292CT-ND/6036267" H 1500 2250 60 0001 L CNN "DK_Detail_Page"
F 10 "CONN RCPT USB3.0 TYPEC 24POS SMD" H 1500 2350 60 0001 L CNN "Description"
F 11 "Hirose Electric Co Ltd" H 1500 2450 60 0001 L CNN "Manufacturer"
F 12 "Active" H 1500 2550 60 0001 L CNN "Status"
1 1300 1350
1 0 0 -1
$EndComp
Text Label 7150 4700 2 50 ~ 0
USB_D-
Text Label 7150 4800 2 50 ~ 0
USB_D+
Wire Wire Line
7150 4800 6650 4800
Wire Wire Line
7150 4700 6650 4700
Text Label 7150 4900 2 50 ~ 0
SWDIO
Wire Wire Line
7150 4900 6650 4900
Text Label 7150 5000 2 50 ~ 0
SWCLK
Wire Wire Line
7150 5000 6650 5000
Text HLabel 7250 5100 2 50 Input ~ 0
NFC_TX
Text HLabel 4700 4300 0 50 Input ~ 0
NFC_RX
Wire Wire Line
7200 3800 6650 3800
$Comp
L Connector:Micro_SD_Card J?
U 1 1 61021D75
P 9950 6800
F 0 "J?" H 9900 7517 50 0000 C CNN
F 1 "Micro_SD_Card" H 9900 7426 50 0000 C CNN
F 2 "Connector_Card:microSD_HC_Wuerth_693072010801" H 11100 7100 50 0001 C CNN
F 3 "http://katalog.we-online.de/em/datasheet/693072010801.pdf" H 9950 6800 50 0001 C CNN
1 9950 6800
1 0 0 -1
$EndComp
Text Label 8650 6600 0 50 ~ 0
SDIO_D3
Text Label 8650 6500 0 50 ~ 0
SDIO_D2
Text Label 8650 6700 0 50 ~ 0
SDIO_CMD
Text Label 8650 6900 0 50 ~ 0
SDIO_CLK
Text Label 8650 7100 0 50 ~ 0
SDIO_D0
Text Label 8650 7200 0 50 ~ 0
SDIO_D1
Wire Wire Line
8650 7200 9050 7200
Wire Wire Line
8650 6900 9050 6900
Wire Wire Line
8650 6600 9050 6600
Wire Wire Line
9050 6500 8650 6500
$Comp
L power:+3V3 #PWR?
U 1 1 61029892
P 8200 6650
F 0 "#PWR?" H 8200 6500 50 0001 C CNN
F 1 "+3V3" H 8215 6823 50 0000 C CNN
F 2 "" H 8200 6650 50 0001 C CNN
F 3 "" H 8200 6650 50 0001 C CNN
1 8200 6650
1 0 0 -1
$EndComp
Wire Wire Line
8200 6650 8200 6700
$Comp
L power:GND #PWR?
U 1 1 6102AB3A
P 8300 7250
F 0 "#PWR?" H 8300 7000 50 0001 C CNN
F 1 "GND" H 8305 7077 50 0000 C CNN
F 2 "" H 8300 7250 50 0001 C CNN
F 3 "" H 8300 7250 50 0001 C CNN
1 8300 7250
1 0 0 -1
$EndComp
Wire Wire Line
8300 7250 8300 7050
Wire Wire Line
8300 7000 9050 7000
$Comp
L Device:R R?
U 1 1 6102C3B6
P 7800 6900
F 0 "R?" H 7870 6946 50 0000 L CNN
F 1 "47K" H 7870 6855 50 0000 L CNN
F 2 "" V 7730 6900 50 0001 C CNN
F 3 "~" H 7800 6900 50 0001 C CNN
1 7800 6900
1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 6102D76C
P 7500 6900
F 0 "R?" H 7570 6946 50 0000 L CNN
F 1 "47K" H 7570 6855 50 0000 L CNN
F 2 "" V 7430 6900 50 0001 C CNN
F 3 "~" H 7500 6900 50 0001 C CNN
1 7500 6900
1 0 0 -1
$EndComp
Wire Wire Line
7800 6750 7800 6700
Wire Wire Line
7800 6700 8200 6700
Wire Wire Line
7500 6750 7500 6700
Wire Wire Line
7500 6700 7800 6700
Connection ~ 7800 6700
Wire Wire Line
7800 7050 7800 7350
Wire Wire Line
7500 7200 7500 7050
$Comp
L Device:C C?
U 1 1 61030FF9
P 8200 6900
F 0 "C?" H 8315 6946 50 0000 L CNN
F 1 "100nF" H 8315 6855 50 0000 L CNN
F 2 "" H 8238 6750 50 0001 C CNN
F 3 "~" H 8200 6900 50 0001 C CNN
1 8200 6900
1 0 0 -1
$EndComp
Wire Wire Line
8650 6700 9050 6700
Wire Wire Line
8650 7100 9050 7100
Text Label 7500 7200 2 50 ~ 0
SDIO_D0
Wire Wire Line
8200 6750 8200 6700
Connection ~ 8200 6700
Wire Wire Line
8200 7050 8300 7050
Connection ~ 8300 7050
Wire Wire Line
8300 7050 8300 7000
Text Label 7150 4400 2 50 ~ 0
SDIO_D1
Text Label 4750 4400 0 50 ~ 0
SDIO_D0
Text Label 7150 4500 2 50 ~ 0
SDIO_D2
Text Label 4750 4200 0 50 ~ 0
SDIO_D3
Text Label 7150 4200 2 50 ~ 0
SDIO_CMD
Text Label 4750 5100 0 50 ~ 0
SDIO_CLK
Wire Wire Line
6650 4200 7150 4200
Wire Wire Line
7150 4400 6650 4400
Wire Wire Line
7150 4500 6650 4500
Wire Wire Line
5350 5100 4750 5100
Wire Wire Line
4750 4200 5350 4200
Wire Wire Line
4750 4400 5350 4400
Wire Wire Line
9050 6800 8300 6800
Wire Wire Line
8300 6800 8300 6700
Wire Wire Line
8300 6700 8200 6700
Text Label 7800 7350 2 50 ~ 0
SDIO_CMD
Text HLabel 3600 2400 0 50 Input ~ 0
NRST
Wire Wire Line
3600 2400 3750 2400
$Comp
L Connector:TestPoint_Small TP?
U 1 1 6106B619
P 4100 2600
F 0 "TP?" H 3950 2700 50 0000 L CNN
F 1 "BOOT0" H 4100 2700 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D2.0mm" H 4300 2600 50 0001 C CNN
F 3 "~" H 4300 2600 50 0001 C CNN
1 4100 2600
1 0 0 -1
$EndComp
Connection ~ 4200 2600
Wire Wire Line
4200 2600 5350 2600
Text Label 7150 5100 2 50 ~ 0
TX1
$Comp
L Device:C_Polarized C?
U 1 1 610728EA
P 4600 2950
F 0 "C?" H 4718 2996 50 0000 L CNN
F 1 "4u7F" H 4718 2905 50 0000 L CNN
F 2 "" H 4638 2800 50 0001 C CNN
F 3 "~" H 4600 2950 50 0001 C CNN
1 4600 2950
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 61072E5F
P 4600 3150
F 0 "#PWR?" H 4600 2900 50 0001 C CNN
F 1 "GND" H 4605 2977 50 0000 C CNN
F 2 "" H 4600 3150 50 0001 C CNN
F 3 "" H 4600 3150 50 0001 C CNN
1 4600 3150
1 0 0 -1
$EndComp
Wire Wire Line
4600 3100 4600 3150
Wire Wire Line
5350 2800 4600 2800
$Comp
L power:GND #PWR?
U 1 1 6107B770
P 600 1900
F 0 "#PWR?" H 600 1650 50 0001 C CNN
F 1 "GND" V 605 1772 50 0000 R CNN
F 2 "" H 600 1900 50 0001 C CNN
F 3 "" H 600 1900 50 0001 C CNN
1 600 1900
0 1 1 0
$EndComp
$Comp
L power:GND #PWR?
U 1 1 6107BF0B
P 1950 1900
F 0 "#PWR?" H 1950 1650 50 0001 C CNN
F 1 "GND" V 1955 1772 50 0000 R CNN
F 2 "" H 1950 1900 50 0001 C CNN
F 3 "" H 1950 1900 50 0001 C CNN
1 1950 1900
0 -1 -1 0
$EndComp
Wire Wire Line
1950 800 1800 800
Wire Wire Line
800 800 600 800
Wire Wire Line
800 1900 600 1900
Wire Wire Line
1800 1900 1950 1900
Wire Wire Line
800 1600 600 1600
$Comp
L power:VBUS #PWR?
U 1 1 6108C4A1
P 1950 1100
F 0 "#PWR?" H 1950 950 50 0001 C CNN
F 1 "VBUS" V 1965 1228 50 0000 L CNN
F 2 "" H 1950 1100 50 0001 C CNN
F 3 "" H 1950 1100 50 0001 C CNN
1 1950 1100
0 1 1 0
$EndComp
NoConn ~ 1800 900
NoConn ~ 1800 1000
NoConn ~ 1800 1700
NoConn ~ 1800 1800
NoConn ~ 800 1700
NoConn ~ 800 1800
NoConn ~ 800 900
NoConn ~ 800 1000
Text Label 2250 1400 2 50 ~ 0
USB_D-
Text Label 2250 1300 2 50 ~ 0
USB_D+
Wire Wire Line
2250 1400 1800 1400
Wire Wire Line
2250 1300 1800 1300
Wire Wire Line
1800 1100 1950 1100
$Comp
L power:VBUS #PWR?
U 1 1 610B53CF
P 1950 1600
F 0 "#PWR?" H 1950 1450 50 0001 C CNN
F 1 "VBUS" V 1965 1728 50 0000 L CNN
F 2 "" H 1950 1600 50 0001 C CNN
F 3 "" H 1950 1600 50 0001 C CNN
1 1950 1600
0 1 1 0
$EndComp
Wire Wire Line
1800 1600 1950 1600
$Comp
L power:VBUS #PWR?
U 1 1 6108796A
P 600 1100
F 0 "#PWR?" H 600 950 50 0001 C CNN
F 1 "VBUS" V 615 1227 50 0000 L CNN
F 2 "" H 600 1100 50 0001 C CNN
F 3 "" H 600 1100 50 0001 C CNN
1 600 1100
0 -1 -1 0
$EndComp
Wire Wire Line
600 1100 800 1100
$Comp
L power:VBUS #PWR?
U 1 1 610D467C
P 600 1600
F 0 "#PWR?" H 600 1450 50 0001 C CNN
F 1 "VBUS" V 615 1727 50 0000 L CNN
F 2 "" H 600 1600 50 0001 C CNN
F 3 "" H 600 1600 50 0001 C CNN
1 600 1600
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR?
U 1 1 610D8717
P 600 800
F 0 "#PWR?" H 600 550 50 0001 C CNN
F 1 "GND" V 605 672 50 0000 R CNN
F 2 "" H 600 800 50 0001 C CNN
F 3 "" H 600 800 50 0001 C CNN
1 600 800
0 1 1 0
$EndComp
$Comp
L power:GND #PWR?
U 1 1 610E0B91
P 1950 800
F 0 "#PWR?" H 1950 550 50 0001 C CNN
F 1 "GND" V 1955 672 50 0000 R CNN
F 2 "" H 1950 800 50 0001 C CNN
F 3 "" H 1950 800 50 0001 C CNN
1 1950 800
0 -1 -1 0
$EndComp
Text Label 500 1300 0 50 ~ 0
USB_D-
Text Label 500 1400 0 50 ~ 0
USB_D+
Wire Wire Line
500 1400 800 1400
Wire Wire Line
800 1300 500 1300
$Comp
L Device:R R?
U 1 1 610F090D
P 2500 2150
F 0 "R?" H 2570 2196 50 0000 L CNN
F 1 "10K" H 2570 2105 50 0000 L CNN
F 2 "" V 2430 2150 50 0001 C CNN
F 3 "~" H 2500 2150 50 0001 C CNN
1 2500 2150
1 0 0 -1
$EndComp
Wire Wire Line
2500 2000 2500 1200
Wire Wire Line
2500 1200 1800 1200
$Comp
L Device:R R?
U 1 1 610F39C9
P 150 2150
F 0 "R?" H 220 2196 50 0000 L CNN
F 1 "10K" H 220 2105 50 0000 L CNN
F 2 "" V 80 2150 50 0001 C CNN
F 3 "~" H 150 2150 50 0001 C CNN
1 150 2150
1 0 0 -1
$EndComp
Wire Wire Line
150 2000 150 1500
Wire Wire Line
150 1500 800 1500
$Comp
L power:GND #PWR?
U 1 1 610F9ECE
P 2500 2350
F 0 "#PWR?" H 2500 2100 50 0001 C CNN
F 1 "GND" H 2505 2177 50 0000 C CNN
F 2 "" H 2500 2350 50 0001 C CNN
F 3 "" H 2500 2350 50 0001 C CNN
1 2500 2350
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 610FA564
P 150 2350
F 0 "#PWR?" H 150 2100 50 0001 C CNN
F 1 "GND" H 155 2177 50 0000 C CNN
F 2 "" H 150 2350 50 0001 C CNN
F 3 "" H 150 2350 50 0001 C CNN
1 150 2350
1 0 0 -1
$EndComp
Wire Wire Line
150 2350 150 2300
Wire Wire Line
2500 2350 2500 2300
$Comp
L power:GND #PWR?
U 1 1 6110B364
P 1100 2350
F 0 "#PWR?" H 1100 2100 50 0001 C CNN
F 1 "GND" H 1105 2177 50 0000 C CNN
F 2 "" H 1100 2350 50 0001 C CNN
F 3 "" H 1100 2350 50 0001 C CNN
1 1100 2350
1 0 0 -1
$EndComp
Wire Wire Line
1100 2350 1100 2300
NoConn ~ 1800 1500
NoConn ~ 800 1200
Text Label 4950 3000 0 50 ~ 0
HS_OSC0
Text Label 4950 3100 0 50 ~ 0
HS_OSC1
Wire Wire Line
4950 3100 5350 3100
Wire Wire Line
5350 3000 4950 3000
Text Label 1750 3850 2 50 ~ 0
HS_OSC1
Text Label 450 3850 0 50 ~ 0
HS_OSC0
$Comp
L Device:Crystal_GND24 Y?
U 1 1 6111F0CA
P 1100 3850
F 0 "Y?" H 1300 3650 50 0000 R CNN
F 1 "24Mhz" H 1000 3600 50 0000 R CNN
F 2 "" H 1100 3850 50 0001 C CNN
F 3 "~" H 1100 3850 50 0001 C CNN
1 1100 3850
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 61120128
P 1100 3450
F 0 "#PWR?" H 1100 3200 50 0001 C CNN
F 1 "GND" H 1105 3277 50 0000 C CNN
F 2 "" H 1100 3450 50 0001 C CNN
F 3 "" H 1100 3450 50 0001 C CNN
1 1100 3450
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 61120856
P 1100 4400
F 0 "#PWR?" H 1100 4150 50 0001 C CNN
F 1 "GND" H 1105 4227 50 0000 C CNN
F 2 "" H 1100 4400 50 0001 C CNN
F 3 "" H 1100 4400 50 0001 C CNN
1 1100 4400
1 0 0 -1
$EndComp
$Comp
L Device:C C?
U 1 1 61120E61
P 850 4100
F 0 "C?" H 965 4146 50 0000 L CNN
F 1 "22pF" H 965 4055 50 0000 L CNN
F 2 "" H 888 3950 50 0001 C CNN
F 3 "~" H 850 4100 50 0001 C CNN
1 850 4100
-1 0 0 1
$EndComp
$Comp
L Device:C C?
U 1 1 61122664
P 1350 4100
F 0 "C?" H 1465 4146 50 0000 L CNN
F 1 "22pF" H 1465 4055 50 0000 L CNN
F 2 "" H 1388 3950 50 0001 C CNN
F 3 "~" H 1350 4100 50 0001 C CNN
1 1350 4100
1 0 0 -1
$EndComp
Wire Wire Line
850 4250 850 4350
Wire Wire Line
1100 4400 1100 4350
Wire Wire Line
850 3950 850 3850
Connection ~ 1100 4350
Wire Wire Line
1100 4350 1100 4050
Wire Wire Line
1350 4250 1350 4350
Wire Wire Line
1350 4350 1100 4350
Wire Wire Line
1350 3950 1350 3850
Wire Wire Line
1350 3850 1250 3850
Wire Wire Line
1100 3650 1100 3450
Wire Wire Line
1750 3850 1350 3850
Connection ~ 1350 3850
Connection ~ 850 3850
Wire Wire Line
850 3850 950 3850
Wire Wire Line
850 4350 1100 4350
Wire Wire Line
450 3850 850 3850
Text Label 4750 3900 0 50 ~ 0
BOOT1
Wire Wire Line
4750 3900 5350 3900
Text Label 3250 3900 2 50 ~ 0
BOOT1
$Comp
L Device:R R?
U 1 1 61177E61
P 2950 4100
F 0 "R?" H 3020 4146 50 0000 L CNN
F 1 "10K" H 3020 4055 50 0000 L CNN
F 2 "" V 2880 4100 50 0001 C CNN
F 3 "~" H 2950 4100 50 0001 C CNN
1 2950 4100
1 0 0 -1
$EndComp
Wire Wire Line
3250 3900 2950 3900
Wire Wire Line
2950 3900 2950 3950
$Comp
L power:GND #PWR?
U 1 1 6117BC40
P 2950 4300
F 0 "#PWR?" H 2950 4050 50 0001 C CNN
F 1 "GND" H 2955 4127 50 0000 C CNN
F 2 "" H 2950 4300 50 0001 C CNN
F 3 "" H 2950 4300 50 0001 C CNN
1 2950 4300
1 0 0 -1
$EndComp
Wire Wire Line
2950 4300 2950 4250
Text Label 7150 4000 2 50 ~ 0
I2S3_WS
Text Label 7650 4200 0 50 ~ 0
I2S2_MCK
Text Label 4750 4300 0 50 ~ 0
RX1
Wire Wire Line
4700 4300 5350 4300
Wire Wire Line
7250 5100 6650 5100
Text Label 4750 4700 0 50 ~ 0
I2S3_MCK
Text HLabel 7200 4000 2 50 Input ~ 0
DAC_LRCK
Wire Wire Line
6650 4000 7200 4000
Wire Wire Line
4700 4700 5350 4700
Text HLabel 4700 4700 0 50 Input ~ 0
DAC_BCK
$EndSCHEMATC
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