EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "mikroPhone WiFi ESP32-S3 adapter"
Date "2024-01-22"
Rev "4.0"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L power:GND #PWR07
U 1 1 5C506AB0
P 9900 3250
F 0 "#PWR07" H 9900 3000 50  0001 C CNN
F 1 "GND" H 9900 3100 50  0000 C CNN
F 2 "" H 9900 3250 50  0001 C CNN
F 3 "" H 9900 3250 50  0001 C CNN
	1    9900 3250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 5C506B40
P 7650 3150
F 0 "#PWR08" H 7650 2900 50  0001 C CNN
F 1 "GND" H 7650 3000 50  0000 C CNN
F 2 "" H 7650 3150 50  0001 C CNN
F 3 "" H 7650 3150 50  0001 C CNN
	1    7650 3150
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR04
U 1 1 5C506BD6
P 7200 1000
F 0 "#PWR04" H 7200 850 50  0001 C CNN
F 1 "+3.3V" H 7200 1140 50  0000 C CNN
F 2 "" H 7200 1000 50  0001 C CNN
F 3 "" H 7200 1000 50  0001 C CNN
	1    7200 1000
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 5C506C38
P 7200 1250
F 0 "C2" H 7225 1350 50  0000 L CNN
F 1 "0.1uF" H 7225 1150 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7238 1100 50  0001 C CNN
F 3 "" H 7200 1250 50  0001 C CNN
	1    7200 1250
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5C506C85
P 6900 1250
F 0 "C1" H 6925 1350 50  0000 L CNN
F 1 "22uF" H 6925 1150 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6938 1100 50  0001 C CNN
F 3 "" H 6900 1250 50  0001 C CNN
	1    6900 1250
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5C506CD9
P 6500 1950
F 0 "C3" H 6525 2050 50  0000 L CNN
F 1 "10uF" H 6525 1850 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6538 1800 50  0001 C CNN
F 3 "" H 6500 1950 50  0001 C CNN
	1    6500 1950
	1    0    0    -1  
$EndComp
$Comp
L Device:R R1
U 1 1 5C506D6E
P 6500 1550
F 0 "R1" V 6580 1550 50  0000 C CNN
F 1 "10K" V 6500 1550 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 6430 1550 50  0001 C CNN
F 3 "" H 6500 1550 50  0001 C CNN
	1    6500 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 1100 7200 1050
Connection ~ 7200 1050
Wire Wire Line
	9800 3050 9900 3050
Wire Wire Line
	9900 3050 9900 3150
Wire Wire Line
	9800 3150 9900 3150
Connection ~ 9900 3150
Wire Wire Line
	7700 2550 6750 2550
Wire Wire Line
	7700 2450 6750 2450
Text Label 6750 2550 0    55   ~ 0
UART2_RXD
Text Label 6750 2450 0    55   ~ 0
UART2_TXD
Wire Wire Line
	6900 1050 7200 1050
Wire Wire Line
	6900 1450 6900 1400
Wire Wire Line
	7200 1450 7200 1400
$Comp
L power:GND #PWR06
U 1 1 5C7D5E27
P 6500 2250
F 0 "#PWR06" H 6500 2000 50  0001 C CNN
F 1 "GND" H 6500 2100 50  0000 C CNN
F 2 "" H 6500 2250 50  0001 C CNN
F 3 "" H 6500 2250 50  0001 C CNN
	1    6500 2250
	1    0    0    -1  
$EndComp
Text Label 10650 2150 2    55   ~ 0
PCM_SYNC
Text Label 10650 2050 2    55   ~ 0
PCM_DO
Wire Wire Line
	7700 3050 7650 3050
Wire Wire Line
	9800 2050 10650 2050
Wire Wire Line
	9800 1750 10650 1750
Text Label 10650 1750 2    55   ~ 0
PCM_DI
Text Label 6750 2350 0    55   ~ 0
UART2_RI
Wire Wire Line
	7700 2350 6750 2350
Wire Wire Line
	7700 2250 6750 2250
Wire Wire Line
	9800 1650 10650 1650
Text Label 6750 2250 0    55   ~ 0
UART2_DTR
Text Label 10650 1650 2    55   ~ 0
PCM_CLK
Text Label 10650 2550 2    55   ~ 0
VSPI_SS0
Text Label 10650 2450 2    55   ~ 0
VSPI_SCK
Text Label 10650 2350 2    55   ~ 0
VSPI_MISO
Text Label 10650 2250 2    55   ~ 0
VSPI_MOSI
Wire Wire Line
	9800 2250 10650 2250
Wire Wire Line
	9800 2350 10650 2350
Wire Wire Line
	7200 1050 7450 1050
Wire Wire Line
	6900 1050 6900 1100
Wire Wire Line
	9900 3150 9900 3250
Wire Wire Line
	6900 1450 7200 1450
$Comp
L Switch:SW_Push SW1
U 1 1 5CC8732C
P 4650 3400
F 0 "SW1" H 4800 3500 50  0000 C CNN
F 1 "ESP32_RST" H 4650 3300 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_SPST_PTS810" H 4650 3600 50  0001 C CNN
F 3 "~" H 4650 3600 50  0001 C CNN
	1    4650 3400
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9800 2450 10650 2450
Text Label 5950 1750 0    60   ~ 0
ESP32_EN
$Comp
L power:GND #PWR05
U 1 1 6148BC4B
P 7200 1500
F 0 "#PWR05" H 7200 1250 50  0001 C CNN
F 1 "GND" H 7205 1327 50  0000 C CNN
F 2 "" H 7200 1500 50  0001 C CNN
F 3 "" H 7200 1500 50  0001 C CNN
	1    7200 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6500 2100 6500 2250
Wire Wire Line
	6500 1700 6500 1750
Wire Wire Line
	7200 1000 7200 1050
Wire Wire Line
	7200 1450 7200 1500
Connection ~ 7200 1450
Wire Wire Line
	7450 1650 7700 1650
Wire Wire Line
	7450 1650 7450 1050
Wire Wire Line
	6500 1400 6500 1050
Wire Wire Line
	6500 1050 6900 1050
Connection ~ 6900 1050
Wire Wire Line
	7700 1750 6500 1750
Connection ~ 6500 1750
Wire Wire Line
	6500 1750 6500 1800
Text Label 5450 3400 2    60   ~ 0
ESP32_EN
Wire Wire Line
	4850 3400 4900 3400
$Comp
L Device:C C4
U 1 1 62863E5F
P 4900 3600
F 0 "C4" H 4900 3700 50  0000 L CNN
F 1 "0.1uF" H 4900 3500 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4938 3450 50  0001 C CNN
F 3 "~" H 4900 3600 50  0001 C CNN
	1    4900 3600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR09
U 1 1 6286513F
P 4400 3850
F 0 "#PWR09" H 4400 3600 50  0001 C CNN
F 1 "GND" H 4400 3700 50  0000 C CNN
F 2 "" H 4400 3850 50  0001 C CNN
F 3 "" H 4400 3850 50  0001 C CNN
	1    4400 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 3750 4900 3800
Wire Wire Line
	4900 3800 4400 3800
Wire Wire Line
	4400 3800 4400 3850
Wire Wire Line
	4450 3400 4400 3400
Wire Wire Line
	4400 3400 4400 3800
Wire Wire Line
	4900 3450 4900 3400
Connection ~ 4900 3400
Wire Wire Line
	4900 3400 5450 3400
NoConn ~ 7700 1850
Wire Wire Line
	5950 1750 6500 1750
NoConn ~ 7700 1950
$Comp
L Connector_Generic:Conn_02x20_Odd_Even J1
U 1 1 64F71377
P 1950 2400
F 0 "J1" H 1950 3400 50  0000 C CNN
F 1 "WiFi" H 1950 1300 50  0000 C CNN
F 2 "Connector_Molex:Molex_SlimStack_55560-0401_2x20_P0.50mm_Vertical" H 1950 2400 50  0001 C CNN
F 3 "~" H 1950 2400 50  0001 C CNN
	1    1950 2400
	1    0    0    -1  
$EndComp
Text Label 3200 3100 2    55   ~ 0
PCM_DI
Text Label 700  2600 0    55   ~ 0
UART2_RI
Wire Wire Line
	1750 2600 700  2600
Wire Wire Line
	1750 2700 700  2700
Text Label 700  2700 0    55   ~ 0
UART2_DTR
Text Label 3200 3200 2    55   ~ 0
PCM_CLK
Text Label 700  3100 0    55   ~ 0
~PERST
Wire Wire Line
	1750 3100 700  3100
Text Label 3200 2900 2    55   ~ 0
PCM_SYNC
Text Label 3200 3000 2    55   ~ 0
PCM_DO
Text Label 3200 2100 2    55   ~ 0
VSPI_SS0
Text Label 3200 2200 2    55   ~ 0
VSPI_SCK
Text Label 3200 2300 2    55   ~ 0
VSPI_MISO
Text Label 3200 2400 2    55   ~ 0
VSPI_MOSI
Wire Wire Line
	3200 2100 2250 2100
Wire Wire Line
	3200 2200 2250 2200
Wire Wire Line
	3200 2300 2250 2300
Wire Wire Line
	3200 2400 2250 2400
Wire Wire Line
	2250 2900 3200 2900
Wire Wire Line
	2250 3000 3200 3000
Wire Wire Line
	2250 3100 3200 3100
Wire Wire Line
	2250 3200 3200 3200
Wire Wire Line
	1750 3200 1550 3200
Wire Wire Line
	1550 3200 1550 3300
Wire Wire Line
	1550 3300 1750 3300
Wire Wire Line
	1550 3300 1550 3400
Wire Wire Line
	1550 3400 1750 3400
Connection ~ 1550 3300
Wire Wire Line
	1750 1500 1650 1500
Wire Wire Line
	1650 1500 1650 2200
Wire Wire Line
	1750 2200 1650 2200
Connection ~ 1650 2200
Wire Wire Line
	1650 2200 1650 2500
Wire Wire Line
	1750 2500 1650 2500
Connection ~ 1650 2500
Wire Wire Line
	2250 1500 2350 1500
Wire Wire Line
	2250 2800 2350 2800
Connection ~ 2350 2800
Wire Wire Line
	2250 2500 2350 2500
Connection ~ 2350 2500
Wire Wire Line
	2350 2500 2350 2800
Connection ~ 1550 3200
$Comp
L power:+3.3V #PWR01
U 1 1 673275E9
P 1550 1200
F 0 "#PWR01" H 1550 1050 50  0001 C CNN
F 1 "+3.3V" H 1565 1373 50  0000 C CNN
F 2 "" H 1550 1200 50  0001 C CNN
F 3 "" H 1550 1200 50  0001 C CNN
	1    1550 1200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 6739FE02
P 1650 3600
F 0 "#PWR02" H 1650 3350 50  0001 C CNN
F 1 "GND" H 1650 3450 50  0000 C CNN
F 2 "" H 1650 3600 50  0001 C CNN
F 3 "" H 1650 3600 50  0001 C CNN
	1    1650 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	1650 3550 2350 3550
Wire Wire Line
	1650 3550 1650 3600
Connection ~ 1650 3550
Wire Wire Line
	700  3000 1750 3000
Wire Wire Line
	3200 3300 2250 3300
Text Label 3200 3300 2    55   ~ 0
USB_MUX_S
Text Label 700  3000 0    55   ~ 0
USB_MUX_EN
Text Label 700  2300 0    55   ~ 0
USB_D_N
Text Label 700  2400 0    55   ~ 0
USB_D_P
Wire Wire Line
	1750 2300 700  2300
Wire Wire Line
	1750 2400 700  2400
Wire Wire Line
	2350 1500 2350 1600
Wire Wire Line
	2250 1600 2350 1600
Connection ~ 2350 1600
Wire Wire Line
	1650 2500 1650 3550
Wire Wire Line
	2350 1600 2350 2000
Wire Wire Line
	2250 2000 2350 2000
Connection ~ 2350 2000
Wire Wire Line
	2350 2000 2350 2500
Wire Wire Line
	9800 2550 10650 2550
Wire Wire Line
	1550 1200 1550 1250
Text Label 3200 1700 2    55   ~ 0
WAKE
Text Label 3200 1800 2    55   ~ 0
GPIO_22
Text Label 3200 1900 2    55   ~ 0
GPIO_20
Wire Wire Line
	2250 1800 3200 1800
Wire Wire Line
	2250 1900 3200 1900
Wire Wire Line
	2250 1700 3200 1700
Text Label 3200 2600 2    55   ~ 0
UART0_RXD
Text Label 3200 2700 2    55   ~ 0
UART0_TXD
Wire Wire Line
	2250 2700 3200 2700
Wire Wire Line
	2250 2600 3200 2600
Text Label 700  1600 0    55   ~ 0
FSPI_SS0
Text Label 700  1700 0    55   ~ 0
FSPI_MOSI
Text Label 700  1800 0    55   ~ 0
FSPI_MISO
Text Label 700  1900 0    55   ~ 0
FSPI_SCK
Text Label 700  2000 0    55   ~ 0
IO27
Text Label 700  2100 0    55   ~ 0
IO26
Wire Wire Line
	700  1600 1750 1600
Wire Wire Line
	700  1700 1750 1700
Wire Wire Line
	700  1800 1750 1800
Wire Wire Line
	700  1900 1750 1900
Wire Wire Line
	700  2000 1750 2000
Wire Wire Line
	700  2100 1750 2100
Text Label 10650 2850 2    55   ~ 0
WAKE
Wire Wire Line
	9800 2850 10650 2850
Text Label 7400 3750 0    55   ~ 0
FSPI_SS0
Text Label 7400 3950 0    55   ~ 0
FSPI_MOSI
Text Label 10650 2650 2    55   ~ 0
GPIO_20
Text Label 10650 2750 2    55   ~ 0
GPIO_22
Wire Wire Line
	9800 2650 10650 2650
Wire Wire Line
	9800 2750 10650 2750
Text Label 7400 3850 0    55   ~ 0
FSPI_SCK
Text Label 7400 4050 0    55   ~ 0
FSPI_MISO
$Comp
L power:PWR_FLAG #FLG01
U 1 1 64FACFC4
P 1900 1200
F 0 "#FLG01" H 1900 1275 50  0001 C CNN
F 1 "PWR_FLAG" H 1900 1373 50  0000 C CNN
F 2 "" H 1900 1200 50  0001 C CNN
F 3 "~" H 1900 1200 50  0001 C CNN
	1    1900 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 1200 1900 1250
Wire Wire Line
	1900 1250 1550 1250
Connection ~ 1550 1250
Wire Wire Line
	1550 1250 1550 3200
$Comp
L power:PWR_FLAG #FLG02
U 1 1 64FB2C7B
P 2350 1200
F 0 "#FLG02" H 2350 1275 50  0001 C CNN
F 1 "PWR_FLAG" H 2350 1373 50  0000 C CNN
F 2 "" H 2350 1200 50  0001 C CNN
F 3 "~" H 2350 1200 50  0001 C CNN
	1    2350 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 1200 2350 1500
Connection ~ 2350 1500
$Comp
L myConn:Spacer J2
U 1 1 64EE975F
P 4650 1600
F 0 "J2" H 4730 1642 50  0000 L CNN
F 1 "Spacer" H 4730 1551 50  0000 L CNN
F 2 "footprints:Spacer_small" H 4650 1600 50  0001 C CNN
F 3 "~" H 4650 1600 50  0001 C CNN
	1    4650 1600
	1    0    0    -1  
$EndComp
$Comp
L myConn:Spacer J3
U 1 1 64EEA09B
P 4650 1800
F 0 "J3" H 4730 1842 50  0000 L CNN
F 1 "Spacer" H 4730 1751 50  0000 L CNN
F 2 "footprints:Spacer_small" H 4650 1800 50  0001 C CNN
F 3 "~" H 4650 1800 50  0001 C CNN
	1    4650 1800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR03
U 1 1 64EEA505
P 4350 1900
F 0 "#PWR03" H 4350 1650 50  0001 C CNN
F 1 "GND" H 4355 1727 50  0000 C CNN
F 2 "" H 4350 1900 50  0001 C CNN
F 3 "" H 4350 1900 50  0001 C CNN
	1    4350 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 1600 4350 1600
Wire Wire Line
	4350 1600 4350 1800
Wire Wire Line
	4450 1800 4350 1800
Connection ~ 4350 1800
Wire Wire Line
	4350 1800 4350 1900
Wire Wire Line
	9800 2150 10650 2150
$Comp
L esp:ESP32-S3-WROOM U1
U 1 1 64EF63CC
P 8750 2350
F 0 "U1" H 7950 3600 50  0000 C CNN
F 1 "ESP32-S3-WROOM" H 9250 3600 50  0000 C CNN
F 2 "footprints:Espressif_ESP32-S3-WROOM" H 8650 2350 50  0001 C CNN
F 3 "" H 8650 2350 50  0001 C CNN
	1    8750 2350
	1    0    0    -1  
$EndComp
NoConn ~ 9300 3400
Wire Wire Line
	7650 3050 7650 3150
NoConn ~ 8200 3400
Wire Wire Line
	8600 3400 8600 3950
Wire Wire Line
	8600 3950 7400 3950
Wire Wire Line
	8800 3400 8800 4050
Wire Wire Line
	8800 4050 7400 4050
Wire Wire Line
	8700 3400 8700 3850
Wire Wire Line
	8700 3850 7400 3850
Wire Wire Line
	7400 3750 8500 3750
Wire Wire Line
	8500 3750 8500 3400
Text Label 7400 3650 0    55   ~ 0
IO27
Text Label 7400 3550 0    55   ~ 0
IO26
Wire Wire Line
	7700 2050 6750 2050
Text Label 6750 2050 0    60   ~ 0
~PERST
Wire Wire Line
	9800 1950 10650 1950
Text Label 10650 1950 2    55   ~ 0
UART0_RXD
Wire Wire Line
	9800 1850 10650 1850
Text Label 10650 1850 2    55   ~ 0
UART0_TXD
Text Label 6750 2750 0    55   ~ 0
USB_D_N
Text Label 6750 2850 0    55   ~ 0
USB_D_P
Wire Wire Line
	7700 2750 6750 2750
Wire Wire Line
	7700 2850 6750 2850
Wire Wire Line
	9850 3750 8900 3750
Text Label 9850 3750 2    55   ~ 0
USB_MUX_S
Text Label 6750 2150 0    55   ~ 0
USB_MUX_EN
Wire Wire Line
	7400 3650 8400 3650
Wire Wire Line
	8400 3650 8400 3400
NoConn ~ 9200 3400
Wire Wire Line
	7700 2150 6750 2150
NoConn ~ 7700 2650
Text Label 700  2900 0    55   ~ 0
UART2_TXD
Text Label 700  2800 0    55   ~ 0
UART2_RXD
Wire Wire Line
	1750 2900 700  2900
Wire Wire Line
	1750 2800 700  2800
Connection ~ 4400 3800
Wire Wire Line
	2350 2800 2350 3550
Wire Wire Line
	2250 3400 3200 3400
Text Label 3200 3400 2    55   ~ 0
~W_DISABLE
NoConn ~ 8300 3400
Text Label 9850 3650 2    55   ~ 0
~W_DISABLE
Wire Wire Line
	8900 3400 8900 3750
Wire Wire Line
	9000 3400 9000 3650
Wire Wire Line
	9000 3650 9850 3650
Wire Wire Line
	7400 3550 9100 3550
Wire Wire Line
	9100 3550 9100 3400
$EndSCHEMATC