wifi.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 7 11
Title "ULX3S"
Date ""
Rev "1.0.9"
Comp "EMARD"
Comment1 "WIFI module ESP32"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text GLabel 7100 4500 3    60   Input ~ 0
SD_D0
Text GLabel 7550 3950 2    60   Input ~ 0
SD_D1
Text GLabel 6300 4500 3    60   Input ~ 0
SD_D3
Text GLabel 7000 4500 3    60   Input ~ 0
SD_CMD
Text GLabel 5700 3950 0    60   Input ~ 0
SD_CLK
Text GLabel 5700 4050 0    60   Input ~ 0
SD_D2
Text GLabel 7550 3150 2    60   Input ~ 0
WIFI_RXD
Text GLabel 7550 3050 2    60   Input ~ 0
WIFI_TXD
Text GLabel 7550 4050 2    60   Input ~ 0
WIFI_GPIO0
Text GLabel 7550 2850 2    60   Input ~ 0
JTAG_TDI
Text GLabel 5700 3250 0    60   Input ~ 0
JTAG_TDO
Text GLabel 7550 3550 2    60   Input ~ 0
JTAG_TCK
Text GLabel 7550 3650 2    60   Input ~ 0
JTAG_TMS
$Comp
L esp32:ESP32-WROOM-WROVER U9
U 1 1 58E5662B
P 6650 3450
AR Path="/58E5662B" Ref="U9"  Part="1" 
AR Path="/58D6D447/58E5662B" Ref="U9"  Part="1" 
F 0 "U9" H 5950 4700 60  0000 C CNN
F 1 "ESP32" H 7200 4700 60  0000 C CNN
F 2 "ESP32:ESP32" H 7000 4800 60  0001 C CNN
F 3 "https://www.espressif.com/sites/default/files/documentation/esp32-wrover-e_esp32-wrover-ie_datasheet_en.pdf" H 6200 3900 60  0001 C CNN
F 4 "espressif.com" H 6650 3450 60  0001 C CNN "MNF1_URL"
F 5 "ESP32-WROVER-E" H 6650 3450 60  0001 C CNN "MPN"
F 6 "356-ESP32WRVE22864PC" H 6650 3450 50  0001 C CNN "Mouser"
F 7 "356-ESPWROOM3216MB" H 6650 3450 50  0001 C CNN "Mouse_r1"
F 8 "356-ESP-WROOM-32 " H 6650 3450 50  0001 C CNN "Mouse_r2"
F 9 "3.32€" H 6650 3450 50  0001 C CNN "price100_Mouser"
F 10 "1965-ESP32-WROVER-B(16MB)CT-ND" H 6650 3450 50  0001 C CNN "Digikey"
F 11 "1904-1010-1-ND" H 6650 3450 50  0001 C CNN "Digike_y2"
F 12 "C529589" H 6650 3450 50  0001 C CNN "LCSC"
F 13 "C529581" H 6650 3450 50  0001 C CNN "LCS_C2"
F 14 "Leave empty" H 6650 3450 50  0001 C CNN "LowCost"
F 15 "FU001" H 6650 3450 50  0001 C CNN "Koncar"
	1    6650 3450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0120
U 1 1 58E56E8D
P 5300 2750
F 0 "#PWR0120" H 5300 2500 50  0001 C CNN
F 1 "GND" H 5300 2600 50  0000 C CNN
F 2 "" H 5300 2750 50  0000 C CNN
F 3 "" H 5300 2750 50  0000 C CNN
	1    5300 2750
	0    1    1    0   
$EndComp
$Comp
L power:+3V3 #PWR0119
U 1 1 58E56EA3
P 5150 2850
F 0 "#PWR0119" H 5150 2700 50  0001 C CNN
F 1 "+3V3" H 5150 2990 50  0000 C CNN
F 2 "" H 5150 2850 50  0000 C CNN
F 3 "" H 5150 2850 50  0000 C CNN
	1    5150 2850
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5300 2750 5700 2750
Wire Wire Line
	5150 2850 5700 2850
$Comp
L power:+3V3 #PWR0117
U 1 1 58ED6C57
P 4550 2200
F 0 "#PWR0117" H 4550 2050 50  0001 C CNN
F 1 "+3V3" H 4550 2340 50  0000 C CNN
F 2 "" H 4550 2200 50  0000 C CNN
F 3 "" H 4550 2200 50  0000 C CNN
	1    4550 2200
	1    0    0    -1  
$EndComp
$Comp
L Device:R R34
U 1 1 58ED6C6D
P 4550 2350
F 0 "R34" V 4630 2350 50  0000 C CNN
F 1 "15k" V 4550 2350 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4480 2350 50  0001 C CNN
F 3 "" H 4550 2350 50  0000 C CNN
	1    4550 2350
	1    0    0    -1  
$EndComp
Text GLabel 4700 2550 2    60   Input ~ 0
WIFI_EN
Wire Wire Line
	4550 2500 4550 2550
Wire Wire Line
	4550 2550 4700 2550
Connection ~ 4550 2550
$Comp
L power:GND #PWR0118
U 1 1 58EE2982
P 4550 3500
F 0 "#PWR0118" H 4550 3250 50  0001 C CNN
F 1 "GND" H 4550 3350 50  0000 C CNN
F 2 "" H 4550 3500 50  0000 C CNN
F 3 "" H 4550 3500 50  0000 C CNN
	1    4550 3500
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x01 J3
U 1 1 58EE29FF
P 4550 3300
F 0 "J3" H 4600 3400 50  0000 C CNN
F 1 "WIFI_OFF" H 4600 3200 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 4550 2100 50  0001 C CNN
F 3 "" H 4550 2100 50  0000 C CNN
F 4 "Leave empty" H 4550 3300 60  0001 C CNN "Note"
F 5 "T" H 4550 3300 50  0001 C CNN "Side"
	1    4550 3300
	0    -1   -1   0   
$EndComp
Text Notes 9350 2850 0    60   ~ 0
Programming pins:\nTXD RXD EN GPIO0
$Comp
L Device:R R35
U 1 1 58FD4C5D
P 4550 2750
F 0 "R35" V 4630 2750 50  0000 C CNN
F 1 "549" V 4550 2750 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4480 2750 50  0001 C CNN
F 3 "" H 4550 2750 50  0000 C CNN
	1    4550 2750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C21
U 1 1 5924A09B
P 3550 2350
F 0 "C21" H 3575 2450 50  0000 L CNN
F 1 "22uF" H 3575 2250 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3588 2200 50  0001 C CNN
F 3 "" H 3550 2350 50  0000 C CNN
F 4 "www.yageo.com" H 3550 2350 50  0001 C CNN "MNF1_URL"
F 5 "CC0805ZKY5V5BB226" H 3550 2350 50  0001 C CNN "MPN"
	1    3550 2350
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0115
U 1 1 5924A1EA
P 3550 2200
F 0 "#PWR0115" H 3550 2050 50  0001 C CNN
F 1 "+3V3" H 3550 2340 50  0000 C CNN
F 2 "" H 3550 2200 50  0000 C CNN
F 3 "" H 3550 2200 50  0000 C CNN
	1    3550 2200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5924A206
P 3550 2500
F 0 "#PWR0116" H 3550 2250 50  0001 C CNN
F 1 "GND" H 3550 2350 50  0000 C CNN
F 2 "" H 3550 2500 50  0000 C CNN
F 3 "" H 3550 2500 50  0000 C CNN
	1    3550 2500
	1    0    0    -1  
$EndComp
Text Notes 5900 2050 0    60   ~ 0
WiFi and SDcard connected to\nBANK6 on "usb" sheet
Text Notes 9350 3300 0    60   ~ 0
Strapping pins\n(avoid using to avoid\nboot problems)\nGPIO0,2,4,5,12,15
Text Notes 2500 6500 0    60   ~ 0
ESP32 ADC capable pins\nGPIO36,39,34,35,32,33,25,26,27,\nGPIO14,12,13,15 - shared with HSPI/JTAG\nConnected to BANK7 on "gpio" sheet
Text Notes 3400 7150 0    60   ~ 0
ESP32 HSPI pins\nGPIO12: MISO\nGPIO13: MOSI\nGPIO14: SCK\nGPIO15: SS
Text Notes 4300 7450 0    60   ~ 0
ESP32 JTAG slave interface\nEN: TRST_N\nGPIO15: TDO\nGPIO12: TDI\nGPIO13: TCK\nGPIO14: TMS\nFLASH over JTAG\nnot yet supported.
Text Notes 2500 7150 0    60   ~ 0
ESP32 VSPI pins\nGPIO5: SS\nGPIO18: SCK\nGPIO19: MISO\nGPIO23: MOSI
Text GLabel 5700 3050 0    60   Input ~ 0
GP13
Text GLabel 5700 3550 0    60   Input ~ 0
GP12
Text GLabel 5700 3450 0    60   Input ~ 0
GN12
Text GLabel 5700 3650 0    60   Input ~ 0
WIFI_GPIO25
$Comp
L power:GND #PWR0123
U 1 1 59C1BF96
P 7650 2750
F 0 "#PWR0123" H 7650 2500 50  0001 C CNN
F 1 "GND" H 7650 2600 50  0000 C CNN
F 2 "" H 7650 2750 50  0001 C CNN
F 3 "" H 7650 2750 50  0001 C CNN
	1    7650 2750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7550 2750 7650 2750
Text GLabel 7550 2950 2    60   Input ~ 0
WIFI_GPIO22
$Comp
L power:GND #PWR0121
U 1 1 59DEDA17
P 6200 4900
F 0 "#PWR0121" H 6200 4650 50  0001 C CNN
F 1 "GND" H 6200 4750 50  0000 C CNN
F 2 "" H 6200 4900 50  0001 C CNN
F 3 "" H 6200 4900 50  0001 C CNN
	1    6200 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 4500 6200 4900
Wire Wire Line
	4550 2900 4550 2950
Wire Wire Line
	4550 2950 5700 2950
Text Label 5350 2950 0    60   ~ 0
WIFIEN
Connection ~ 4550 2950
Text Notes 1350 5300 0    60   ~ 0
GPIO12 probably should be held low at reset or disconnected\nother option is to burn flash voltage efuse for 3.3V operation\nfor GPIO2 and GPIO12 bootstrapping considerations, read\nhttps://github.com/espressif/esp-idf/tree/master/examples/storage/sd_card
Text Notes 1350 5600 0    60   ~ 0
GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus
Text Notes 1350 4800 0    60   ~ 0
SD card connected according to\nArduino->Examples->ESP32->SD_MMC_Test\nhttps://github.com/espressif/esp-idf/blob/\nmaster/examples/storage/sd_card/README.md\n
Text Notes 3150 4000 0    60   ~ 0
GN10 v1.7
Text Notes 3150 4100 0    60   ~ 0
GP9 v1.7
Text Notes 6350 5750 1    60   ~ 0
GN9 v1.7
Text Notes 7050 6350 1    60   ~ 0
WIFI_GPIO15 v1.7
Text Notes 7150 6200 1    60   ~ 0
WIFI_LED v1.7
Text GLabel 7550 3450 2    60   Input ~ 0
WIFI_GPIO19
Text Notes 8350 3800 0    60   ~ 0
NC v1.7, >=v3.1.2
Text Notes 8350 4000 0    60   ~ 0
NC v1.7
Text Notes 3150 3900 0    60   ~ 0
NC <v3.1 GP10 v1.7 GP10 <=v3.1.2
Wire Wire Line
	4550 2550 4550 2600
Wire Wire Line
	4550 2950 4550 3000
Text Notes 3150 3800 0    60   ~ 0
GP11 <v3.1 GN11 <v2.0.6
Text Notes 3150 3700 0    60   ~ 0
GN11 <v3.1 GP11 <v2.0.6
Text Notes 3150 3600 0    60   ~ 0
GP12 <v3.1 GN12 <v2.0.6
Text Notes 3150 3500 0    60   ~ 0
GN12 <v3.1 GP12 <v2.0.6
Text Notes 3150 3400 0    60   ~ 0
GP13 <v3.1 GN13 <v2.0.6
Text Notes 3750 3300 0    60   ~ 0
GP13 <v2.0.6
Text Notes 8350 3500 0    60   ~ 0
TDO <v3.1
Text Notes 3150 3300 0    60   ~ 0
GN13 <v3.1
Text GLabel 7550 3250 2    60   Input ~ 0
WIFI_GPIO21
Text GLabel 5700 3150 0    60   Input ~ 0
GN13
Text GLabel 5700 3850 0    60   Input ~ 0
WIFI_GPIO27
Text GLabel 5700 3350 0    60   Input ~ 0
WIFI_GPIO35
Text Notes 8350 3900 0    60   ~ 0
NC >=v3.1.2
NoConn ~ 7550 3750
NoConn ~ 7550 3850
Text Notes 9350 3900 0    60   ~ 0
WROVER GPIO16,17\nused internally for PSRAM
Text GLabel 5700 3750 0    60   Input ~ 0
WIFI_GPIO26
$Comp
L power:GND #PWR0146
U 1 1 5F7AEDE3
P 8750 5650
F 0 "#PWR0146" H 8750 5400 50  0001 C CNN
F 1 "GND" H 8750 5500 50  0000 C CNN
F 2 "" H 8750 5650 50  0000 C CNN
F 3 "" H 8750 5650 50  0000 C CNN
	1    8750 5650
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0148
U 1 1 5F7AEDEF
P 8350 4950
F 0 "#PWR0148" H 8350 4800 50  0001 C CNN
F 1 "+3V3" H 8350 5090 50  0000 C CNN
F 2 "" H 8350 4950 50  0000 C CNN
F 3 "" H 8350 4950 50  0000 C CNN
	1    8350 4950
	1    0    0    -1  
$EndComp
Text GLabel 9250 5000 0    60   Input ~ 0
SD_D2
Text GLabel 9250 5100 0    60   Input ~ 0
SD_D3
Text GLabel 9250 5200 0    60   Input ~ 0
SD_CMD
Text GLabel 9250 5400 0    60   Input ~ 0
SD_CLK
Text GLabel 9250 5600 0    60   Input ~ 0
SD_D0
Text GLabel 9250 5700 0    60   Input ~ 0
SD_D1
Text Notes 8250 6450 0    60   ~ 0
minimum pins for compatible mode\nSD_CLK, SD_CMD, SD_D0, SD_D3
$Comp
L Device:R R?
U 1 1 5F7AEE02
P 8350 5100
AR Path="/58DA7327/5F7AEE02" Ref="R?"  Part="1" 
AR Path="/58D6D447/5F7AEE02" Ref="R38"  Part="1" 
F 0 "R38" V 8430 5100 50  0000 C CNN
F 1 "0.47" V 8350 5100 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8280 5100 50  0001 C CNN
F 3 "" H 8350 5100 50  0000 C CNN
F 4 "CTS" V 8350 5100 50  0001 C CNN "MFG1"
F 5 "www.ctscorp.com" V 8350 5100 50  0001 C CNN "MNF1_URL"
F 6 "73L2R47J" V 8350 5100 50  0001 C CNN "MPN"
F 7 "774-73L2R47J" V 8350 5100 50  0001 C CNN "Mouser"
F 8 "73L2R47JCT-ND" V 8350 5100 50  0001 C CNN "Digikey"
F 9 "32K1357" V 8350 5100 50  0001 C CNN "Newark"
F 10 "C158884" V 8350 5100 50  0001 C CNN "LCSC"
F 11 "FR001" V 8350 5100 50  0001 C CNN "Koncar"
	1    8350 5100
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0149
U 1 1 5F7AEE08
P 8350 5650
F 0 "#PWR0149" H 8350 5400 50  0001 C CNN
F 1 "GND" H 8350 5500 50  0000 C CNN
F 2 "" H 8350 5650 50  0000 C CNN
F 3 "" H 8350 5650 50  0000 C CNN
	1    8350 5650
	1    0    0    -1  
$EndComp
Wire Wire Line
	8350 5250 8350 5300
Connection ~ 8350 5300
Text Label 8450 5300 0    60   ~ 0
SD3V3
$Comp
L Device:C C?
U 1 1 5F7AEE13
P 8350 5500
AR Path="/58DA7327/5F7AEE13" Ref="C?"  Part="1" 
AR Path="/58D6D447/5F7AEE13" Ref="C15"  Part="1" 
F 0 "C15" H 8375 5600 50  0000 L CNN
F 1 "22uF" H 8375 5400 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 8388 5350 50  0001 C CNN
F 3 "" H 8350 5500 50  0000 C CNN
F 4 "www.yageo.com" H 8350 5500 50  0001 C CNN "MNF1_URL"
F 5 "CC0805ZKY5V5BB226 " H 8350 5500 50  0001 C CNN "MPN"
	1    8350 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	8750 5500 9250 5500
Wire Wire Line
	8350 5300 9250 5300
Wire Wire Line
	8750 5500 8750 5650
Text Notes 8250 6100 0    60   ~ 0
SDcard connected to\nBANK6 on "usb" sheet
$Comp
L power:GND #PWR0150
U 1 1 5F7AEE31
P 10100 6250
F 0 "#PWR0150" H 10100 6000 50  0001 C CNN
F 1 "GND" H 10100 6100 50  0000 C CNN
F 2 "" H 10100 6250 50  0000 C CNN
F 3 "" H 10100 6250 50  0000 C CNN
	1    10100 6250
	1    0    0    -1  
$EndComp
Connection ~ 10100 6200
Wire Wire Line
	8350 5300 8350 5350
Wire Wire Line
	10100 6200 10100 6250
$Comp
L micro_sd_slide:104031-0811 SD1
U 1 1 5F864FA9
P 9950 5400
AR Path="/5F864FA9" Ref="SD1"  Part="1" 
AR Path="/58D6D447/5F864FA9" Ref="SD1"  Part="1" 
F 0 "SD1" H 9950 6065 50  0000 C CNN
F 1 "104031-0811" H 9950 5974 50  0000 C CNN
F 2 "micro-sd-schd3a0100-104031-811:SCHD3A100-104031-0811" H 9950 5400 50  0001 L BNN
F 3 "https://www.molex.com/pdm_docs/sd/1040310811_sd.pdf" H 9950 5400 50  0001 L BNN
F 4 "104031-0811" H 9950 5400 50  0001 C CNN "MPN"
F 5 "538-104031-0811" H 9950 5400 50  0001 C CNN "Mouser"
F 6 "WM6357CT-ND" H 9950 5400 50  0001 C CNN "Digikey"
F 7 "41Y0636" H 9950 5400 50  0001 C CNN "Newark"
F 8 "C585350" H 9950 5400 50  0001 C CNN "LCSC"
	1    9950 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	10100 6100 10100 6200
Wire Wire Line
	9800 6100 9800 6200
Wire Wire Line
	9800 6200 9900 6200
Wire Wire Line
	9900 6100 9900 6200
Connection ~ 9900 6200
Wire Wire Line
	9900 6200 10000 6200
Wire Wire Line
	10000 6100 10000 6200
Connection ~ 10000 6200
Wire Wire Line
	10000 6200 10100 6200
NoConn ~ 10650 5100
Wire Wire Line
	9600 6100 9600 6200
Wire Wire Line
	9600 6200 9700 6200
Connection ~ 9800 6200
Wire Wire Line
	9700 6100 9700 6200
Connection ~ 9700 6200
Wire Wire Line
	9700 6200 9800 6200
Wire Wire Line
	10200 6100 10200 6200
Wire Wire Line
	10200 6200 10100 6200
Wire Wire Line
	10200 6200 10300 6200
Wire Wire Line
	10300 6200 10300 6100
Connection ~ 10200 6200
NoConn ~ 10650 5200
NoConn ~ 10650 5300
Text Notes 8350 3700 0    60   ~ 0
NC v1.7, WIFI_GPIO5 <v3.1 LED >=3.1.2
Text GLabel 8100 4250 0    60   Input ~ 0
WIFI_GPIO0
$Comp
L power:+3V3 #PWR043
U 1 1 60AB4A06
P 8400 4250
F 0 "#PWR043" H 8400 4100 50  0001 C CNN
F 1 "+3V3" H 8400 4390 50  0000 C CNN
F 2 "" H 8400 4250 50  0000 C CNN
F 3 "" H 8400 4250 50  0000 C CNN
	1    8400 4250
	0    1    1    0   
$EndComp
$Comp
L Device:R R56
U 1 1 60AB9B55
P 8250 4250
F 0 "R56" V 8330 4250 50  0000 C CNN
F 1 "15k" V 8250 4250 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8180 4250 50  0001 C CNN
F 3 "" H 8250 4250 50  0000 C CNN
	1    8250 4250
	0    1    1    0   
$EndComp
Text Notes 7550 4650 0    60   ~ 0
R56 makes ESP32 boot at power up\nno R56: FPGA should pull up GPIO0\nand pulse EN for ESP32 to boot
$EndSCHEMATC