@ -220,9 +222,9 @@ F 3 "" H 3650 3250 50 0000 C CNN
1 3650 3250
1 3650 3250
1 0 0 -1
1 0 0 -1
$EndComp
$EndComp
Text Notes 7350 4650 0 60 ~ 0
Text Notes 5900 2050 0 60 ~ 0
WiFi and SDcard connected to\nBANK6 on "usb" sheet
WiFi and SDcard connected to\nBANK6 on "usb" sheet
Text Notes 8750 4200 0 60 ~ 0
Text Notes 9250 4650 0 60 ~ 0
Strapping pins\n(avoid using to avoid\nboot problems)\nGPIO0,2,4,5,12,15
Strapping pins\n(avoid using to avoid\nboot problems)\nGPIO0,2,4,5,12,15
Text Notes 2750 5350 0 60 ~ 0
Text Notes 2750 5350 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
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
@ -292,7 +294,9 @@ $EndComp
Wire Wire Line
Wire Wire Line
6200 4500 6200 4900
6200 4500 6200 4900
Wire Wire Line
Wire Wire Line
4550 2900 4550 3000
4550 2900 4550 2950
Wire Wire Line
4550 2950 4550 3000
Text GLabel 7550 3800 2 60 Input ~ 0
Text GLabel 7550 3800 2 60 Input ~ 0
WIFI_GPIO17
WIFI_GPIO17
Wire Wire Line
Wire Wire Line
@ -300,28 +304,92 @@ Wire Wire Line
Text Label 5350 2950 0 60 ~ 0
Text Label 5350 2950 0 60 ~ 0
WIFIEN
WIFIEN
Connection ~ 4550 2950
Connection ~ 4550 2950
Text Notes 1850 4500 0 60 ~ 0
Text Notes 1350 4500 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
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 1850 4850 0 60 ~ 0
Text Notes 1350 4800 0 60 ~ 0
GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus
GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus
Text Notes 1850 4000 0 60 ~ 0
Text Notes 1350 4000 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
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
@ -220,9 +220,9 @@ F 3 "" H 3650 3250 50 0000 C CNN
1 3650 3250
1 3650 3250
1 0 0 -1
1 0 0 -1
$EndComp
$EndComp
Text Notes 7350 4650 0 60 ~ 0
Text Notes 5900 2050 0 60 ~ 0
WiFi and SDcard connected to\nBANK6 on "usb" sheet
WiFi and SDcard connected to\nBANK6 on "usb" sheet
Text Notes 8750 4200 0 60 ~ 0
Text Notes 9250 4650 0 60 ~ 0
Strapping pins\n(avoid using to avoid\nboot problems)\nGPIO0,2,4,5,12,15
Strapping pins\n(avoid using to avoid\nboot problems)\nGPIO0,2,4,5,12,15
Text Notes 2750 5350 0 60 ~ 0
Text Notes 2750 5350 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
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
@ -300,28 +300,92 @@ Wire Wire Line
Text Label 5350 2950 0 60 ~ 0
Text Label 5350 2950 0 60 ~ 0
WIFIEN
WIFIEN
Connection ~ 4550 2950
Connection ~ 4550 2950
Text Notes 1850 4500 0 60 ~ 0
Text Notes 1350 4500 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
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 1850 4850 0 60 ~ 0
Text Notes 1350 4800 0 60 ~ 0
GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus
GPIO25,26 are DAC channels that can directly replay\naudio material over i2s bus
Text Notes 1850 4000 0 60 ~ 0
Text Notes 1350 4000 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
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