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2.18k
E_VDD_CPU_C1
100nF 10% 16V
E_VDD_RTC_C1
100nF 10% 16V
GND
GND
25
GPIO19/USB_D–/ADC2_CH8 USB_D– Specific use
26
GPIO20/USB_D+/ADC2_CH9 USB_D+ Specific use
24
GPIO18/ADC2_CH7/DAC_1 DAC CALIBRATION Specific Use
23
GPIO17/ADC2_CH6/DAC_2 LCD_DC_IO17
27
GPIO21 LCD_LED_IO21
28
SPI_CS1/GPIO26 SPICS1 Specific use
30
SPIHD/GPIO27 SPIHD
31
SPIWP/GPIO28 SPIWP
32
SPICS0/GPIO29 SPICS0 Specific use
33
SPICLK/GPIO30 SPICLK Specific use
34
SPIQ/GPIO31 SPIQ
35
SPID/GPIO32 SPID
38
GPIO33 TEMT6000_IO33
39
GPIO34 PLUG_PWR_3V3_EN_IO38
40
GPIO35
41
GPIO36
42
GPIO37 LCD_RST_IO37
43
GPIO38 LCD_I2C_SDA_IO38
51
GPIO45 GND
52
GPIO46 ESP_GPIO0_BOOT–DTR
E_DTR_R1
10k 3V3
36
SPICLK_N/GPIO48 x Specific use
37
SPICLK_P/GPIO47 x Specific use
29
100nF 10% 16V GND E_SPI_C2 GND 1uF 10% 50V E_SPI_C1
VDD_SPI VDD_SPI
22pF 5% 50V
21
E_XTAL32_C1 GND
GPIO15/ADC2_CH4/XTAL_32K_P<
22
GPIO16/ADC2_CH5/XTAL_32K_N<
GND 32.768Mhz 22pF+-10PPM
3 4 2 1 GND
E_XTAL32_1
E_XTAL32_C2
22pF 5% 50V
GND
22pF 5% 50V
53
XTAL_N< E_XTAL40_C2 GND
54