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1 2 3 4 5 6 7 8 9 10 11 External Buttons +5VP +5V +5V Power Supply ESP-WROOM-32 MODULE Power +3.3V Sense A A R4 +5V_USB PWR_FLAG 47k/R0402 R44 PWR_FLAG BUT1 +3.3V R47 10k/R0402 R48 3 D 2 1 GPI34/BUT1 NA/R0402 FET1 +3.3V U9 GPI39 220R/R0402 IT1185AU2 WPM2015-3/TR NA/R0402 R49 1 G 2 S 2 25 GPIO0 D_Com 3V3 GPIO0/ADC2_CH1/TOUCH1/RTC_GPIO11/CLK_OUT1/EMAC_TX_CLK 1 35 GPIO1/U0TXD GND GND GPIO1/U0TXD/CLK_OUT3/EMAC_RXD2 15 24 GPIO2/HS2_DATA0 D1 R9 GND GPIO2/ADC2_CH2/TOUCH2/RTC_GPIO12/HSPIWP/HS2_DATA0/SD_DATA0 LiPo Charger A K 38 34 GPIO3/U0RXD RST1 100k/R0402 GND GPIO3/U0RXD/CLK_OUT2 2 1 26 GPIO4/U1TXD 2 1 ESP_EN D3 GPIO4/ADC2_CH0/TOUCH0/RTC_GPIO10/HSPIHD/HS2_DATA1/SD_DATA1/EMAC_TX_ER 1N5822/SS34/SMA FET2 +3.3V P-MOS 29 GPIO5/SPI_CS 1N5822/SS34/SMA IT1185AU2 GPIO5/VSPICS0/HS1_DATA6/EMAC_RX_CLK 39 20 WPM2015-3/TR GND THERMAL_PAD GPIO6/SD_CLK/SPICLK/HS1_CLK/U1CTS CHARGING GND 21 GPIO7/SD_DATA0/SPIQ/HS1_DATA0/U2RTS R32 3 22 EN GPIO8/SD_DATA1/SPID/HS1_DATA1/U2CTS CHRG1 17 1k/R0402 GPIO9/SD_DATA2/SPIHD/HS1_DATA2/U1RXD R8 PWR_FLAG +3.3V A K 32 18 NC GPIO10/SD_DATA3/SPIWP/HS1_DATA3/U1TXD 2 1 ESP_EN 19 2.2k/R0402 L2 GPIO11/SD_CMD/SPICS0/HS1_CMD/U1RTS U7 LED/YELLOW/0603 14 GPIO12/PHY_PWR 2.2uH/1.5A/DCR<0.1R/CD32 GPIO12/ADC2_CH5/TOUCH5/RTC_GPIO15/MTDI/HSPIQ/HS2_DATA2/SD_DATA2/EMAC_TXD3 4 3 16 GPIO13/I2C-SDA IN LX GPIO13/ADC2_CH4/TOUCH4/RTC_GPIO14/MTCK/HSPID/HS2_DATA3/SD_DATA3/EMAC_RX_ER SD/MMC Card 1 R29 13 GPIO14/HS2_CLK U3 EN GPIO14/ADC2_CH6/TOUCH6/RTC_GPIO16/MTMS/HSPICLK/HS2_CLK/SD_CLK/EMAC_TXD2 Ra +3.3V B BAT1 B 4 3 2 5 4.99k/1%/R0402 23 GPIO15/HS2_CMD GND FB VCC VBAT GPIO15/ADC2_CH3/TOUCH3/MTDO/HSPICS0/RTC_GPIO13/HS2_CMD/SD_CMD/EMAC_RXD3 + 1 R30 27 GPIO16/I2C-SCL PWR_FLAG PWR_FLAG Rb GPIO16/HS1_DATA4/U2RXD/EMAC_CLK_OUT PWR_FLAG C1 BATTERY SY8089AAAC(SOT23-5) 1 2 28 GPIO17/EMAC_CLK_OUT_180 1.1k/1%/R0402 CHRGb GPIO17/HS1_DATA5/U2TXD/EMAC_CLK_OUT_180 - RM3B 22uF/6.3V/20%/X5R/C0603 Vout=0.6*(1+Ra/Rb) 30 GPIO18/MDIO(RMII) 2.2 2.1 CHARGER R6 GPIO18/VSPICLK/HS1_DATA7 MICRO_SD1 2 5 DW02R 31 GPIO19/EMAC_TXD0(RMII) R39 10k/R0402 GPIO15/HS2_CMD GNDPROG Rprog GPIO19/VSPIQ/U0CTS/EMAC_TXD0 33 GPIO21/EMAC_TX_EN(RMII) GPIO15/HS2_CMD 2 2.2k/R0402 CD/DAT3/CS GPIO21/VSPIHD/EMAC_TX_EN ESP-WROOM-32 36 GPIO22/EMAC_TXD1(RMII) L5 FB0805/600R/2A 3 CMD/DI GPIO22/VSPIWP/U0RTS/EMAC_TXD1 BL4054B-42TPRN(SOT23-5) 37 GPIO23/MDC(RMII) C3 47uF/6.3V/20%/X5R/C0805 4 GPIO23/VSPID/HS1_STROBE GND VDD MODULE IBAT = 1000/Rprog = 455mA 10 GPIO25/EMAC_RXD0(RMII) 6 GPIO25/DAC_1/ADC2_CH8/RTC_GPIO6/EMAC_RXD0 GND GND GND GND GND GND GND GND GND GND GND 11 GPIO26/EMAC_RXD1(RMII) GPIO14/HS2_CLK GPIO14/HS2_CLK 10R/R0402 5 GPIO26/DAC_2/ADC2_CH9/RTC_GPIO7/EMAC_RXD1 CLK/SCLK R40 R46 12 GPIO27/EMAC_RX_CRS_DV RM3D 4.2 4.1 GPIO2/HS2_DATA0 7 DAT0/DO GPIO27/ADC2_CH7/TOUCH7/RTC_GPIO17/EMAC_RX_DV 8 GPIO32 RM3A 1.2 1.1 8 DAT1/RES GPIO32/XTAL_32K_P/ADC1_CH4/TOUCH9/RTC_GPIO9 220R/R0402 9 GPIO33 RM3C 3.2 3.1 1 GPIO33/XTAL_32K_N/ADC1_CH5/TOUCH8/RTC_GPIO8 DAT2/RES RA1206_(4X0603)_4B8_2.2kRA1206_(4X0603)_4B8_2.2kRA1206_(4X0603)_4B8_2.2kRA1206_(4X0603)_4B8_2.2k 6 GPI34/BUT1 GPIO2/HS2_DATA0 GPI34/ADC1_CH6/RTC_GPIO4 7 GPI35 CD1 GPI35/ADC1_CH7/RTC_GPIO5 Card_Detect 4 GPI36/U1RXD CH1 Card_Housing GPI36/SENSOR_VP/ADC_H/ADC1_CH0/RTC_GPIO0 5 GPI39 GPI39/SENSOR_VN/ADC1_CH3/ADC_H/RTC_GPIO3 TFC-9P-1.7H(ATFFS150A01BR016) ESP-WROOM-32 C C GND Ethernet +3.3V FET3 WPM2015-3/TR Extensions PoE Power Supply +3.3VLAN P-MOS PWR_FLAG U4 12 22 GPIO19/EMAC_TXD0(RMII) VDDIO TXD0 100nF/16V/10%/X7R/C0402 C14 23 GPIO22/EMAC_TXD1(RMII) L1 In RMII TXD1 GND Mode 24 FB0805/600R/2A PWR_FLAG GND TXD2 27 25 EXT1 EXT2 VDD1A TXD3 21 GPIO21/EMAC_TX_EN(RMII) 1 1 GPI39 PWR_FLAG +5V TXEN 1 20 2 2 GPI36/U1RXD +3.3V VDD2A TXCLK RM2A RA1206_(4X0603)_4B8_2.2k 18 1.2 1.1 3 3 GPI35 D D NINT/TXER/TXD4 GND +3.3VLAN RA1206_(4X0603)_4B8_2.2k RM2B 6 2.2 2.1 ESP_EN 4 4 GPI34/BUT1 VDDCR 11 GPIO25/EMAC_RXD0(RMII) GPIO0 5 5 GPIO33 RXD0/MODE0 10 GPIO26/EMAC_RXD1(RMII) GPIO1/U0TXD 6 6 GPIO32 RXD1/MODE1 +5VP T1 10k RM1C RA1206_(4X0603)_4B8_2.2k GPIO12/PHY_PWR 9 3.2 3.1 GPIO2/HS2_DATA0 7 7 GPIO16/I2C-SCL 250mW(50mA@5V) minimal power consumption RXD2/RMIISEL +3.3VLAN 1 DTC114YKA(SOT-23) RA1206_(4X0603)_4B8_2.2k 8 RM1B 2.2 2.1 The Input filter capacitor must be >5 F for to MPS! on the PD required for to Maintain Power Signature(MPS)! GPIO3/U0RXD 8 8 GPIO15/HS2_CMD RXD3/PHYAD2 GND 33 26 Vpos GPIO4/U1TXD 9 9 GPIO14/HS2_CLK GND RXDV RM1A RA1206_(4X0603)_4B8_2.2k 7 1.2 1.1 GPIO5/SPI_CS 10 10 GPIO13/I2C-SDA Rb RXCLK/PHYAD1 C12 RM1D 13 4.2 4.1 RA1206_(4X0603)_4B8_2.2k C27 GND RXER/RXD4/PHYAD0 15uF/100V/20%/RM2.5/6.3x11mm(Farnell:1281844) 2.2uF/100V/20%/X7R/C1206(AVX_12061C225KAT2A_Comet) NS(HN1x10) NS(HN1x10) GND 4 XTAL2 LAN_CON1 17 GPIO23/MDC(RMII) Vss GND MDC U8 1 GPIO17/EMAC_CLK_OUT_180 5 16 GPIO18/MDIO(RMII) TD+ J1 XTAL1/CLKIN MDIO 4 C25 100nF/16V/10%/X7R/C0402 3 12 TCT VDD VPOSF Ra LNK1 RM2D RA1206_(4X0603)_4B8_2.2k 2 4.2 4.1 6 LED/GREEN/0603 J2 TD- +3.3VLAN RDET R33 RM2C RA1206_(4X0603)_4B8_2.2k C26 A K 2 14 3.2 3.1 1 20 LED2/NINTSEL CRS +3.3VLAN EROUT FB 2 1 3 K A 3 RD+ LED1/REGOFF 1nF/50V/10%/X7R/C0603 47k/R0402 J3 L4 L6 1 2 ACT1 5 15 GPIO27/EMAC_RX_CRS_DV 7 18 RCT HSO SWO COL/CRS_DV/MODE2 LED/YELLOW/0603 33uH/2.1A/DCR=0.1R/20%/DBS135(PD3316MT330) FB0805/600R/2A 6 29 Vss 19 RD- VSS2 J6 TXP 28 19 R25 15 2 VOUT=1.35*(1+Ra/Rb) Single 10/100 BASE-TX 10k/R0402 2x1000pF/2KV TXN NRST +3.3VLAN VSSA NC/SSFT Filter Connector Module GND C21 NA(10uF/6.3V/20%/X5R/C0603) 7 31 4 GND/NC RXP NC/ISOSSFT E UEXT E 8 30 32 R26 5 16 NC/GND RXN RBIAS GND PLOSS NC/VPOSS J4,5 C2 0 1nF/2000V/10%/X7R/C1206 17 12.1k/1%/R0402 Shield NC/VSS1 Class=0 (0.44 to 12.95W) +3.3V +3.3V LAN8710A-EZC(QFN32) 2x75 Ohm R15 R34 9 8 11 Rclass PW+ Spare1 2.2k/R0402 RCL SP1 Spare1 10 10 J7,8 PW- Spare2 NA(49.9R/1%/R0402) SP2 Spare2 EN_CT1 Closed 9 14 1 2 VNEG CT1 EN_CT2 Closed Vneg 21 13 1 2 VNEG(PAD) CT2 RJP-003TC1(LPJ4112CNL) Si3402-B-GM(QFN-20_5x5mm) GND GND The PHY is setted up as follows: R31 2.2k/R0402 MODE: All capable(10/100Base) UEXT1 GND D4 1 2 1N5819S4(SOD-123) -Auto-negotiation enabled GPIO4/U1TXD 3 4 K A GPI36/U1RXD 1 2 GPIO16/I2C-SCL 5 6 GPIO13/I2C-SDA -RMII Configuration HSPIQ HSPID GPIO15/HS2_CMD 7 8 GPIO2/HS2_DATA0 HSPICLK GPIO14/HS2_CLK 9 10 GPIO5/SPI_CS -SMI address: 0x00 B-V-10-LF(GBH254SMT-10) F F Notes: Fiducials USB to UART Software Selectable Pins Interface Signal Pin EMAC_MDC_out Internal Bootstrapping Resistors EMAC_MDI_in Any GPIO EMAC_MDO_out EMAC MTDI/GPIO12: Pull-Down +3.3V EMAC_CRS_out GPIO0: Pull-Up EMAC_COL_out U1 USB-UART1 22uF/6.3V/20%/X5R/C0603 C7 R18 220R/R0402 19 3 GPIO3/U0RXD G I2CEXT0_SCL_in GPIO2: Pull-Down G VCC TXD MISB-SWMM-5B-LF(USB_MICRO) GND 100nF/16V/10%/X7R/C0402 C8 R19 220R/R0402 5 4 GPIO1/U0TXD V3 RXD I2CEXT0_SDA_in GND GPIO4: Pull-Down ESP_EN I2CEXT1_SCL_in 8 16 MTDO/GPIO15: Pull-Up I2CEXT1_SDA_in GND GND RTS# 1 +5V_USB 11 I2C Any GPIO I2CEXT0_SCL_out VBUS CTS# R20 GPIO5: Pull-Up Auto program Q2 FID1 FID2 FID3 2 7 15 I2CEXT0_SDA_out D- UD- DTR# 1 BC817-40(SOT23) Fiducial Fiducial Fiducial 3 6 12 DTR RTS->EN IO0 D+ UD+ DSR# 1k/R0402 I2CEXT1_SCL_out 4 14 1 1 1 1 I2CEXT1_SDA_out ID DCD# 27pF/50V/5%/C0G/C0402 C4 5 9 13 0 0 1 1 GND XI RI# 20 1 0 0 1 3 Q1 NOS# Voltage of Internal LDO(VDD_SDIO) 27pF/50V/5%/C0G/C0402 C5 FID4 FID5 FID6 10 17 0 1 1 0 HSPIQ_in/_out L3 XO IR# Pin Default 3.3V 1.8V Fiducial Fiducial Fiducial HSPID_in/_out Q12MHz/20pF/10ppm/4P/3.2x2.5mm R21 Pull-Down 0 1 NA(FB0805/600R/2A) Q3 GPIO12/MTDI HSPICLK_in/_out CH340T(SSOP20W) Bootstrapping Pins 1 BC817-40(SOT23) Booting Mode HSPI_CS0_in/_out 1k/R0402 Settings SPI Flash Boot Download Boot GND GND GND GPIO0 HSPI_CS1_out Pin Default General HSPI_CS2_out GPIO0 Pull-Up 1 0 Any GPIO Purpose GPIO2 Pull-Down Don't-care 0 VSPIQ_in/_out R24 SPI D2 Debugging Log on U0TXD During Booting D_Com CC VSPID_in/_out 3 BAT54C(SOT23-3) VSPICLK_in/_out Pin Default U0TXD Toggling U0TXD Silent 220R/R0402 !!!WARNING!!! VSPI_CS0_in/_out GPIO15/MTDO Pull-Up 1 0 Timing of SDIO Slave H H GPIO2/HS2_DATA0 VSPI_CS1_out When the board is powered via PoE, don't include the USB cable for to programming it!!! 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