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Onion Omega2+ Bottom Pinout
Mediatek MT7688AN MIPS SoC
Datasheet:
https://labs.mediatek.com/en/download/50WkbgbH
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SD Pin 4 = VDD
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SD Pin 6 = VSS / GND
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ROW 1 PIN NR12345678910111213141516171819202122232425
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PINNAMESD / eMMCSD / eMMCSD / eMMCSD / eMMCSD / eMMCSD / eMMCSD / eMMCMDI_TN_P0 MDI_TP_P0 MDI_RN_P0 MDI_RP_P0 ????GND????UART_RXD0UART_TXD0 SPI_CLK ??????????VOUT
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HEADERPINSD Card Pin 1SD Card Pin 3SD Card Pin 5SD Card Pin 2SD Card Pin 7SD Card Pin 8SD Card detectTop Pin 8Top Pin 7Top Pin 6Top Pin 5Top 16, Bot 16Bottom Pin 1Top Pin 12Top Pin 11Bottom pin 5Amber Led Top pin 9
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GPIOGPIO#13GPIO#12 GPIO#7
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FUNCTIONSDAT2CMDCLKCD/DAT3DAT0DAT1Pulled to gnd10/100 PHY 10/100 PHY 10/100 PHY 10/100 PHYRST (Reset)UART_RXD0UART_TXD0 SPI_CLK Onboard LED3.3V OUT
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when sd insertedPort #0 TXNPort #0 TXPPort #0 RXNPort #0 RXP
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Ethernet TX-Ethernet TX+Ethernet RX-Ethernet RX+
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ROW 2 PIN NR12345678910111213141516171819202122232425
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PINNAMEMDI_RP_P2 MDI_RN_P2????USB_DMUSB_DPMDI_TN_P1MDI_RP_P1 MDI_RN_P1 ??SPI_CS1 I2S_SDO I2S_SDI UART1_TXD UART1_RXD VINVINSPI_MISOSPI_MOSI I2S_WSI2S_CLKWDT_RST_N GPIO0I2C_SCLKI2C_SD
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HEADERPINTop Pin4Top Pin3Top Pin 13Top Pin 14Bottom Pin 10Bottom Pin 11Bottom Pin 12Bottom Pin 4Bottom Pin 3Bottom Pin 2Bottom Pin 8Bottom Pin 9Top Pin 15Top Pin 15Bottom pin 7Bottom pin 6Bottom pin 13Bottom pin 14Top pin 10Bottom pin 15Top pin 2Top pin 1
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GPIOGPIO#18GPIO#19GPIO#15 GPIO#16GPIO#17 GPIO#6 GPIO#1 GPIO#0 GPIO#45 GPIO#46 GPIO#9GPIO#8GPIO#2GPIO#3 GPIO#38GPIO#11 GPIO#4GPIO#5
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FUNCTIONSPWM_CH0PWM_CH1USB_DMUSB_DPPWM_CH1SPIS_MISO SPIS_MOSI REF_CLKOPCMDTXPCMDRXPWM_CH0PWM_CH13.3V3.3VSPI_MISOSPI_MOSII2S_WSI2S_CLK FW RSTREF_CLKOI2C_SCLK I2C_SD
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eMMC_D7eMMC_D6SPIS_CLKUART_TXD2UART_RXD2PCMFSPERST_N
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