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ESP8089 Datasheet(PDF) 7 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. |
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ESP8089 Datasheet(HTML) 7 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. |
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7 / 20 page ![]() " 2. Pin Definition 10 MTDI I/O GPIO12 11 VDDPST P Digital/IO Power Supply (1.8V ~ 3.3V) 12 MTCK I/O GPIO13 13 MTDO I/O GPIO15 14 GPIO2 I/O GPIO2 15 GPIO0 I/O GPIO0 16 GPIO4 I/O GPIO4 17 VDDPST P Digital/IO Power Supply (1.8V ~ 3.3V) 18 SDIO_DATA_2 I/O SDIO 19 SDIO_DATA_3 I/O SDIO 20 SDIO_CMD I/O SDIO 21 SDIO_CLK I/O SDIO 22 SDIO_DATA_0 I/O SDIO 23 SDIO_DATA_1 I/O SDIO 24 GPIO5 I/O GPIO5 25 U0RXD I/O UART 26 U0TXD I/O UART 27 XTAL_OUT I/O Connect to crystal oscillator output, can be used to provide BT clock input 28 XTAL_IN I/O Connect to crystal oscillator input 29 VDDD P Analog Power 2.5V ~ 3.6V 30 VDDA P Analog Power 2.5V ~ 3.6V 31 RES12K I Serial connection with a 12 kΩ resistor and connect to the ground 32 EXT_RSTB I External reset signal (Low voltage level: Active) Pin Name Type Function Espressif " /16 4 2017.06 |
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