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SPWF04SC 数据表(PDF) 12 Page - STMicroelectronics |
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SPWF04SC 数据表(HTML) 12 Page - STMicroelectronics |
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12 / 27 page ![]() Pinout description SPWF04SA, SPWF04SC 12/27 DocID029757 Rev 5 Table 6: GPIOs main and alternate functions Signal name Pin n° Main Function (1) Alternate function Electrical notes System function (2) Peripheral driver (3) MicroPython Interfaces (4) GPIO[0] 16 General Purpose input/output Restore to factory setting (5) ADC Input pull down and 5 V tolerant GPIO[1] 17 General Purpose input/output ADC Input pull down and 5 V tolerant GPIO[2] 19 General Purpose input/output PWM TX UART Floating and 5 V tolerant GPIO[3] 1 General Purpose input/output Ext memory: SPI_nCS Input pull down and 5 V tolerant GPIO[4] 18 General Purpose input/output I2C SDA GPIO[5] 20 General Purpose input/output I2C SCL GPIO[6] 22 General Purpose input/output WakeUp sleep Inhibit (6) Input pull down and 5 V tolerant GPIO[7] 13 MiniAP: General purpose input/output STA: WPS PushButton STA/MiniAP switch (startup) (7) RTS UART GPIO[8] 4 General Purpose input/output MicroPython selection mode (8) GPIO[9] 7 General Purpose input/output SPI HOST interface: SPI nHostInterrupt (9) GPIO[10] 5 General Purpose input/output LED Drive: module running (10) GPIO[11] 11 General Purpose input/output RX UART GPIO[12] 12 General Purpose input/output CTS UART GPIO[13] 15 LED Drive: Wi-Fi Link Up MISO SPI GPIO[14] 14 LED Drive: power Up MOSI SPI GPIO[15] 21 General Purpose input/output DAC SCK SPI GPIO[16] 27 General Purpose input/output ADC |
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