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reference:pmod:pmodesp32:reference-manual [2018/04/12 18:44]
Arthur Brown [Standalone Mode]
reference:pmod:pmodesp32:reference-manual [2018/06/11 21:51] (current)
Arthur Brown Corrected description of select pin behavior
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 SW1.2 (labeled "​BOOT"​) controls whether the ESP32 boots into an application stored in memory or, on power-up, waits to be flashed with a new application. When the ESP32 is powered on, if SW1.2 is in the ON position, the ESP32 will enter a mode where it waits to be flashed with a new application. If SW1.2 is in the OFF position, the ESP32 will boot and begin to run whatever application it has stored in its memory. SW1.2 (labeled "​BOOT"​) controls whether the ESP32 boots into an application stored in memory or, on power-up, waits to be flashed with a new application. When the ESP32 is powered on, if SW1.2 is in the ON position, the ESP32 will enter a mode where it waits to be flashed with a new application. If SW1.2 is in the OFF position, the ESP32 will boot and begin to run whatever application it has stored in its memory.
  
-The behavior of SW1.1 can be controlled by a host board by using the "​Select"​ pin (pin 9 of Pmod header J1). Driving the Select pin high will cause the top row of the Pmod connector to have UART functionality,​ regardless of the value of SW1.1. Similarly, driving the Select pin low will cause the top row of the Pmod connector to have SPI functionality,​ regardless of the value of SW1.1.+The behavior of SW1.1 can be controlled by a host board by using the "​Select"​ pin (pin 9 of Pmod header J1). Driving the Select pin high will cause the top row of the Pmod connector to have SPI functionality,​ regardless of the value of SW1.1. Similarly, driving the Select pin low will cause the top row of the Pmod connector to have UART functionality,​ regardless of the value of SW1.1.
  
 ==== Pmod ESP32 Switch Behaviors ==== ==== Pmod ESP32 Switch Behaviors ====