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Alex thomas
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Asked: 2022-09-01T16:53:53+05:30 In:

ESP32-MINI-1-N4

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Hello,

Can i’ve reply for below queries for the ESP32-MINI-1-N4?
1) Can we connect external NOR flash on VSPICS0, VSPICLK, VSPID, VSPIQ of ESP32-MINI-1-N4?
2) Can we use GPIO0 asI2C_SDA and GPIO4 asI2C_SCL in ESP32-MINI-1-N4?
3) What maximum size of NOR flash can be connected with ESP32-MINI-1-N4?
4) Can we configure any GPIos as UART1 RTS & CTS of ESP32-MINI-1-N4?

Thanks,

esp32esp32-mini-1-n4flashgpio0
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    1 Answer

    1. I. Yes, you could use VSPI to connect a alternate flash, but just for storage, this flash couldn't share same function with the embedded one. 2. Yes, you could use them as I2C, but please add test point for IO0. 3. for storage, at least 16 MB, I've seen some cases, I'll check it. 4. Yes, but please Read more

      I. Yes, you could use VSPI to connect a alternate flash, but just for storage, this flash couldn’t share same function with the embedded one.
      2. Yes, you could use them as I2C, but please add test point for IO0.
      3. for storage, at least 16 MB, I’ve seen some cases, I’ll check it.
      4. Yes, but please be noted those only for inputs can only be RX.

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