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docs(gpio): removed strapping description in programming guide
Closes https://github.com/espressif/esp-idf/issues/18969
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@@ -26,62 +26,50 @@ The table below provides more information on pin usage, and please note the comm
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- ADC1_CH0
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- LP_GPIO0
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-
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* - GPIO1
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- ADC1_CH1
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- LP_GPIO1
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* - GPIO2
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- ADC1_CH2
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- LP_GPIO2
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* - GPIO3
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- ADC1_CH3
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- LP_GPIO3
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-
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* - GPIO4
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- ADC1_CH4
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- LP_GPIO4
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- Strapping pin
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-
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* - GPIO5
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- ADC1_CH5
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- LP_GPIO5
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- Strapping pin
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-
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* - GPIO6
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- ADC1_CH6
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- LP_GPIO6
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* - GPIO7
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- LP_GPIO7
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* - GPIO8
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- Strapping pin
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* - GPIO9
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- Strapping pin
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* - GPIO10
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* - GPIO11
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* - GPIO12
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@@ -96,52 +84,42 @@ The table below provides more information on pin usage, and please note the comm
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* - GPIO15
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- Strapping pin
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* - GPIO16
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* - GPIO17
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* - GPIO18
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* - GPIO19
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* - GPIO20
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* - GPIO21
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* - GPIO22
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* - GPIO23
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* - GPIO24
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@@ -179,10 +157,10 @@ The table below provides more information on pin usage, and please note the comm
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.. note::
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- Strapping pin: GPIO4, GPIO5, GPIO8, GPIO9, and GPIO15 are strapping pins. For more information, please refer to `datasheet <{IDF_TARGET_DATASHEET_EN_URL}>`__.
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- SPI0/1: GPIO24 ~ GPIO30 are usually used for SPI flash and not recommended for other uses.
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- USB-JTAG: GPIO12 and GPIO13 are used by USB-JTAG by default. If they are reconfigured to operate as normal GPIOs, USB-JTAG functionality will be disabled.
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- For chip variants with an SiP flash built in, GPIO24 ~ GPIO30 are dedicated to connecting the SiP flash; GPIO10 ~ GPIO11 are not led out to any chip pins; therefore, only the remaining 22 GPIO pins are available.
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- Strapping pin: Some pins are used as strapping pins. For more information, please refer to *{IDF_TARGET_NAME} datasheet* > *Boot Configurations* [`PDF <{IDF_TARGET_DATASHEET_EN_URL}#cd-pins-strap>`__].
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- SPI0/1: GPIO24 ~ GPIO30 are usually used for SPI flash and not recommended for other uses.
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- USB-JTAG: GPIO12 and GPIO13 are used by USB-JTAG by default. If they are reconfigured to operate as normal GPIOs, USB-JTAG functionality will be disabled.
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- For chip variants with an SiP flash built in, the SPI0/1 pins and GPIO10 ~ GPIO11 are not led out; therefore, only the remaining 22 GPIO pins are available.
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- For chip variants without an in-package flash, GPIO14 is not led out to any chip pins.
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---
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