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docs(gpio): removed strapping description in programming guide

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Closes https://github.com/espressif/esp-idf/issues/18969
This commit is contained in:
Chen Chen
2026-08-26 10:28:10 +08:00
parent ae2088092e
commit 26a8308400
26 changed files with 146 additions and 792 deletions
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docs/en/api-reference/peripherals/gpio/esp32s2.inc
+4 -35
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@@ -25,113 +25,91 @@ The table below provides more information on pin usage, and please note the comm
* - GPIO0
-
- RTC_GPIO0
- Strapping pin
-
* - GPIO1
- ADC1_CH0
- RTC_GPIO1
-
* - GPIO2
- ADC1_CH1
- RTC_GPIO2
-
* - GPIO3
- ADC1_CH2
- RTC_GPIO3
-
* - GPIO4
- ADC1_CH3
- RTC_GPIO4
-
* - GPIO5
- ADC1_CH4
- RTC_GPIO5
-
* - GPIO6
- ADC1_CH5
- RTC_GPIO6
-
* - GPIO7
- ADC1_CH6
- RTC_GPIO7
-
* - GPIO8
- ADC1_CH7
- RTC_GPIO8
-
* - GPIO9
- ADC1_CH8
- RTC_GPIO9
-
* - GPIO10
- ADC1_CH9
- RTC_GPIO10
-
* - GPIO11
- ADC2_CH0
- RTC_GPIO11
-
* - GPIO12
- ADC2_CH1
- RTC_GPIO12
-
* - GPIO13
- ADC2_CH2
- RTC_GPIO13
-
* - GPIO14
- ADC2_CH3
- RTC_GPIO14
-
* - GPIO15
- ADC2_CH4
- RTC_GPIO15
-
* - GPIO16
- ADC2_CH5
- RTC_GPIO16
-
* - GPIO17
- ADC2_CH6
- RTC_GPIO17
-
* - GPIO18
- ADC2_CH7
- RTC_GPIO18
-
* - GPIO19
- ADC2_CH8
- RTC_GPIO19
-
* - GPIO20
- ADC2_CH9
- RTC_GPIO20
-
* - GPIO21
-
- RTC_GPIO21
-
* - GPIO26
-
-
@@ -171,32 +149,26 @@ The table below provides more information on pin usage, and please note the comm
-
-
-
* - GPIO34
-
-
-
* - GPIO35
-
-
-
* - GPIO36
-
-
-
* - GPIO37
-
-
-
* - GPIO38
-
-
-
* - GPIO39
-
-
@@ -221,25 +193,22 @@ The table below provides more information on pin usage, and please note the comm
-
-
-
* - GPIO44
-
-
-
* - GPIO45
-
-
- Strapping pin
-
* - GPIO46
-
-
- GPI；Strapping pin
- GPI
.. note::
- Strapping pin: GPIO0, GPIO45 and GPIO46 are strapping pins. For more information, please refer to `ESP32-S2 datasheet <{IDF_TARGET_DATASHEET_EN_URL}>`_
- 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>`__].
- SPI0/1: GPIO26-32 are usually used for SPI flash and PSRAM and not recommended for other uses.
- JTAG: GPIO39-42 are usually used for inline debug.
- GPI: GPIO46 is fixed to pull-down and is input only.