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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/esp32.inc
+6 -20
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@@ -25,8 +25,7 @@ The table below provides more information on pin usage, and please note the comm
* - GPIO0
- ADC2_CH1
- RTC_GPIO11
- Strapping pin
-
* - GPIO1
-
-
@@ -35,8 +34,7 @@ The table below provides more information on pin usage, and please note the comm
* - GPIO2
- ADC2_CH2
- RTC_GPIO12
- Strapping pin
-
* - GPIO3
-
-
@@ -46,12 +44,10 @@ The table below provides more information on pin usage, and please note the comm
- ADC2_CH0
- RTC_GPIO10
-
* - GPIO5
-
-
- Strapping pin
-
* - GPIO6
-
-
@@ -85,7 +81,7 @@ The table below provides more information on pin usage, and please note the comm
* - GPIO12
- ADC2_CH5
- RTC_GPIO15
- Strapping pin; JTAG
- JTAG
* - GPIO13
- ADC2_CH4
@@ -100,7 +96,7 @@ The table below provides more information on pin usage, and please note the comm
* - GPIO15
- ADC2_CH3
- RTC_GPIO13
- Strapping pin; JTAG
- JTAG
* - GPIO16
-
@@ -116,52 +112,42 @@ The table below provides more information on pin usage, and please note the comm
-
-
-
* - GPIO19
-
-
-
* - GPIO21
-
-
-
* - GPIO22
-
-
-
* - GPIO23
-
-
-
* - GPIO25
- ADC2_CH8
- RTC_GPIO6
-
* - GPIO26
- ADC2_CH9
- RTC_GPIO7
-
* - GPIO27
- ADC2_CH7
- RTC_GPIO17
-
* - GPIO32
- ADC1_CH4
- RTC_GPIO9
-
* - GPIO33
- ADC1_CH5
- RTC_GPIO8
-
* - GPIO34
- ADC1_CH6
- RTC_GPIO4
@@ -194,7 +180,7 @@ The table below provides more information on pin usage, and please note the comm
.. note::
- Strapping pin: GPIO0, GPIO2, GPIO5, GPIO12 (MTDI), and GPIO15 (MTDO) are strapping pins. For more information, please refer to `ESP32 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: GPIO6-11 and GPIO16-17 are usually connected to the SPI flash and PSRAM integrated on the module and therefore should not be used for other purposes.
- JTAG: GPIO12-15 are usually used for inline debug.
- GPI: GPIO34-39 can only be set as input mode and do not have software-enabled pullup or pulldown functions.