Add a 10 kOhm pull-up on GPIO0 to prevent booting into download mode
This commit is contained in:
Jakub Hlusička
parent
8f4c939e95
commit
7526d7752e
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@ -789,6 +789,7 @@
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"single_global_label": "ignore",
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"unannotated": "error",
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"unconnected_wire_endpoint": "warning",
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"undefined_netclass": "error",
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"unit_value_mismatch": "error",
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183
acid.kicad_sch
183
acid.kicad_sch
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@ -5423,6 +5423,17 @@
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)
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(uuid "2f6e38b3-17ae-4c84-978c-a25746a12021")
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(text "The LCD display being connected to GPIO0\ncauses parasitic capacitance on that pin,\nwhich makes the ESP32-S3 boot into download\nmode even if the BOOT button isn't held.\nThis extra pull-up resistor prevents that."
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(text "SPI CS is typically active low,\nbut needs to be held high for initialization"
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(at 177.8 160.274 0)
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@ -5498,6 +5509,17 @@
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(uuid "84059bb5-b425-408d-bacd-e5c86d8cc792")
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(text "TODO:\nSince GPIO6 has been repurposed as CS_{SPI},\nneither of these are used any more. Remove."
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(text "INT_{LR} = INT_{L} ∨ INT_{R}\nThe INT pins on the IO expander\nare open-drain active low, hence\nwe use a pull-up resistor."
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@ -5531,7 +5553,7 @@
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)
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(text "LDO1 and LDO2 are each able to\nprovide up to 700 mA at 3.3 V.\nFor comparison, GPIO pins only\nprovide up to 40 mA."
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@ -5573,9 +5595,9 @@
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(text "SPI chip selection\nof the LCD\nTODO: Remove"
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(text "SPI chip selection\nof the LCD"
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@ -5921,6 +5943,12 @@
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