mirror of
https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library.git
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77 lines
1.8 KiB
Markdown
77 lines
1.8 KiB
Markdown
# Architecture diagram
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# Core Board Pinout
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**TFT**
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| ESP32 Core | GPIO5 | GPIO19 | GPIO18 | GPIO27 |
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| :--------: | :---: | :----: | :----: | :----: |
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| ST7789V | CS | MOSI | SCLK | DC |
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**Button**
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| ESP32 Core | GPIO36 |
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| :---------: | :----: |
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| User Button | Button |
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**Sensor**
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| ESP32 Core | GPIO21 | GPIO22 | GPIO39 |
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| :--------: | :----: | :----: | :-------: |
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| BMA423 | SDA | SCL | Interrupt |
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**PMU**
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| ESP32 Core | GPIO21 | GPIO22 | GPIO35 |
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| :--------: | :----: | :----: | :-------: |
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| AXP202 | SDA | SCL | Interrupt |
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**RTC**
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| ESP32 Core | GPIO21 | GPIO22 | GPIO37 |
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| :--------: | :----: | :----: | :-------: |
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| PCF8563 | SDA | SCL | Interrupt |
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**TOUCH**
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| ESP32 Core | GPIO23 | GPIO32 | GPIO38 |
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| :--------: | :----: | :----: | :-------: |
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| FT6236U | SDA | SCL | Interrupt |
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**TF Card**
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| ESP32 Core | GPIO13 | GPIO15 | GPIO2 | GPIO14 |
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| :--------: | :----: | :----: | :---: | :----: |
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| TF Card | CS | MOSI | MISO | SCLK |
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# Bottom plate Pinout
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**Standard**
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| ESP32 Core | GPIO33 | GPIO25 | GPIO21 | GPIO22 |
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| :--------: | :----: | :-----: | :----: | :----: |
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| Standard | Motor | Speaker | SDA | SCL |
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* Onboard SD card slot
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**SIM800L**
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| ESP32 Core | GPIO14 | GPIO15 | GPIO4 | GPIO33 | GPIO34 |
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| :--------: | :----: | :----: | :--------: | :----: | :----: |
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| SIM800L | RST | PWKEY | BOOST_CTRL | TX | RX |
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* No onboard SD card slot
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**MPR121**
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| ESP32 Core | GPIO21 | GPIO22 |
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| :--------: | :----: | :----: |
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| MPR121 | SDA | SCL |
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* Onboard SD card slot
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**S7XG_Lora & GPS**
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| ESP32 Core | GPIO33 | GPIO34 |
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| :--------: | :----: | :----: |
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| S7XG_Lora | TX | RX |
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* Onboard SD card slot
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