TTGO T-Watch Development Board Pinout and Technical Specifications
Code name: TWatch
TTGO T-Watch development board is based on esp32 microcontroller and uses xtensa architecture. This development board has a maximum CPU frequency of 240 MHz and a flash size of 16MB.
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TTGO T-Watch Specs
Below you can find the specifications of TTGO T-Watch, such as features, connectivity options, and TTGO T-Watch technical specs.
Features
- 20 digital IO pins
- 16 external interrupt pins
- 16 analog input pins
- 13 PWM pins
Connectivity
- WiFi: 802.11 b/g/n (2.4 GHz)
- Bluetooth: 4.2
- WiFi: 4.2
Technical specs
| Clock Speed | 240 MHz |
| Flash size | 16MB |
| Microcontroller | esp32 |
| Architecture | xtensa |
TTGO T-Watch Pins Mapping Arduino IDE
Below you can find the TTGO T-Watch pinout. This development board provides 20 digital IO pins, out of which 16 can be used as an external interrupt pins , 16 as analog input pins and 13 pins have Pulse-Width Modulation (PWM) .
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 1 | PWM | TX | ||
| 2 | PWM | MISO | ||
| 3 | PWM | RX | ||
| 13 | PWM | SS | ||
| 14 | PWM | SCK | ||
| 15 | PWM | MOSI | ||
| 21 | PWM | SDA | ||
| 22 | PWM | SCL | ||
| 23 | PWM | TP_SDA | ||
| 25 | PWM | DAC1 | ||
| 26 | PWM | DAC2 | ||
| 32 | PWM | TP_SCL | ||
| 33 | PWM | TX1 | ||
| 34 | RX1 | |||
| 35 | APX20X_INT | |||
| 37 | RTC_INT | |||
| 38 | TP_INT | |||
| 39 | BMA42X_INT1 |
Default Tools
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x1000 |
| Flash mode | dio |
| Boot mode | dio |
| PSRAM type | |
| Maximum upload size | 6400 Kb (6553600 B) |
| Maximum data size | 4416 Kb (4521984 B) |
The TTGO T-Watch development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x1000". Flash mode and boot mode for TTGO T-Watch development board by default is dio and dio respectively.
