# Up-Core Carrier Board Pinout

![](/files/Vhfo2dp5U4cdE1hLHPXH)

#### Port 1 - Up Core USB 2.0 Port

| Pin      | Signal     | Volt  |
| -------- | ---------- | ----- |
| 1(red)   | VBUS (out) | +5V   |
| 2(white) | D-         | +3.3V |
| 3(green) | D+         | +3.3V |
| 4(black) | GND        | GND   |
| 5(black) | SHIELD     | GND   |

#### Port 2 - UART2, FT231 USB to UART Port, from Up- Core USB2.0 Port0 (Support 921600 baud rate)

| Pin | Signal   | Volt  |
| --- | -------- | ----- |
| 1   | VCC(out) | +5V   |
| 2   | RXD      | +3.3V |
| 3   | TXD      | +3.3V |
| 4   | RTS      | +3.3V |
| 5   | CTS      | +3.3V |
| 6   | GND      | GND   |

#### Port3 - UART3, ESP8266 UART Port (support 921600 baud rate)

| Pin | Signal  | Volt  |
| --- | ------- | ----- |
| 1   | VCC(in) | +5V   |
| 2   | RXD     | +3.3V |
| 3   | TXD     | +3.3V |
| 4   | RTS     | +3.3V |
| 5   | CTS     | +3.3V |

#### Port 4 - Up-Core USB2.0 Port

| Pin      | Signal     | Volt  |
| -------- | ---------- | ----- |
| 1(red)   | VBUS (out) | +5V   |
| 2(white) | D-         | +3.3V |
| 3(green) | D+         | +3.3V |
| 4(black) | GND        | GND   |
| 5(black) | SHIELD     | GND   |

#### Port 5 - UART1, Up-Core UART1 Port

| Pin | Signal   | Volt  |
| --- | -------- | ----- |
| 1   | VCC(out) | +5V   |
| 2   | TXD1     | +3.3V |
| 3   | RXD1     | +3.3V |
| 4   | CTS1     | +3.3V |
| 5   | RTS1     | +3.3V |
| 6   | GND      | GND   |

#### Port 6 - Up-Core SPI Port

| Pin | Signal    | Volt  |
| --- | --------- | ----- |
| 1   | VCC(out)  | +5V   |
| 2   | SPI\_SCLK | +3.3V |
| 3   | SPI\_MISO | +3.3V |
| 4   | SPI\_MOSI | +3.3V |
| 5   | SPI\_CS0  | +3.3V |
| 6   | SPI\_CS1  | +3.3V |
| 7   | GND       | GND   |

#### Port 7 - Up-Core UART0 Port & I2C1 Port

| Pin | Signal   | Volt  |
| --- | -------- | ----- |
| 1   | VCC(out) | +5V   |
| 2   | TXD0     | +3.3V |
| 3   | RXD0     | +3.3V |
| 4   | SCL1     | +3.3V |
| 5   | SDA1     | +3.3V |
| 6   | GND      | GND   |

#### Port 8 - Power In Port

| Pin | Signal  | Volt   |
| --- | ------- | ------ |
| 1   | VCC(in) | 7\~51v |
| 2   | VCC(in) | 7\~51v |
| 3   | GND     | GND    |
| 4   | GND     | GND    |

#### Port 9 - Up-Core MicroSD Port


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