Boardoza CY7C65213 USB to UART Breakout Board
The Boardoza CY7C65213-32LTXI is a compact USB-to-UART breakout board based on the CY7C65213 USB-Serial Bridge Controller from Cypress Semiconductor (Infineon Technologies). It enables reliable conversion between USB and UART interfaces, making it ideal for connecting microcontrollers, embedded systems, and legacy serial devices to modern USB hosts. This board is designed for industrial, maker, and prototyping applications, offering flexible UART pin configurations, wide voltage compatibility, and built-in power-saving features. With native support for Windows, macOS, and Linux using standard USB drivers, it can be seamlessly integrated into development, debugging, and production environments.
Key Features
- USB to UART Bridge Controller: Converts USB signals to UART, enabling easy communication between computers and serial devices.
- USB 2.0 Full-Speed Support: Provides reliable USB communication up to 12 Mbps.
- Flexible UART Configuration: Supports 2-pin, 4-pin, 6-pin, and 8-pin UART interfaces.
- Hardware Flow Control: Ensures stable serial communication using CTS, RTS, DTR, and DSR signals.
- Wide Voltage Compatibility: Operates with various logic levels and system voltages.
Technical Specifications
- Model
- CY7C65213
- Manufacturer
- Boardoza
- Manufacturer IC
- Infineon Technologies
- Functions
- USB to UART Serial Bridge
- USB Standard
- USB 2.0 Full-Speed (12 Mbps)
- Data Rate
- Up to 3 Mbps
- TX/RX Buffer
- 256 bytes transmit / 256 bytes receive
- VCC Supply Voltage
- 5 V
- VCCIO Supply Voltage
- 3,3 V – 5.0 V
- Operating Current
- 13–15 mA
- Maximum GPIO Current
- 25 mA
- Supported Interfaces
- UART
- Operating Temperature
- -40 °C to +85 °C
- Board Dimensions
- 20 mm × 40 mm
Board Pinout
( J1 ) Control & GPIO Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Main supply voltage (5.0 V) |
| 2 | RST | Request to Send (RTS) control output |
| 3 | DTR | Data Terminal Ready control output |
| 4 | GPIO3 | Configurable GPIO |
| 5 | GPIO7 | Configurable GPIO |
| 6 | GPIO6 | Configurable GPIO |
| 7 | GND | Ground |
( J2 ) Control Input & GPIO Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Main supply voltage (5.0 V) |
| 2 | R1 | Ring Indicator / Wake-up input |
| 3 | 3V3 | +3.3 V regulated output |
| 4 | DSR | Data Set Ready control input |
| 5 | DCD | Data Carrier Detect control input |
| 6 | CTS | Clear to Send control input |
| 7 | GPIO4 | Configurable GPIO |
| 8 | GPIO2 | Configurable GPIO |
| 9 | GND | Ground |
( J4 ) Power Selection Header
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | 3V3 | |
| 2 | VCC_IO | |
| 3 | 5V |
( J5 ) UART Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Main supply voltage (5.0 V) |
| 2 | TX | UART transmit output |
| 3 | RX | UART receive input |
| 4 | GND | Ground |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.