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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.
| Front Side | Back Side |
|---|---|
Model: CY7C65213
Manufacturer: Boardoza
Manufacturer: Infineon Technologies
Functions: USB to UART Serial Bridge
USB 2.0 Full-Speed (12 Mbps)
Up to 3 Mbps
256 bytes transmit / 256 bytes receive
5 V
3,3 V – 5.0 V
13–15 mA
25 mA
UART
-40 °C to +85 °C
20 mm × 40 mm
| 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 |
| 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 |
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | 3V3 | +3.3 V output |
| 2 | VCC_IO | I/O Voltage level selection (3.3 V or 5.0 V) |
| 3 | 5V | +5.0 V output |
| 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 |
All hardware design files are licensed under Creative Commons Attribution-ShareAlike 4.0 International License.
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