Overview
The CP2105-F01-GMR, produced by Silicon Labs, is a highly integrated USB-to-Dual-UART Bridge Controller. This single-chip solution is designed to simplify the process of updating RS-232 designs to USB, requiring minimal external components. The device integrates a USB transceiver, clock, and voltage regulator, making it a comprehensive solution for various UART-based applications. It supports USB Specification 2.0 at full-speed (12 Mbps) and includes features such as USB Suspend states and flow control options. The CP2105 also includes a 296-Byte One-Time Programmable ROM for storing customizable product information and supports royalty-free Virtual COM Port (VCP) device drivers, allowing it to appear as two COM ports in PC applications.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | 24-pin QFN (4 x 4 mm) |
| USB Specification | USB 2.0 compliant, full-speed (12 Mbps) |
| UART Interfaces | Two UART interfaces: Enhanced (ECI) and Standard (SCI) |
| Flow Control | Hardware (CTS / RTS) and software flow control |
| GPIO Signals | Five user-defined GPIO signals |
| I/O Interface Voltage | Support for I/O interface voltages down to 1.8 V via VIO pin |
| Temperature Range | –40 to +85 °C |
| Integrated Components | Integrated USB transceiver, clock, and voltage regulator |
| ROM | 296-Byte One-Time Programmable ROM |
Key Features
- Integrated USB transceiver and clock, eliminating the need for external resistors and crystals.
- On-chip power-on reset circuit and voltage regulator providing a 3.45 V output.
- Support for USB Suspend states via SUSPEND pins.
- Two UART interfaces with hardware and software flow control options.
- Five user-defined GPIO signals for status and control information).
- Support for I/O interface voltages down to 1.8 V via the VIO pin).
- Royalty-free Virtual COM Port (VCP) device drivers, allowing the device to appear as two COM ports in PC applications).
- RoHS-compliant and supports a wide temperature range of –40 to +85 °C).
Applications
The CP2105-F01-GMR is suitable for a variety of applications, including:
- Updating legacy RS-232 designs to USB without modifying existing system firmware).
- Industrial automation and control systems requiring reliable UART communication).
- Medical devices and diagnostic equipment needing USB connectivity).
- Consumer electronics such as printers, scanners, and gaming peripherals).
- Embedded systems and IoT devices requiring efficient and reliable serial communication).
Q & A
- What is the primary function of the CP2105-F01-GMR?
The CP2105-F01-GMR is a USB-to-Dual-UART Bridge Controller, designed to convert USB signals to UART and vice versa).
- What USB specification does the CP2105-F01-GMR support?
The CP2105-F01-GMR supports USB Specification 2.0 at full-speed (12 Mbps)).
- How many UART interfaces does the CP2105-F01-GMR have?
The CP2105-F01-GMR has two UART interfaces: Enhanced (ECI) and Standard (SCI)).
- What flow control options are available on the CP2105-F01-GMR?
The device supports both hardware (CTS / RTS) and software flow control options).
- How many GPIO signals does the CP2105-F01-GMR provide?
The CP2105-F01-GMR provides five user-defined GPIO signals).
- What is the temperature range of the CP2105-F01-GMR?
The device operates within a temperature range of –40 to +85 °C).
- Does the CP2105-F01-GMR require external components like resistors and crystals?
No, the CP2105-F01-GMR integrates a USB transceiver and clock, eliminating the need for external resistors and crystals).
- Is the CP2105-F01-GMR RoHS-compliant?
Yes, the CP2105-F01-GMR is RoHS-compliant).
- What kind of device drivers are provided for the CP2105-F01-GMR?
Royalty-free Virtual COM Port (VCP) device drivers are provided, allowing the device to appear as two COM ports in PC applications).
- Is there an evaluation kit available for the CP2105-F01-GMR?
Yes, an evaluation kit (Part Number: CP2105EK) is available for the CP2105, which includes a CP2105-based USB-to-UART/RS-232 evaluation board and other necessary components).
