Overview
The CP2108-B03-GM, produced by Silicon Labs, is a highly integrated USB to Quad UART Bridge Controller. This device provides a straightforward solution for updating legacy RS-232/RS-485 designs to USB, enhancing connectivity and compatibility with modern systems. The CP2108 is part of the Silicon Labs Xpress Product Line and is designed to simplify the transition from serial to USB interfaces.
Key Specifications
| Parameter | Description |
|---|---|
| Interface | Classic USB to Quad UART Bridge |
| Package Type | QFN64 (9x9 mm) |
| Supply Voltage | 3 V to 3.6 V |
| Supply Current | 56 mA |
| Operating Temperature | -40°C to +85°C |
| Digital I/O Pins | 16 |
| UART Interfaces | Four independent UART interfaces with full modem control signals |
| EEPROM | Integrated programmable EEPROM for storing customizable product information |
| USB Compliance | USB 2.0 |
Key Features
- Single-chip USB-to-Quad UART data transfer
- Four independent UART interfaces with full modem control signals
- Integrated USB transceiver; no external resistor required
- Integrated clock; no external crystal required
- Integrated programmable EEPROM for storing customizable product information
- On-chip power-on reset circuit and voltage regulator (3.3 V output)
- Four configurable clock outputs for external devices
- RS-485 bus transceiver control
- Toggle LED upon transmission and reception
- Sixteen user-defined GPIO signals for status and control information
Applications
The CP2108-B03-GM is versatile and can be used in a variety of applications, including:
- Updating legacy RS-232/RS-485 systems to USB
- Industrial automation and control systems
- Medical devices requiring USB connectivity
- Point-of-sale terminals and kiosks
- Embedded systems needing multiple UART interfaces
Q & A
- What is the primary function of the CP2108-B03-GM?
The CP2108-B03-GM is a USB to Quad UART Bridge Controller, providing a simple solution for updating RS-232/RS-485 designs to USB.
- How many UART interfaces does the CP2108-B03-GM support?
The device supports four independent UART interfaces.
- What is the operating temperature range of the CP2108-B03-GM?
The operating temperature range is -40°C to +85°C.
- Does the CP2108-B03-GM require an external crystal for clocking?
No, the CP2108-B03-GM has an integrated clock and does not require an external crystal.
- How many digital I/O pins are available on the CP2108-B03-GM?
The device has 16 digital I/O pins.
- What type of package does the CP2108-B03-GM come in?
The CP2108-B03-GM comes in a 64-pin QFN (9x9 mm) package.
- Is the CP2108-B03-GM compliant with USB 2.0 standards?
Yes, the CP2108-B03-GM is compliant with USB 2.0 standards.
- Can the CP2108-B03-GM be programmed via USB?
Yes, the on-chip EEPROM can be programmed via USB, allowing for customization of product information.
- What kind of support does Silicon Labs offer for the CP2108-B03-GM?
Silicon Labs provides royalty-free Virtual COM Port (VCP) device drivers and extensive community support.
- Are there any development kits available for the CP2108-B03-GM?
Yes, Silicon Labs offers a CP2108 Microcontroller Development Kit to support development and testing.
