The CP2104-B01-GMR is a highly integrated USB-to-UART bridge controller manufactured by Silicon Labs. It provides a simple and efficient way to connect devices with a UART (Universal Asynchronous Receiver/Transmitter) interface to a USB host. This chip eliminates the need for complex USB driver development and simplifies the process of adding USB connectivity to embedded systems.

Applications

• USB to Serial Adapters: Converting USB to serial interfaces for communication with various devices.
• Embedded Systems: Adding USB connectivity to microcontrollers and other embedded systems.
• Data Loggers: Connecting data loggers to a computer for data transfer and configuration.
• Point-of-Sale (POS) Systems: Enabling USB communication for POS terminals.
• Industrial Control: Interfacing industrial equipment with a USB host.

Features

• Single-Chip USB to UART Bridge: Integrates a USB transceiver, UART controller, and voltage regulator in a single chip.
• USB 2.0 Full-Speed Compatible: Supports USB 2.0 full-speed data transfer rates (12 Mbps).
• UART Interface: Supports data rates from 300 bps to 3 Mbps.
• Customizable Vendor ID, Product ID, and Serial Number: Allows for device identification and customization.
• Integrated Voltage Regulator: Provides a regulated 3.3V output for the UART interface.
• Small Package: Available in a compact QFN-24 package.
• RoHS Compliant: Compliant with Restriction of Hazardous Substances directive.
• GPIO Pins: Includes general-purpose input/output pins for flexible control.

Benefits

• Simplified USB Connectivity: Eliminates the need for complex USB driver development.
• Reduced Development Time: Speeds up the process of adding USB connectivity to embedded systems.
• Lower System Cost: Integrates multiple functions into a single chip, reducing the number of components required.
• Flexible UART Interface: Supports a wide range of data rates.
• Easy to Use: Simple configuration and driver installation.

Additional Details

The CP2104-B01-GMR is powered directly from the USB bus and requires minimal external components. It supports various UART features, including hardware and software flow control, parity checking, and break signal generation. The integrated voltage regulator simplifies power management and eliminates the need for an external regulator in many applications. Silicon Labs provides drivers for Windows, macOS, and Linux, making it easy to integrate the CP2104-B01-GMR into a wide range of systems.

The device can be configured using Silicon Labs' Simplicity Studio software, which allows developers to customize the vendor ID, product ID, and serial number. The integrated GPIO pins can be used to control external devices or monitor status signals.