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CP2104

Name: CP2104
Rating: 4.7 (12 reviews)

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Mfr.부분 #CP2104
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사양

Brand

Silicon Labs

개요

Description

The CP2104 is a USB-to-UART bridge controller developed by Silicon Labs. It facilitates communication between USB-enabled devices and UART (Universal Asynchronous Receiver-Transmitter) interfaces, making it ideal for connecting microcontrollers, sensors, and other serial devices to a computer or USB host.
Key features of the CP2104 include:
- Data Rates: Supports baud rates up to 1 Mbps, allowing for fast data transmission.
- Integrated Level Shifters: Compatible with various voltage levels (1.8V to 5.5V), making it versatile for different applications.
- Built-in EEPROM: Users can configure the device's parameters, such as vendor ID, product ID, and custom strings.
- Drivers: Compatible with multiple operating systems, including Windows, macOS, and Linux, simplifying integration into diverse environments.
The CP2104 is commonly used in applications such as embedded systems, wireless modules, and IoT devices, offering a reliable and efficient solution for serial communication needs.

Features

The CP2104 is a USB-to-UART bridge controller from Silicon Labs, designed for converting USB data to UART (serial) communication. Key features include:
1. USB Interface: Full-speed USB 2.0 compliant, supporting data rates up to 1 Mbps.
2. UART Interface: Provides a standard UART interface with configurable baud rates, 7/8 data bits, and 1/2 stop bits.
3. GPIO Pins: Includes configurable general-purpose input/output (GPIO) pins for additional functionality.
4. Integrated Oscillator: Eliminates the need for external crystal components, reducing design complexity.
5. Power Management: Low-power operation with various power-saving modes.
6. Driver Support: Compatible with major operating systems, including Windows, macOS, and Linux.
7. Robustness: Built-in protections against ESD and other electrical surges.
8. Simplicity: Easy to integrate with a wide range of applications, including embedded systems and peripheral devices.
Overall, the CP2104 is a versatile and efficient solution for USB-to-serial communication.

Package

The CP2104 comes in a 16-pin QFN (Quad Flat No-lead) package. It features a compact design suitable for space-constrained applications, providing easy soldering and efficient thermal performance.

Pinout

The CP2104 is a USB to UART bridge controller with a total of 16 pins. Its pin functions are as follows:
1. VCC (Pin 1) - Power supply input (3.3V or 5V)
2. GND (Pin 2) - Ground
3. TXD (Pin 3) - Transmit data output
4. RXD (Pin 4) - Receive data input
5. RTS (Pin 5) - Request to send (optional hardware flow control)
6. CTS (Pin 6) - Clear to send (optional hardware flow control)
7. DTR (Pin 7) - Data terminal ready (optional control signal)
8. DSR (Pin 8) - Data set ready (optional control signal)
9. DCD (Pin 9) - Data carrier detect (optional signal)
10. RI (Pin 10) - Ring indicator (optional signal)
11. GPIO0 to GPIO3 (Pins 11-14) - General-purpose input/output pins
12. TST (Pin 15) - Test pin (not typically used in standard applications)
13. VREG (Pin 16) - Voltage regulator output (for internal circuitry)
The CP2104 facilitates serial communication via USB, making it suitable for various embedded applications.

Manufacturer

The CP2104 is manufactured by Silicon Labs, a semiconductor company based in Austin, Texas. Silicon Labs specializes in designing and manufacturing microcontrollers, wireless and wired connectivity solutions, and various analog and digital interfaces. The company focuses on providing innovative products for the Internet of Things (IoT), consumer electronics, and industrial applications. Silicon Labs is known for its commitment to performance, energy efficiency, and ease of integration, making its components popular among engineers and developers in the electronics industry.

Application

The CP2104 is a USB-to-UART bridge used in various application areas, including industrial automation, consumer electronics, medical devices, and telecommunications. It facilitates communication between microcontrollers and USB-enabled devices, enabling data transfer for programming, debugging, and serial communication. Common uses include connecting sensors, GPS modules, and embedded systems to computers for development and control. Additionally, it supports power management and configuration, making it suitable for portable and battery-operated devices.

Equivalent

Equivalent products to the CP2104 chip include the FT232R, CH340G, and PL2303 USB-to-UART bridge chips. These alternatives offer similar functionalities for serial communication and are often used in embedded systems and USB interfacing applications.