CP2102 USB to UART Bridge controller

The CP2102 is a highly-integrated USB-to-UART Bridge Controller from Silicon Labs, designed to provide a simple and cost-effective solution for updating RS-232 designs to USB using minimal components and PCB space. This single-chip device includes a USB 2.0 full-speed function controller, USB transceiver, oscillator, EEPROM or EPROM, and asynchronous serial data bus (UART) with full modem control signals in a compact 5×5 mm QFN-28 package.

Key Features:

• Integrated USB Transceiver: No external resistors required.
• Integrated Clock: No external crystal required.
• Programmable ROM: Internal 1024-byte programmable ROM for vendor ID, product ID, serial number, power descriptor, release number, and product description strings.
• On-Chip Power-On Reset Circuit: Ensures reliable operation.
• On-Chip Voltage Regulator: Provides 3.3 V output (CP2102) or 3.45 V output (CP2109).
• USB Specification 2.0 Compliant: Full-speed (12 Mbps) with support for USB suspend states via SUSPEND pins.
• Asynchronous Serial Data Bus (UART): Supports all handshaking and modem interface signals, with data formats including 5, 6, 7, and 8 data bits, 1, 1.5, and 2 stop bits, and odd, even, mark, space, and no parity.
• Baud Rates: Ranges from 300 bps to 1 Mbps.
• Virtual COM Port Device Drivers: Compatible with existing COM port PC applications, with royalty-free distribution licenses for Windows, Mac OS-X/OS-9, and Linux.

Applications:

• Upgrade of RS-232 legacy devices to USB
• Cellular phone USB interface cable
• USB interface cable
• USB to RS-232 serial adapter

Supply Voltage:

• Self-powered: 3.0 to 3.6 V
• USB bus powered: 4.0 to 5.25 V

Package:

• RoHS-compliant 28-pin QFN (5×5 mm)

For more detailed information, you can refer to the CP2102 Datasheet.

YouTube Tutorials: (Driver installation should not be needed for Windows 7 and later)

• CP2102 Serial Port Module Install Driver on Windows