Catalogs >
Silicon Laboratories >
USB Bridge Solutions

USB Bridge Solutions
2Pages

Catalog excerpts

USB Bridge Solutions DESCRIPTION Silicon Labs’ new CP21xx USB bridge ICs eliminate software complexity and driver compatibility issues, providing a cost-effective, small-footprint turnkey solution for adding USB and human interface device (HID)-USB connectivity to applications such as personal medical devices, cellular and cordless phones, smart card and flash card readers, personal digital assistants, MP3 players, bar code readers, wireless modems and industrial control systems. With the rapid proliferation of USB and HID-USB in the embedded world, developers are looking for painless, economical ways to embed USB connectivity in their designs. A leading supplier of USB connectivity solutions, Silicon Labs developed the CP21xx bridge family so that designers can add USB to microcontroller-based applications without the cost and complexity of developing sophisticated USB software. The CP21xx ICs require no USB expertise to deploy, enabling developers to focus time and resources on end applications. www.silabs.com/usb INTERFACE SOLUTIONS USB-TO-UART BRIDGE BLOCK DIAGRAM Voltage Regulator USB Transceiver 48 MHz Oscillator TX Buffer RX Buffer EEPROM or EPROM USB Function Controller UART UART I/F D– (Modem) D+ VBUS I/O Control (Some Devices) UART (CP2105 Only) Download the white paper “USB Simplified”: www.silabs.com/usb www.silabs.com/usb CP21xx FEATURES • USB 2.0 Compliant, full-speed (12 Mbps) • No external crystal required • Up to 1024 Bytes of EEPROM or EPROM • User programmable custom Baud rates • Supports all modem interface signals • Baud rates up to 2 Mbps • Industrial temperature range -40 to 85 °C • SMBus master device (CP2112) • HID class support, no driver installation needed (CP2112) APPLICATIONS • USB to RS-232 converters • USB to Dual RS-232 converters • USB to RS-422/RS-285 converters • Upgrade of legacy RS-232 devices • PDA USB interface cable • Cellular phone USB interface cable • Barcode readers in Point-of-Sale terminals • Portable medical equipment • PC peripherals • Barcode readers in Point-of-Sale terminals • Industrial connectivity (CP2112) EASY USB TO UART BRIDGE COMMUNICATION

Open the catalog to page 1

© 2010, Silicon Laboratories Inc. Silicon Laboratories and the Silicon Labs logo are trademarks or registered trademarks of Silicon Laboratories Inc. All other product or service names are the property of their respective owners. For the most up to date information please see your sales representative or visit our website at www.silabs.com. USB Bridge Solutions www.silabs.com/usb Development Tools and Turnkey Support from Silicon Labs SILICON LABORATORIES INC. | 400 W. CESAR CHAVEZ | AUSTIN, TX 78701 | 877-444-3032 | SILABS.COM INTERFACE SOLUTIONS Silicon Labs offers several single-chip...

Open the catalog to page 2