CP2109 Classic USB Bridge

Note: The CP2109 is not recommended for new designs. For newer designs, the CP2102N devices offer compatible footprints and are recommended for use instead of the CP2109. The CP2109 UART to UART Bridge provides a complete plug and play interface solution that includes royalty-free drivers. This USB 2.0 compliant device includes 0 digital I/O pins and is availble in a 5x5 mm  QFN28 package.

Download USB to UART Bridge VCP Drivers >

Development Tools Type
CP2102EK USB to UART Bridge Evaluation Kit Evaluation Kits
Title Version Resource Type
CP210x VCP Driver for Mac OSX 10.6 Release Notes 4.x.14 Application Notes
USBXpress SDK 6.7.4 Application Notes
CP210x VCP Driver for Windows XP and Vista 6.7 Drivers
PCN #1611215: CP2102N Datasheet and Errata Update Product Change Notifications (PCN)
AN220: USB Driver Customization 6.7.4 Example Code
USBXpress Win98SE Release Notes 2.42 Release Notes
VCP Drivers for WinCE50 Software
VCP Driver for WinCE60 Software
VCP Driver v6.7.3 Release Notes v6.7.3 Release Notes
USBXpress v6.7.3 Release Notes 6.7.3 Release Notes
PB #1606031: Inner Box Label Change Product Change Notifications (PCN)
Standard Outerbox Label Change to Include RoHS and Halogen Free Mark Product Change Notifications (PCN)
AN335: USB Driver Installation Methods 0.4 Application Notes
AN532: HID Library API Specification 0.1 Application Notes
AN220: USB Driver Customization 0.7 Application Notes
AN295: USB Audio Class Tutorial 0.1 Application Notes
VCP Driver Release Notes v6.7.4 6.7.4 Release Notes
Design Considerations in Adding USB Communications to Embedded Applications 0.1 White Papers
USB Bridges Quick Reference Card 2 Miscellaneous
AN335: USB Driver Installation Utility 3.4 Example Code
AN809: Integrating the CP210x Virtual COM Port Driver into the Android Platform 0.1 Application Notes
SiLabs USB Driver Disk 4.x.4 Application Notes
CP210x USB-to_UART API Specification 1.0 Application Notes
AN976: CP2101-2-3-4-9 to CP2102N Porting Guide 1.1 Application Notes
CP2102/9 Data Sheet: Single-chip USB-to-UART Bridge 1.8 Data Sheets
Keil C51 Release Notes Release Notes
CP210x VCP Windows 6.7 Software
CP210x Windows Drivers 6.7.4 Software
CP210x Software package for Windows, includes VCP drivers 6.7.4 Software
CP210x VCP Linux 3.0 Driver Kit Software
CP210x_VCP_Win2K Software
CP210x VCP Linux 3.1 Driver Kit Software
CP210x Software package for Mac, includes VCP Drivers 6.7.4 Software
CP210x Windows Drivers with Serial Enumerator 6.7.4 Software
Keil C51 Release Notes Release Notes
CP210x Software package Release Notes 6.7.4 Release Notes
CP210x-EK Quick-Start Guide 0.2 Quick Start Guides
CP210x Windows v6.7.2 Driver Release Notes 1.0 Release Notes
CP210x_VCP_Windows_Release_Notes 6.7 Release Notes
CP210x_VCP_Win2K_Release_Notes Release Notes
USBXpress4 Release Notes 4.0.3 Release Notes
CP210x_VCP_Win_XP_S2K3_Vista_7_Release_Notes Release Notes
PB #1312162: CP2109 Self Powered VBUS Usage and VPP Recommendations Product Change Notifications (PCN)
Linux 2.6.x VCP Driver Software
Fixed Function Customization Utility (SetIDs, PortConfiguration, BaudRate Configuration) 1.3.2 Example Code
CP2109-A01-GM CAD/CAE Schematic Footprints and Symbols 1.0 Schematic and Layout Files
CP210x VCP Driver for Mac OSX 10.6 4.x.14 Application Notes
Linux 3.x.x VCP Revision History Software
CP210x Software Development Kit for Windows XP and Vista Release Notes 1.2 Software Development Kits
CP210x Software Development Kit for Windows XP and Vista 1.2 Software Development Kits
CP210x VCP v6.7 Driver for Windows XP and Vista 6.7 Drivers
Linux 2.6.x VCP Revision History Software
CP210x VCP Mac OSX Drivers Release Notes 4.11.1 Release Notes
CP210x VCP Mac OSX Drivers 4.11.1 Software
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