and product description strings. ○ On-chip power-on reset circuit. ○ On-chip voltage regulator: V output. ○ % pin and software compatible with CP Section. Page. 1. System Overview 2. Electrical Characteristics. Datasheets, CP Product Training Modules, USB Protocol Products USBXpress · CP21xx USB Bridge. EDA / CAD Models? Download from Ultra Librarian.

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CP2101 Classic USB to UART Bridge

The CP is a mature product and is not recommended for new designs. The CP is a pin and software compatible alternative for the CP The CP is recommended for all new designs. Global DC Electrical Characteristics Pin Definitions for the CP Data Formats and Baud Rates Voltage Regulator Electrical Specifications No other external USB components are required.

The CP UART interface implements all RS signals, including control and handshaking signals, so existing system firmware does not need to be modified. Contact Silicon Laboratories customer support at www. Absolute Maximum Ratings Table 2. This is a stress rating only and functional operation of the devices at those or any other conditions above those indicated in the operation listings of this specification is not implied.

Exposure to maximum rating conditions for extended periods may affect device reliability.

USB Pull-up Current should be added for total supply current. Pinout and Package Definitions Datashert 4. A 5 V signal on this pin indicates a USB network connection.

Power Dataxheet 5 V Regulator Input. This pin is the input to the on-chip voltage regulator. Pins can be left unconnected when not used. All dimensions shown are in millimeters mm unless otherwise noted. The CP will enter Suspend mode when Suspend signaling is detected on the bus. Avalanche transient voltage suppression diodes can be added for ESD protection.

The UART is programmable to support a variety of data formats and baud rates. The data formats and baud rates available are listed in Table 6. Data Formats and Baud Rates 7. A vendor ID can be obtained from www. It is also recommended to customize the serial number if the OEM application is one in which it is possible for multiple CPbased devices to be connected to the same PC. This library can be used to integrate the EEPROM programming step into custom software used by the OEM to streamline testing and serial number management during manufacturing.


Power 32h Release Number h Rev. Only one set of drivers is necessary to interface with the device. The latest drivers are available at http: See Application Note AN No Serial Port protocol expertise is required.

Instead, a simple, high-level application program interface API is used to provide simpler CPx connectivity and functionality.

Driver Customization In addition to customizing the device as described xp2101 Section 7. The certification means that the drivers have been tested by Microsoft and their latest operating systems XP and Vista will allow the drivers to be installed without any warnings or errors.

The customized drivers that are generated using the AN software are not automatically certified.

CP Classic USB to UART Bridge – Silicon Labs

They must go first through the Microsoft Driver Reseller Submission process. Contact Silicon Laboratories support for assistance with this process. These configurations are shown in Figure 9. When enabled, the 3 V voltage regulator output appears on the VDD pin and co2101 be used to power external 3V devices. For this configuration, it is recommended that the REGIN input be tied to the 3 V net to disable the voltage regulator.

This configuration is shown in Figure 9. The USB max power and power attributes descriptor must match the device power usage and configuration. It is recommended that additional decoupling capacitance e. The maximum regulator supply current is mA. The latest versions of these application notes and their accompanying software are available at: CPx Device Customization Guide.


Serial Communications Datssheet for the CPx. This application note describes how to use the standard Windows Datashete port function to communicate with the CP and includes example code.

Added additional supported operating systems on page 1. Changed VDD datasheeg of Tables 3. Added values to Table 3.

Updated package drawings in Figure 4. Removed tantalum requirement in Figure 5. Available for Windows, Mac and Linux! Characterization data, available modules and peripherals, memory sizes and memory addresses refer to each specific device, and “Typical” parameters provided can and do vary in different applications.

Application examples described herein are for illustrative purposes only. Silicon Labs reserves the right to make datashheet without further notice and limitation to product information, specifications, and descriptions herein, and does not give warranties as to the accuracy or completeness of the included information.

Silicon Labs shall have no liability for the consequences of use of the information supplied herein. This document does not imply or express copyright licenses granted hereunder to design or fabricate any integrated circuits. The products are not designed or authorized to be used within any Life Support System without the specific written consent of Silicon Labs. Silicon Labs products are not designed or authorized for military applications.

Silicon Labs products shall under no circumstances be used in weapons of mass destruction including but not limited to nuclear, biological or chemical weapons, or missiles capable of delivering such weapons. Trademark Information Silicon Laboratories Inc. Keil datashheet a registered trademark of ARM Limited.

All other products or brand names mentioned herein are trademarks of their respective holders. Hi-pro – Hearing Aid.