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C P 2 1 0 2 - E K

2

Rev. 0.5

4.  CP2102 Hardware Interface

The evaluation board is connected to a PC as shown in Figure 1.

1.

Connect one end of the USB cable to a USB Port on the PC.

2.

Connect the other end of the USB cable to the USB connector on the CP2102 evaluation board.

3.

Connect one end of the RS232 serial cable to the DB-9 connector on the CP2102 evaluation board. 

4.

Connect the other end of the RS232 serial cable to the target serial device.

Figure 1. Hardware Setup

CP2102 EK

Serial Device

RS232

CP2102 USB-to-

UART Bridge

USB

1

2

3

4

Summary of Contents for CP2102

Page 1: ...Port VCP Drivers Software Driver Customization Utility AN220 and programming examples The Windows installer should launch automatically after inserting the DVD For Mac and Linux browse to the appropriate directory on the DVD to install the software package Follow the instructions to install the SDK and drivers to the system 3 1 USBXpress Driver Development Kit The Silicon Laboratories USBXpress De...

Page 2: ...he PC 2 Connect the other end of the USB cable to the USB connector on the CP2102 evaluation board 3 Connect one end of the RS232 serial cable to the DB 9 connector on the CP2102 evaluation board 4 Connect the other end of the RS232 serial cable to the target serial device Figure 1 Hardware Setup CP2102 EK Serial Device RS232 CP2102 USB to UART Bridge USB 1 2 3 4 ...

Page 3: ...he reference point of both the host application and the serial device and it can support serial device control requests defined in the Microsoft Win32 Communications API Examples for how to communicate with the device as a serial COM port are included in AN197 on the www silabs com interface appnotes page or in the SDK If the USBXpress drivers are used the CP2102 will appear as a USB USBXpress dev...

Page 4: ...arious I O connectors J1 DB9 connector for RS232 interface J2 UART signal access connector J3 USB connector for USB interface J4 Not used D1 SUSPEND indicator LED Figure 3 CP2102 Evaluation Board 6 1 Universal Serial Bus USB Interface J3 A Universal Serial Bus USB connector J3 is provided to facilitate connections to the USB interface on the CP2102 See Table 1 for the USB pin definitions Table 1 U...

Page 5: ...criptions Table 2 RS232 Pin Descriptions Pin Signal CP2102 Direction Description 1 DCD Input Data Carrier Detect 2 RXD Input Receive Data 3 TXD Output Transmit Data 4 DTR Output Data Terminal Ready 5 GND Ground 6 DSR Input Data Set Ready 7 RTS Output Request to Send 8 CTS Input Clear to Send 9 RI Input Ring Indicator Table 3 J2 Pin Descriptions Pins Signal CP2102 Direction Description 1 2 TXD Outp...

Page 6: ...CP2102 EK 6 Rev 0 5 7 Schematic SUSPEND LED CP2102 Figure 4 CP2102 Evaluation Board Schematic ...

Page 7: ...oftware included on versions 4 0 and later of the CP210x Drivers and Product Information CD ROM Added installation instructions for USBXpress Driver Development Kit in Section 3 Software Setup Added screenshots in Section 5 CP2102 Software Interface for the Device Manager window after correct installation of driver software Revision 0 3 to Revision 0 4 Updated 3 Software Setup on page 1 Revision 0...

Page 8: ...umes no responsibility for errors and omissions and disclaims responsibility for any consequences resulting from the use of information included herein Additionally Silicon Laboratories assumes no responsibility for the functioning of undescribed features or parameters Silicon Laboratories reserves the right to make changes without further notice Silicon Laboratories makes no warranty rep resentat...

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