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CYUSBS232 QUICK START GUIDE

Step 2: Powering the board*

• Connect the board to the PC using the USB cable
•  LED D1 (as shown in next page) glows to

  indicate the board is powered

Step 1: Software Installation

• Download and Unzip the ISO file from

  www.cypress.com/go/CYUSBS232

•  Run cyautorun.exe and follow the steps in the

  installer window
•  Install Tera Term from the following location: 

  <install directory>/Cypress/CYUSBS232 RDK/

  1.0/teraterm

Step 3: Enumeration

• Device will appear as a USB Serial Port 

(COM#)

   in the Device Manager (For example, in Win 7,

  click 

Start > Control Panel > Device Manager

)

Step 4: Testing basic UART functionality

• Connect TXD to RXD with the “Jumper wire”, 

  refer picture in next page 
• Run Tera Term (

Start > All Programs > Tera Term

)

• In ”Tera Term: New Connection“ window, click

 

Serial

 and select Port 

(COM#)

, click 

OK

•  Enable local echo option (go to 

Setup > Terminal

  and check the local echo box)
• Type “HELLO WORLD”. Text will appear

  on the same terminal **

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*  Connect the board to PC only after software installation. For the latest software updates and MAC/

 

LINUX/Android users visit 

www.cypress.com/go/usbserial

 **  Each character will appear twice – “HHEELLLLOO  WWOORRLLDD”

Notes:

Kit operation: Data is transmitted from USB to UART (TXD). The TXD-RXD loop back connection enables the data

to be fed back to the UART (RXD) to USB and is displayed on the Tera Term window

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Kit Based on USB-UART LP Bridge – CY7C65213

USB-UART REFERENCE DESIGN KIT 

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