Getting started with the ST7 low
Contents
1. 5 7260 and ST7263B datasheets production data ST7263B ST7260 flyer This Getting Started Manual 1 3 Software installation Install the Bridgels exe file on your computer 3 12 Getting started UM0250 1 4 1 4 1 1 4 2 4 12 Hardware installation Figure 1 shows the location of the main components of the evaluation board The schematic drawing is given in Figure 6 Low speed USB RS232 Evaluation Board schematics on page 10 Figure 1 Evaluation Board Layout OST3222E on reverse side RS 232 Connector OUSB Connector amp Supply OST72F60Kx or ST72F63BDx OICC Connector USB to Serial Port Transfer Active LED Yellow Serial Port to USB Transfer Active LED Green Power supply The Low speed USB RS232 Evaluation Board is directly supplied by the USB Connector bus powered and therefore does not require an external voltage supply Data transfer via PC serial port When connected to a PC serial port for data transfer purposes a DTE Data Terminal Equipment to DTE configuration is required As a result a cross wired RS 232 cable must be used as shown in Figure 2 The Low speed USB RS232 Evaluation Board is equipped with two LEDs that display the data transfer status Yellow Orange LED USB to Serial Bus transfer is active Green LED Serial Bus to USB transfer is active Getting started UM0250 Figure 2 Cross wired2. Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom United States of America www st com 12 12 ky
3. Ti UM0250 User manual Getting started with the ST7 Low speed USB RS232 Evaluation Kit July 2006 Introduction The Low speed USB RS232 Evaluation Kit STEVAL PCC02V1 has been created to provide a complete reference design for a serial port bridge as well as an evaluation board for ST72F63B 60 devices in QFN40 package This application is used to interface between devices with a serial port RS 232 type and a host computer USB port USB data transfers comply with HID class protocols The bridge is based on a USB low speed microcontroller manufactured by STMicroelectronics which provides a maximum guaranteed USB transfer rate of 800 bytes per second Flow control has therefore been implemented to ensure data transfer integrity when interfacing with the serial port at rates up to 38400 bits per second bps The bridge application is evaluated on a PC by running a dedicated applet that controls and monitors data transfers on both the USB and serial COM ports The included hardware provides In Circuit Programming ICP capabilities for the microcontroller and almost all the MCU s I Os are available on expansion connectors to evaluate different applications The RS 232 part can be separated by removing the appropriate soldering joints shunts This can be used to modify certain firmware or hardware parameters for evaluation or customization purposes The following development tools can be ordered separately assembler linker
4. C compiler source level debugger hardware emulator programming boards and gang programmer For ordering information see our website at http vww st com mcu or contact your local sales office Rev 1 1 12 www st com Contents UM0250 Contents 1 Getting 51 3 1 1 System requirements 3 1 2 Package 3 1 3 Software installation 3 1 4 Hardware installation 4 1 4 1 Power Supply E 4 1 4 2 Data transfer via PC serial port 4 1 4 3 In Circuit Communication 5 2 Running the Low speed USB RS232 Evaluation Kit 6 2 1 INtrOGUCHION Kaa end we ae ne ee 6 2 2 Low speed USB RS232 evaluation program 7 2 2 1 Device Selection 7 2 2 2 Data Transt rs oree head E E E Meee 8 2 3 Adding extra circuitry on expansion connectors 9 3 Low speed USB RS232 Evaluation Board diagram 10 4 REVISION history 11 2 12 Ti UM0250 Getting started 1 Getting started 1 1 System requirements In order to use
5. IN ST S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZE REPRESENTATIVE OF ST ST PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPLICATIONS NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY DEATH OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE Resale of ST products with provisions different from the statements and or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever any liability of ST ST and the ST logo are trademarks or registered trademarks of ST in various countries Information in this document supersedes and replaces all information previously supplied The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners 2006 STMicroelectronics All rights reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic
6. UM0250 Running the Low speed USB RS232 Evaluation Kit 2 3 Adding extra circuitry on expansion connectors The evaluation board features two 16 hole connectors P1 amp P2 with all the microcontroller I O pins and which together with ICC connector are giving access to almost all MCU pins These connection points can be used for signal probing or adding extra circuitry needed to evaluate different applications The figures in the next section give the definition of these points for each connector 9 12 I 10 I 19945 90005051 UM0250 OT AA pquny yuaumns0q 2215 LYYN asSnN Low speed USB RS232 Evaluation Board schematics 4 gt S 5 ARIALV AA 201 s MOTTAR AI a NIJSO oy aye 001 SHS TASHA Se AE9 ANO1 XDIVA OF 0 var S td rar 512 ozz ozz su ri wr A T Tar e SIN a ae 10u q Hod
7. serial cable connection diagram 2 z 1 4 3 In Circuit Communication ICC The 10 pin connector must be connected to a programming tool in order to program or erase the microcontroller Flash memory For further information please refer to both the Protocol Reference Manual and the 577 Flash Programming Reference Manual available online from htto www st com mcu Note The USB cable must be plugged in to supply the board with voltage ky 512 Running the Low speed USB RS232 Evaluation Kit UM0250 2 2 1 6 12 Running the Low speed USB RS232 Evaluation Kit Introduction The Low speed USB RS232 Evaluation Kit consists of two main parts physical board the Low speed USB RS232 Evaluation software running on your PC First connect the evaluation board to the PC via the USB cable As a result the evaluation board is enumerated as a USB HID device as shown Figure 3 and is ready to use You may be required to insert your Windows CD ROM Figure 3 Enumeration Result System Properties General Device Manager Hardware Profiles Performance View devices by type View devices by connection Computer 2 CDROM 9 Disk drives Display adapters Floppy disk controllers amp Hard disk controllers sa Human Interface Devices B EHID compliant device a USB Human Interface Device 9 8 Keyboard E m Monitors B Mouse Network adapters m Y Ports COM amp L
8. the Low speed USB RS232 Evaluation Kit with the Windows operating system a recent version of Windows such as Windows 98 Windows Millennium or Windows 2000 must be installed on the PC The version of the Windows OS installed on your PC may be determined by clicking on the System icon the Control Panel Important When running the HID evaluation board applet provided in the package verify that the correct version of the HID dll file is installed Windows 98 HID dll Version 4 10 1998 Windows 98 SE HID dll Version 4 10 2222 Windows Millennium HID dll Version 4 90 300 1 Windows 2000 HID dIl Version 5 00 2134 1 Windows XP HID dll Version 5 1 2600 0 1 2 Package contents The Low speed USB RS232 Evaluation Kit includes the following items Hardware content One evaluation board with ICC USB and Serial connectors One soldered ST72F60K2U1 low speed USB microcontroller device QFN40 package This is a FLASH device allowing up to 100 reprogramming cycles The ST72F60K2U1 is delivered already programmed with the evaluation firmware Software contents Contact the Sales Office or www st com for the most recent version PC executable software for evaluating the USB Serial Port Bridge The source file written in Delphi is provided as an application example using the HID driver 5 7 firmware source code for the ST72F60 63B Documentation Contact the Sales Office or www st com for the most recent version
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10. PT H System devices Universal Serial Bus controllers Properties Refresh Remove Print 9 9 9 Cancel When you start the Low speed USB RS232 Evaluation program the a graphical interface is displayed for controlling and monitoring the data transfers on the USB and serial ports of the PC This PC software is also used to evaluate the enumeration process and to set the communication parameters UM0250 Running the Low speed USB RS232 Evaluation Kit 2 2 Low speed USB RS232 evaluation program 2 2 1 Device Selection USB Enumeration The Device Selection window shown in Figure 4 displays the following information Available USB HID devices All applicable devices connected to the PC are displayed in this window The ST7 RS232 USB Bridge is displayed if the enumeration has been successfully completed Device information This information obtained during the enumeration phase refers to the highlighted device in the Available Devices window Vendor ID Product ID and Version numbers Refer to the USB Specification version 1 1 or higher Additionally as string information is supported the Manufacturer name Product and Serial Number are displayed COM port settings This function selects the COM port used by the Low speed USB RS232 Evaluation program to emulate a serial port communication The selection None is not fully implemented in version 1 0 0 of the eva
11. l to USB transfers in Loop mode Unchecking this box during the data transfer aborts the transfer If the serial port is handled by another applet or PC the Automatic received box must not be checked and the Loop box must be checked depending on the required configuration USB Port These items are validated only if the bridge is connected to the USB port Hardware Flow Control done by bridge is used to enable disable the RTS CTS flow control performed by the bridge on the serial port Automatic received Serial to sent USB comparison verifies that the data received by the serial port is equal to the data sent by the USB port Loop Send USB Receive Serial is used to is used to perform USB to serial transfers Loop mode Unchecking this box during the data transfer aborts the transfer Figure 5 Data Transfer Window USB To RS232 Bridge Demonstration Application Quit About Devices selection Data Transters ix Serial USB Receiving Receiving Sending ASCII AZERTYUIOP1234567894ZERTYUIOP1234567894ZERTYUI Sending ASCII Hexa Send Send PC Flow Control Hardware RTS CTS Automatic received USB to sent Serial comparison Loop Send Serial Receive USB Hardware Flow Control done by bridge Automatic received Serial to sent USB comparison Loop Send USB Receive Serial
12. luation software Common settings This function is used to select the baudrate of the bridge in the bridge firmware If the applet is used to emulate the serial port it also configures the COM port of the PC Otherwise the serial port baudrate must be defined as the same value in the other applet or device The maximum applicable baudrate for this board is 38400 bit s Figure 4 Device Selection Window gt USB To RS232 Bridge Demonstration Application Quit About Devices selection Data Transfers USB settings Available Devices gt lt Selected device properties 577 85232 USB BRIDGE Vendor ID Manufacturer 0483 STMicroelectronics Product ID Product 0035 ST RS232 USB BRIDGE Version Serial Number 0400 COM port settings Common Settings BaudRate 38400 7 12 Running the Low speed USB RS232 Evaluation Kit UM0250 2 2 2 8 12 Data Transfers Serial Port The two following items do not apply if None has been selected in the COM Port Setting box of the Device Selection window PC Flow Control defines the flow control method used by the COM port when the applet controls the COM port of the PC Automatic received USB to sent Serial comparison verifies that the data received by the USB port is equal to the data sent by the COM port of the PC Loop Send Serial Receive USB is used to perform seria
13. ram Figure 6 Low speed USB RS232 Evaluation Board diagram 3 10 12 UM0250 Revision history 4 Revision history Table 1 Document revision history Date Revision Changes 03 Jul 2006 1 Initial release 11 12 UM0250 Please Read Carefully Information in this document is provided solely in connection with ST products STMicroelectronics NV and its subsidiaries ST reserve the right to make changes corrections modifications or improvements to this document and the products and services described herein at any time without notice All ST products are sold pursuant to ST s terms and conditions of sale Purchasers are solely responsible for the choice selection and use of the ST products and services described herein and ST assumes no liability whatsoever relating to the choice selection or use of the ST products and services described herein No license express or implied by estoppel or otherwise to any intellectual property rights is granted under this document If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein UNLESS OTHERWISE SET FORTH
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