TMS-220 User`s Manual - Triangle Micro Solutions
Contents
1. PC Bus Stop Condition PC ACK PC NAK Square brackets surround the slave address Data shown in HEX no leading 0x Table 3 1 Output data symbols and their meanings The default output is structured in a similar manner as an actual IC bus transmission with the START condition represented by the S Next is the slave address of the I C device that we are sending the message to surrounded by square brackets After that the ACK is shown represented by the A Then the data follows along with ACK s shown as A s and NAK s shown as the N Finally P indicates the stop condition This format can be modified using the Display Mode Configuration Command Enter commands at the prompt TMS 220 gt or TMS 220 lt Note that the prompt indicates the current mode of the TMS 220 with either the greater than symbol gt when in slave mode and the less than symbol lt when in the slave mode The TMS 220 supports the backspace key to delete characters from the command line To execute the command press the lt Enter gt key In all of the examples presented in this manual text entered by the user is shown in BLUE All Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 23 of 42 commands are terminated with the Enter or Carriage Return shown like this lt CR gt Address and data may be entered as hex or decimal If entered in hex use the Ox to denote that the data is2. z TMS 220 USB to IC Host Adapter User s Manual Revision A Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 2 of 42 Triangle Micro Solutions Inc 25 Oak Hollow Court Louisburg North Carolina 27549 USA Email sales trianglemicr o com service trianglemicro com On line visit http www trianglemicro com By Phone 919 495 0622 Document Revision A Date February 2007 Supports TMS 220 Firmware Revision 1 0 Limited Warranty Triangle Micro Solutions Inc warrants this product for a period of one year from the original date of purchase This warranty is extended to the original purchaser only This warranty only covers defects in material or workmanship for the TMS 220 module only The interface cables or other accessories are not covered If the TMS 220 module fails to operate properly within this one year period it will be repaired or replaced at the discretion of Triangle Micro Solutions Inc The consumer is responsible for shipping charges to return products for any reason The consumer must contact Triangle Micro Solutions and inform us prior to returning any merchandise This warranty is void if in the opinion of Triangle Micro Solutions Inc the product has become nonfunctional for any of the following reasons damaged by accident misuse or modified in anyway by unauthorized personnel Statement of Non Compliance This device generates and uses radio freque
3. Page 3 of 42 Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 4 of 42 Record of Revisions Revision Date Section Change A 28 Feb 07 All Initial release of document Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 5 of 42 Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 6 of 42 Table of Contents TABLE OF FIGURES 000 soscessssscsssecseesssssscees Oreos OERO SeSe eel O Neso ES osa i SEEE eek iera 9 1 INTRODUCTION 000000 seeseessessessessessessessoesone coseoseossoesoesoessessesseeseee coecoreoreoesoseoeeoeeese 11 1 1 DESCRIPTION ronn E E ne ERTE A od A E N E R 11 1 2 SUPPORTING DOCUMENTS anett ere oen Seese sh KE IAEE he TOTEE ENE URRE aS 11 1 3 FEATURES vetot den ne a taa a eaae e ee Eie a a E e hoy deas ares deae Sne andante 11 1 4 SPECIFICATIONS ere E E E T E AR O tea S 12 1 5 APPLICATIONS sv dek e o Sete Faso MRAK exe RVP Aya E EEEN RE AREE Nylon RO SO Noe 13 2 HARDWARE 0 00 soeeseesoessessessesseesossoesoe sassseecssesssseacesssesenseaes SR SRO POR KROK 000 KoRn nano on0 00 14 2 1 INTERFACE MODULE Spiez o VA Anton OR SRS els REBO ON KE o RS PROV VAS dake aan tase ina ae aes EN 14 22 FMS 2220 INTERFACE CABLE trare hssr ner in a e EEEE E eR ESRAS KE Eoaea ear sine 15 2 3 CUSTOM INTERFACE SOLUTION ssuscissscceze
4. General Call Support eee 3 6 1 7 Command H Help Command ee eee 3 6 1 8 Command K Set or Read the Master Clock Rate 222 cesseeeeeeeeseeeeseeesseeenee saeeeeee 3 6 1 9 Command M Set or Read the Mode ccccccccccsseecseee cecseeecsseeeseeeeeeeeseeensee seeeeeeeeeseeeseeesseeess 3 6 1 10 Command X Radix Control cccccccccccssccssceees ceeeeesecesseeceseceeseeesseee cecsseeeseeeeseeeeseeeeneeense ate 3 6 1 11 Command R Read PC Slave Device 3 6 1 12 Command S Serial Number tic ccvccccasccncesseacszcensesnvevsandeaeencostacsvsdaasesee cddcanieeesrces saddens na a a sens 3 6 1 13 Command W Write to IC Slave Device eccccsccsssssssessssetsee sesseesveseestsatsstssesasssesse sussesseaseaees 3 7 rc MASTER OPERATING MODE 0000 0000 susceccesccsscsssceesueuueeusens susqessecseeseeecesceeseeseseues 3 8 rc SLAVE OPERATING MODE ccccccscsscessecesceee 200000000 eee nek KKK KK SKK SKK KRKA ROKR OK POS APS Kao AN 4 TROUBLESHOOTING 00000 0o00000eo nooo eee on noo on ce oene R Roo Kone KOR R OSR SK R60 seserseeserseeso 41 4 1 No PROMPT SEEN WHEN ENTER KEY PRESSED cccccscsesceesesseseneae 0000000000000 00000000 en nnnnn seseseeees 41 42 ERROR MESSAGES svrsio Pon azn doba d k Paden cee PAA vec bas bt da be ed ots s din vs bw Beda T dan odd E 42 Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 7 o
5. Page 26 of 42 3 6 1 2 Command B Reboot the TMS 220 Use this command to reboot the TMS 220 Command Syntax b Arguments None Example Reboot the TMS 220 TMS 220 gt B lt CR gt Rebooting TMS 220 I2C Host Adapter v0 0 0 Built Nov 06 2006 at 22 42 25 Copyright c 2005 Triangle Micro Solutions All rights reserved www TriangleMicro com TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 27 of 42 3 6 1 3 Command C Show the Current Configuration This command is used to show the current configuration of the TMS 220 Once issued the TMS 220 displays current settings which as stored in non volitile memory Command Syntax Arguments Example C None Display the current TMS 220 configuration TMS 220 gt C lt CR gt TMS 220 Configuration Serial number Operational Mode Show NAK Show ACK Show START Show STOP Memory dump mode Master clock rate Radix Slave Address Slave Address General call support TMS 220 gt T pit sax 10 bit 12345 BLED Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 28 of 42 3 6 1 4 Command D Discover Network Nodes Use the discover command to identify all slave devices attached to an I2C bus The command will poll 0x00 OxFC will be polled to determine which devices are active Command Syntax D Arguments None Example Poll
6. 1 8 Command K Set or Read the Master Clock Rate Use this command to set the master mode clock rate to one of the following values 40Kbps 80Kbps 100Kbps 200Kbps or 400Kbps The command may also be used to read the current clock rate The clock rate being set or read is relevant to the master mode of operation only Command Syntax Arguments Example 1 Example 2 K rate rate optional When supplied the bit rate for the C bus clock is updated to the value represented by rate 0 4 Read the current C bus clock rate TMS 220 gt K lt CR gt Current I2C master clock rate is 100K Set master clock rate to 400K TMS 220 gt K 4 lt CR gt Current I2C master clock rate is 100K Requested I2C master clock rate is 400K I2C master clock successfully updated Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 33 of 42 3 6 1 9 Command M Set or Read the Mode The command is used to set the mode of the TMS 220 The TMS 200 can be operated in one of three modes bus master slave 7 bit addressing or slave 10 bit addressing The mode can be determined by observing the prompt Command Syntax Arguments Example 1 Example 2 Example 3 Example 4 M mode mode optional When supplied this specifies the desired operating mode as follows 0 Master Mode default 1 Slave Mode 7 bit addressing 2 Slave Mode 10 bit addressing Show the cu
7. Used Leave as 0 Not Used Leave as 0 Not Used Leave as 0 Table 3 3 Display Mode Output Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 30 of 42 3 6 1 6 Command G General Call Support This command is used to enable the general call support feature to be enabled or disabled Command Syntax G mode Argument mode optional When supplied the mode condition is updated and saved When mode is supplied as 0 the general call option is disabled When mode is supplied as 1 the general call support is disabled Example 1 This example shows the current general call support configuration TMS 220 gt G lt CR gt General call support DISABLED TMS 220 gt Example 2 This example enables the General Call support feature TMS 220 gt G 1 lt CR gt General ca support DISABLED Enabling General Call Support General ca mode successfully updated TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 31 of 42 3 6 1 7 Command H Help Command The help command provides a list of all commands available the syntax for each command and the arguments for each command Arguments shown in brackets are optional Arguments shown in lt gt brackets are reguired In addition the current firmware version is also shown Command Syntax H or h or Arguments None Example Display help screen T
8. addresses and show ACK NAK result Note to save space only the first two and last two are shown in this example TMS 220 gt D lt CR gt Polling the network Polled 00 got NAK Polled 02 got NAK Polled FA got NAK Polled FC got NAK Done TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 29 of 42 3 6 1 5 Command F Format Options The data output format may be altered using this command When setting the display mode one argument is supplied The display configuration data is bit wise encoded as described in table 3 3 below Command Syntax F mode Arguments mode optional When not supplied the current value is displayed To write a new display mode send the command with the mode argument Encode the bits as shown in the table The default value at power up is 0x0F Example Configure the TMS 220 to output data in memory dump format In this format data is displayed in columns with the left most column containing the address TMS 220 gt F 0x10 lt CR gt Memory dump mode enabled Format options 0x10 TMS 220 gt Control Byte FORMAT OPTIONS Show NAK responses Default 1 Enabled Show ACK responses Default 1 Enabled Show START condition Default 1 Enabled Show STOP condition Default 1 Enabled Enable memory dump format for output Bits 0 3 must be 0 in this mode Default 0 Disabled Not
9. bus This command can be supplied with a variable number of data arguments An optional repeat start condition is allowed with this command The use of the repeat stop is shown in the second example Command Syntax Arguments Example 1 Example 2 W lt address gt lt data gt lt data gt S address required The address of the device that you are writing to data required The data to be written At least one data byte is required The maximum number of data bytes is limited by the size of the command line buffer and depends on how data is entered For example using 5F instead of Ox5F will permit more data to be entered into the buffer S optional This argument enables the repeat start condition Write the address byte of a 24C04 EEPROM to 0x00 TMS 220 gt W OxA0 0x00 lt CR gt I2C Write S A0 A 00 A P TMS 220 gt Perform a random read from a 24C256 serial EEPROM This example shows how to use the repeat start feature This operation must be performed in two steps First setup the address registers using the W command terminated with a repeat start condition Next read data from the EEPROM using the R command TMS 220 gt W OxA0 0x00 0x00 S lt CR gt I2C Write S A0 A 00 A 00 A S TMS 220 gt R OxAO 0x05 lt CR gt I2C Read S Al A 00 A 00 A 00 A 00 A 00 NP TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 38 of 42 3 7 P
10. hex Example Command TMS 220 gt R OxA0 0x05 lt CR gt Example Response I2C Read NOTE This space not required S A1 A 55 A 55 A 55 A 55 A 55 NP TMS 220 gt Each command description shows the command syntax The command syntax field uses angle brackets like lt arg gt to indicate that the argument is reguired Optional command arguments are shown enclosed in sguare brackets like this arg Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 24 of 42 3 6 1 Command Summary Table of commands recognized by the TMS 220 Command Arguments address Purpose Read or write the slave address for TMS 220 to use when in slave mode None Reset or reboot the TMS 220 None Display TMS 220 configuration current state of all module parameters None Discovery command This command polls to bus to determine what I2C devices are attached mode 01 Read or write the format control byte The format control is applied to displayed data in the master mode Read or write the general call support control None Display help 0 1 2134 Read or write the master clock rate 0 12 Read or write the mode lt address gt lt num gt Master mode read command None Display the serial number lt address gt lt data gt Master mode write command 0 1 Read of write the radix supports decimal or hexadecimal Table 3 2 S
11. or macro or high level languages Data formatting control including Hex dump mode for reading EEPROM memories Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 11 of 42 1 4 Specifications The following specifications apply to the TMS 220 Host Adapter Interface Module Voltage Current Draw PC Bus Speed Master Mode USB Baud Rate C Bus Connector Mechanical Dimensions Operating Temperature 5V supplied by the USB port TBD 40K 10K 40K 100K 400K 57 6K RJ 45 3 in x 1 625 in x 0 750 in 0 C 32 F to TBD C 70 F Table 1 1 Specifications Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 12 of 42 1 5 Applications There are many possible applications for the TMS 220 Here are just a few ideas Product Development l 2 3 4 Experiment with new I C devices to study their behavior Debugging new circuit board designs Program I C serial EEPROM devices during the initial stage of firmware development Hardware Software Integration Testing Manufacturing l 2 Production Test Equipment Serial EEPROM initialization and test The TMS 220 can be used to read or write any EEPROM that supports the IC protocol Subassembly testing especially if the system master is normally contained on a separate circuit board Electronic Repair and Maintenance l Di 3 Equipment calibration Restore factory de
12. C Master Operating Mode When the TMS 220 is in I C Master Mode the following prompt is displayed TMS 220 gt Enter commands at the prompt The lt BACKSPACE gt key can be used to correct mistakes Press the SENTER gt or lt CR gt key to execute a command In master mode IC slave devices can be read using the read command as shown below R lt address gt lt num bytes gt See the documentation in the previous section for examples In order to use the read command the slave address must be known The data sheet for the device that you wish to read data from should be consulted to determine the address Some devices may respond to multiple addresses depending on pin programming or register programming 3 8 FC Slave Operating Mode When the TMS 220 is in IC Slave Mode the following prompt is displayed TMS 220 lt When an I C master addresses the TMS 220 operating in slave mode for the purpose of writing data to it the TMS 220 will display an exclamation mark to indicate that it is receiving data from a bus master The TMS 220 will then display its address followed by all of the data received from the slave The following example illustrated the process Master Sends TMS 220 Slave address 0x50 Output Address 0x50 Data Byte 1 OxAA Data Byte 2 0x55 TMS 220 lt 50 AA 55 AA 55 Data Byte 3 OxAA Data Byte 4 0x55 Figure 3 7 TMS 220 Slave Response to Write Command Copyright 2007 Trian
13. MS 220 gt H lt CR gt TMS 220 I2C Host Adapter v0 0 0 Built Nov 06 2006 at 22 42 25 Copyright c 2005 Triangle Micro Solutions All rights reserved www TriangleMicro com Help command Usage A address Write slave address 0x50 is default slave mode only B Reset reboot the TMS 220 C Show current TMS 220 configuration D Poll all I2C addresses to discover what devices are available F mode Format output data 0x0F is default Argument mode is bit mapped as follows Bit 0 Show NAK Bit 1 Show ACK Bit 2 Show START Bit 3 Show STOP Bit 4 Memory dump mode Bits 5 7 are not used G 011 General call support slave mode only 0 Disabled default L Enabled H Show this HELP screen also K 011121314 Set the master mode clock 0 40K bits L 80K bits 2 100K bits 3 200K bits 4 400K bits M 01112 Show or set the mode 0 I2C Master Mode Default L I2C 7 bit slave 2 I2C 10 bit slave R lt addr gt lt num gt Read from slave I2C device addr I2C Device Address num Number of bytes to read from addr S Display the TMS 220 serial number W lt addr gt lt dl dn gt Write data to slave I2C device X 011 Set radix O Hex default 1 Decimal Square brackets indicate optional arguments Angle brackets lt gt indicate required arguments TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 32 of 42 3 6
14. Module connect a USB cable to the interface module and connect the TBD side of the cable to any available USB port on your computer The first time that you connect the TMS 220 your computer should indicate new hardware found Your computer will ask for the location of a device driver Installing the USB Port Driver Insert the CD ROM supplied with the TMS 220 into your CD ROM drive Upon connecting the TMS 220 to your computer s USB port for the first time you will see the following dialog window Select No not this time and select Next Found New Hardware Wizard Welcome to the Found New aes Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Read our privacy policy Can Windows connect to Windows Update to search for software Yes this time only very time connect a device Click Next to continue lt Back Cancel Figure 3 1 Found New Hardware Dialog In the next dialog window you will be asked how to install the driver software Choose Install the software automatically recommended and click Next to continue Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 18 of 42 Found New Hardware Wizard This wizard helps you install software for USB High Speed Serial Converter If yo
15. ents of this document for the X R A command to see the reguired and optional arguments 5 ERROR Failed to save configuration change Configur ation data not saved 10 M internal memory X ERROR Invalid rate use 0 40K 1 80K ee i 2 100K 3 200K 4 400K selection Requested mode is not 7 ERROR Invalid mode requested available Choose another M mode Radix code is not available 8 ERROR Invalid radix O HEX 1 DEC Choose a radix code from the X list supplied 0 or 1 The slave address is not valid 9 Syntax error Invalid slave address Ch ose a valid address R A The read command is not 10 Command not available in slave mode supported when the TMS 220 R W 1s configured as a slave device The slave 10 bit slave address 11 ERROR Upper byte of 10 bit slave address was not correct Try another IA must be B 1111 0XX R W address that follows the supplied pattern End of Document Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 42 of 42
16. er communications port has been selected in the applications configuration dialog Verify that your software is configured for the correct serial port and that the communications parameters are set as shown in table 4 1 below Parameter TMS 220 Baud Rate Data Bits Parity Stop Bits Flow Control Table 4 1 Serial Port Parameters Verify that the target circuit is powered After checking all of these things if you still are having difficulty try disconnecting the TMS 220 from the host wait 10 seconds and then reconnect it to the host The boot up message should appear on the terminal window Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 41 of 42 4 2 Error Messages The following table summarizes the various error messages that may be displayed by the TMS 220 along with the probable cause and the commands that are capable of generating them No Error Message Cause Commands 1 ERROR Failed to save mode Configuration data not saved to F internal memory Supplied argument is the same F G K 2 ERROR No change in value as current configuration No M X change made The command was not formatted properly or the F G K i ERROR Syntax error command is not a valid or X A supported command There were more arguments than expected supplied with the command Consult the section F G K 7 ERROR Top many argum
17. f 42 Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 8 of 42 Table of Figures Figure 2 1 Figure 2 3 Figure 2 4 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Figure 3 8 TMS 220 I C Host Adapter Interface Module ccccscssssscssessessees cesessesessessessessessessessens eases 14 Cable for Custom Applications option P N TMS CBL 0 en 16 RJ 45 Connector on TMS 220 Front View e e 444 ceecseceseseceeseeeecseeessneeee seesseees 17 Found New Hardware Dialog sive ziskov a Seed ena et naires eo en Uvede ko d lan ok Kek tau AEEA 18 Choose Installation Modereer EEE EE nina KEO VEKRA an an VRR iad ako eee 19 Windows Logo Test Warning 10 teeta ae G0 utne lak Sine Metastases 19 Software Installation Progress iseeneses eine e enone naine Ereni i ae aaeh EN EERE rnae 20 Final Installation Dialog sonenn ene RERE A A EE E E R 20 Typical IC Bus Connection zbije cash sd et Aan aa tit EN a Dee ach ack eR ah eal 22 TMS 220 Slave Response to Write Command ee ceceeeesseeeeeceeeesneeeneeeeees estss 39 TMS 220 Slave Response to Read Command c ceceeccceseesseeene ceceeceseeeeaeceeeecneeeneeeeee sereset 40 Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 9 of 42 Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 10 of 42 1 Introduction 1 1 Description The TMS 220
18. fault data to EEPROM memories Security code reprogramming Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 13 of 42 2 Hardware 2 1 Interface Module The hardware consists of a small plastic enclosure which contains a microcontroller The microcontroller connects to your computer s serial port through USB port Located on the bottom of the TMS 220 is the RJ 45 jack which is used to connect the TMS 220 to the IC bus The interface cable plugs into the RJ 45 jack Image 2 1 shows a TMS 220 TMS 220 USB PC Host Adapter Figure 2 1 TMS 220 TC Host Adapter Interface Module Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 14 of 42 2 2 TMS 220 Interface Cable The Interface Cable supplied with the TMS 220 is terminated on one end with a RJ 45 plug which is inserted into the TMS 220 interface module The other end is terminated with pin receptacles which can be inserted onto the test hooks supplied The supplied test hooks are suitable for connecting the TMS 220 directly to target circuits Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 15 of 42 2 3 Custom Interface Solution If you would like to create your own custom interface solution you may purchase a cable without terminations on the target side and connect it however you wish For example you may want to use a special connector or you may want to wire it directly to you
19. ft Hyper Terminal If you do not have terminal emulation software and you are using the Microsoft OS you can download the TeraTerm program from the URL listed here http hp vector co jp authors VA002416 teraterm html The TeraTerm program has a built in macro language that is easy to learn and is ideal for creating simple utilities for use with the TMS 220 Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 22 of 42 3 5 3 6 First Time Usage Once the TMS 220 has been installed and you have it connected to the I C bus start your terminal emulation software Pressing the Enter key CR should cause the prompt TMS 220 gt to be displayed in your terminal window If you do not see the prompt consult the Troubleshooting section at the end of this manual Once you have the prompt just enter commands as described in section 3 5 ASCII Command Protocol The TMS 220 uses a pure ASCII command protocol All commands begin with the forward slash followed by a letter of the alphabet case insensitive Then additional bytes may follow as defined by the specific command Command arguments may be provided in hexadecimal 0x7F or decimal 127 notation Data output will default to hexadecimal format but the radix X command permits the user to change the format to decimal All of the symbols that make up output messages from the TMS 220 are shown in Table 3 1 below TC Bus Start Condition
20. gle Micro Solutions Inc All rights reserved Page 39 of 42 When an I C master addresses the TMS 220 operating in slave mode for the purpose of reading data from it the TMS 220 will display a guestion mark prompt and wait for data to be supplied The following example illustrated the process Read 5 bytes from the slave device who s TMS 220 Slave at address 0x50 address is 50 hex Master Sends Output Address 0x50 TMS 220 lt Data Byte 1 0x05 AA Enter data at prompt 55 Enter data at prompt AA Enter data at prompt 55 Enter data at prompt AA Enter data at prompt Figure 3 8 TMS 220 Slave Response to Read Command Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 40 of 42 4 Troubleshooting This section is provided to assist users of the TMS 220 to troubleshoot and fix problems that might arise Should you encounter a problem that can not be solved using the information that is contained here contact service trianglemicro com for assistance 4 1 No Prompt Seen when Enter Key Pressed If you do not see the TMS 220 prompt follow the check list below l Verify that you have the correct communications port selected for the software that you are using and that the TMS 220 is connected to the port that you have selected If you are using terminal emulation software such as TeraTerm verify that the prop
21. ial Converter Click Finish to close the wizard lt Back i E Cancel Figure 3 5 Final Installation Dialog The USB High Speed Serial Converter software that you have installed appears as a standard Com Port to your software Therefore there will be a port number assigned to it once it has been installed for example COM4 This is a virtual com port but to your software it appears as a real com port This allows you to use common software that was originally designed to work with RS 232 style COM Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 20 of 42 3 2 1 Identifying the Serial Port COM Port When the USB driver is installed a specific serial port assignment will be made You will need to know the serial port being used by the TMS 220 so that your application software i e Microsoft Hyper Terminal can be configured to communicate with the TMS 220 To determine the serial port selection under Windows XP follow these steps Click the Start button in the lower left corner of Windows Task Bar Select Settings Select Control Panel From the Control Panel select System In the System Properties dialog box select the Hardware tab Select Device Manager within the Device Manager dialog box there should be a tree diagram of all devices installed on the system 7 Find the branch labeled Ports COM and LPT Ex
22. is HEX Setting radix to DEC Configuration successfully updated TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 35 of 42 3 6 1 11 Command R Read IC Slave Device This command initiates a write operation to a device on the IC bus There are two required arguments The first argument is the slave device address The second is the number of bytes that you want to read The format of the output from this command may be altered by using the F format control command Command Syntax R lt address gt lt num bytes gt Arguments address required The address of the slave device that the read command is intended for num_bytes required The number of bytes to be read from the slave device Example 1 Read 5 bytes from the current address of a 24C04 EEPROM TMS 220 gt R 0xA0 0x05 lt CR gt I2C Read S Al A FF A FF A FF A FF A FF NP TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 36 of 42 3 6 1 12 Command S Serial Number Display the serial number of the TMS 220 Command Syntax S Arguments None Example Read the TMS 220 serial number TMS 220 gt S lt CR gt TMS 220 Serial Number 1234 TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 37 of 42 3 6 1 13 Command W Write to IC Slave Device This command performs a write operation to an I C device on the
23. is an I C Bus Host Adapter with a USB interface to the host computer The TMS 220 uses an ASCII protocol and is backward compatible with our TMS 200 and TMS 210 IC Bus Host Adapters The TMS 220 connects directly to the USB port of your computer using a standard USB A Male USB B Male cable The USB port provides power for the TMS 220 therefore no external power supply is reguired The TMS 220 serves as an I C bus master or slave that can be controlled by your computer In order to make the connection to the C bus an interface cable is provided The interface cable is terminated with micro grabbers that can be attached directly to pin of an integrated circuit DIP or SOIC 1 2 Supporting Documents Reference documents 1 3 Features IC Bus Specification V2 1 Philips Corporation Visit http www semiconductors philips com buses i2c_ to obtain this document Features of the TMS 220 include fet 0 Oe OO Functions as an I C master Functions as an C slave Supports 7 bit and 10 bit addressing modes User selectable C bus data rate up to 400 Kbps USB port powered so external power adapters is not needed Simple easy to remember ASCII protocol Includes USB drivers for the follow operating systems Windows 98 98SE 2000 ME XP CE 4 2 and Linux 2 40 and greater USB driver appears a COM port so the TMS 220 can work with standard software such as Microsoft Hyper Terminal Easy to program using scripting
24. ncy RF energy and could emit sufficient levels of RF energy to interfere with other devices An increase in emissions is possible when this device is connected to external equipment This device is intended to be used in a laboratory environment only It has not been tested for compliance with the limits for a class A computing device pursuant to subpart J of part 15 of the FCC regulations It is the user s responsibility to take corrective action if interference occurs USE THIS DEVICE AT YOUR OWN RISK Please read this documentation before using the TMS 220 While the TMS 220 can be a useful tool it must also be understood that the TMS 220 could render target devices non functional If you are using the TMS 220 to write data to EEPROM memory devices be sure to make a back up copy of any data that is critical for the operation of the device Triangle Micro Solutions is not responsible for any malfunctions damage loss of business or loss of data caused by the TMS 220 regardless of how the damage occurs These devices are not designed for use in life support appliances devices systems or in any application where a malfunction may reasonably be expected to cause personal injury or loss of life Trademarks Windows is a trademark of Microsoft Corporation CT is a trademark of Philips Corporation Copyright 2007 Triangle Micro Solutions Inc All Rights Reserved Copyright 2007 Triangle Micro Solutions Inc All rights reserved
25. nvctssnacsponceots soucciaesdestonkhevedesaesvestsnisdashpuacegub cosednnstsvodenesets 16 2 4 INTERFACE CABLE DATA be scopes eo ease EEA wae RO SL da eed OR cae es 17 3 USING THE TMS 220 ccsccssssscssscscees coeeseeseeseeseesecssessessessoe sescssscessesssssscessssssessee secseseesesseeeses 18 3 1 INSTALLING THE TMS 220 INTERFACE MODULE cccccsssessesseeceeee 000000000 000000 eee neo een n n nn n secere 32 INSTALLING THE USB PORT DRIVER vanek riie dohad R VA nov EVR KU Vu E ada okn v 321 Identifying the Serial Port COM Port lt ee seen 3 2 2 Changing the Serial Port COM Port 000000 seeeseeentees 237 UGONNECTION TOC BUS az ceric oo test aha oko lva soda kk bein ated 3 4 SOFTWARE ocitevscaitectitcavecchs veces Seer OH settle PLAN UVA MALE tian dea PSO a s evo Ree TE A ek nd 3 5 FIRST TIME USAGE os icc sha ob teds soda do 0h danke sdicoaaceade conbacsuelaneabacugeeducloassaunoashspancal netics Seo z ta Vo kde koa 3 6 ASGILCOMMAND PROTOCOL nn dated ooo E DEUS at el A rev aata A ra ea es za AR ek 3 6 1 Command SumMAry apies Eier E ETE E ETE E E E ERE N 3 6 1 1 Command A Address Configuration eeessssessessssseeesse sereseststesssristssestntstsne een ent 3 6 1 2 Command B Reboot the TMS 220 3 6 1 3 Command C Show the Current Configuration 3 6 1 4 Command D Discover Network Nodes 2 eee 3 6 1 5 Command F Format Options eee 3 6 1 6 Command G
26. pand this branch to find the port labeled USB Serial Port This is the port used the TMS 220 The COM port in use will be listed O 3 2 2 Changing the Serial Port COM Port 3 3 The port chosen by the installation software may not be the port that you want to use because it may not be supported by your software If you want to change the Connection to C Bus Connecting the TMS 220 to the I C bus can be accomplished in a number of ways The most direct method is shown below in image 3 1 which shows a TMS 200 connected to a IC EEPROM Consult the chip documentation for TC bus connections on other chips and packages Note that Image 3 1 shows a TMS 200 connection A TMS 210 connection must have the RED test clip attached to a suitable voltage source i e the Vec pin of the target I C device Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 21 of 42 Clock SCL Data SDA Target C Device Vss GND a Figure 3 6 Typical I C Bus Connection Only connect the TMS 220 to target circuits when power is shut off Take care not to inadvertently allow probes to come in contact with adjacent pins once power is applied 3 4 Software There is no application software supplied with the TMS 220 To use the TMS 220 you will need either Terminal Emulation Software or custom software that create you self You may have terminal emulation software installed on your computer such as Microso
27. r eguipment Spare non terminated cables may be obtained from Triangle Micro Solutions option P N TMS CBL The cable supplied is approximately 7 ft 2 1 m in length and is terminated only at one end with the RJ 45 connector Use the information listed in table 2 1 below to determine how to connect the cable to your hardware Figure 2 2 Cable for Custom Applications option P N TMS CBL Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 16 of 42 2 4 Interface Cable Data Information is provided here which may be useful should you decide to create a custom interface solution Table 2 1 below identifies the function wire color and test hook color for both of the cables described in the previous sections Figure 3 6 below the table shows the RJ 45 connector on the TMS 220 with pins 1 and 8 shown as a reference Modular Test Hook Colors Connector Function 2 VC Cable Pin Number Not Used Orange Not Used Not Used Grey Not Used Ground Black Black SCL clock Green Green Not Used Red Not Used SDA data Yellow Yellow Not Used Brown Not Used Not Used Blue Not Used Table 2 1 Interface Cable Data J i rr rr Figure 2 3 RJ 45 Connector on TMS 220 Front View Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 17 of 42 3 Using the TMS 220 3 1 3 2 Installing the TMS 220 Interface Module To install the TMS 220 Interface
28. rrent mode TMS 220 gt M lt CR gt Current mode is I2C Master TMS 220 gt Set the mode to slave mode with 7 bit addressing TMS 220 gt M 1 lt CR gt Current mode is I2C Master New mode selection I2C 7 Bit Slave Mode successfully updated TMS 220 lt Set the mode to slave mode with 10 bit addressing TMS 220 gt M 2 lt CR gt Current mode is I2C Master New mode selection I2C 10 Bit Slave Mode successfully updated TMS 220 lt lt Set the mode to master mode TMS 220 lt lt M 0 Current mode is I2C 10 Bit Slave New mode selection I2C Master Mode successfully updated TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 34 of 42 3 6 1 10 Command X Radix Control Use this command to view and modify the current radix for output data The default value is 1 which indicates the radix is base 16 HEX Setting the value to 0 makes the radix base 10 decimal This affects the data fields in the output from both the read or writes commands Command Syntax X radix Arguments radix optional When not supplied the command responds with the current radix setting When supplied it should only be 0 or 1 1 Format data in hex default 0 Format data in decimal Example 1 Set the radix to base 10 decimal TMS 220 gt X 0 lt CR gt Radix is DEC Example 2 Set the radix to base 16 hexadecimal TMS 220 gt X 1 lt CR gt Radix
29. ummary of Commands Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 25 of 42 3 6 1 1 Command A Address Configuration Use this command to view the current slave address setting or change the slave address setting of the TMS 220 This command sets slave address values for both 7 bit and 10 bit modes When there are no arguments supplied the TMS 220 will return the current setting When one argument is supplied the TMS 220 will write a 7 bit address When two arguments are supplied the TMS 220 will write a 10 bit address Command Syntax A address Arguments address optional When supplied the address argument is configured as the new slave address The address argument may be supplied as an 8 bit argument in the range of 0 255 decimal 0x00 OxFF Hex or as a 16 bit value for 10 bit addressing modes Example 1 Read the current slave address setting TMS 220 gt A lt CR gt Slave address 7 bit 50 Slave address 10 bit FF50 TMS 220 gt Example 2 Write a 7 bit address TMS 220 gt A AO lt CR gt Slave address 7 bit 50 Slave address 10 bit FF50 Setting 7 bit slave address to A0 TMS 220 gt Example 3 Write 10 bit address TMS 220 gt A FO 10 lt CR gt Slave address 7 bit 00 Slave address 10 bit FF00 Setting 10 bit slave address to F010 TMS 220 gt Copyright 2007 Triangle Micro Solutions Inc All rights reserved
30. ur hardware came with an installation CD or floppy disk insert it now What do you want the wizard to do Click Next to continue lt Back Cancel Figure 3 2 Choose Installation Mode The next dialog window will indicate that the USB High Speed Serial Converter has not passed Windows Logo testing Select Continue Anyway Hardware Installation A The software you are installing for this hardware USB High Speed Serial Converter has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Continue Anyway E Figure 3 3 Windows Logo Test Warning Copyright 2007 Triangle Micro Solutions Inc All rights reserved Page 19 of 42 Found New Hardware Wizard Please wait while the wizard installs the software DON lt USB High Speed Serial Converter 9 ftdiunin exe To CAWINDOWS system32 PTTL TTT TTT Cancel Figure 3 4 Software Installation Progress Found New Hardware Wizard yy Completing the Found New D Hardware Wizard S The wizard has finished installing the software for USB High Speed Ser
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