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Matrix Orbital GTT480272A, Руководство по оборудованию

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13 

 

5.4

 

Factory Defaults 

If the settings of your display become altered in a way that dramatically impacts usability, the default 
settings can be temporarily restored simply by removing the AUTOEXEC file in the memory card’s root 
directory.  This will reset the baud rate to 115,200. 

Содержание GTT480272A

Страница 1: ...GTT480272A Hardware Manual Revision 1 5 PCB Revision 1 4 or Higher Firmware Revision 1 0 or Higher...

Страница 2: ...h 2010 Additional Heading Numbers and Additional Formatting Clark 1 2 July 28th 2010 Added Defect Criteria Clark 1 1 July 22nd 2010 Added GTT Support Tools to Software Section Clark 1 0 June 23rd 2010...

Страница 3: ...6 2 5 1 RS422 Connections 6 3 Software 7 3 1 GTT Support Tools 7 3 2 Application Notes 7 4 Hardware 8 4 1 Standard Model 8 4 1 1 Extended Communication Power Header 8 4 1 2 Alternate Serial Header 8...

Страница 4: ...s 14 6 2 Environmental Characteristics 14 6 3 Touch Specifications 14 6 4 Power Consumption 14 6 5 ESD Performance 14 6 6 Electrical Characteristics 14 6 6 1 Absolute Maximum Ratings 14 6 6 2 Communic...

Страница 5: ...or a co ordinated appearance in any design The elegant simplicity of the familiar Matrix Orbital command structure now provides updates to the user and flow control for full two way communication Also...

Страница 6: ...d Communication Power BBC I2C Model Only 2 USB Communications EXTMUSB3FT INTMUSB3FT USB I2C Models Only 3 Alternate USB None Offered Contact Sales to Request 4 Alternate Serial None Offered Contact Sa...

Страница 7: ...ble is most commonly used for this set up as it provides connections for DB9 serial and floppy power cables To place your board in Serial mode adhere to the steps below 1 Set the Protocol Select jumpe...

Страница 8: ...roject which is best accomplished using a breadboard and the Breadboard Cable Power must be supplied from your breadboard or another external source To dive right into your application and use the GTT...

Страница 9: ...ol only Model specific hardware prevents this unit from operating in any other protocol and does not allow other models to operate in the USB protocol Protocol Select jumpers on the USB model cannot b...

Страница 10: ...any jumper changes Model specific hardware prevents this unit from operating in any other protocol and does not allow other models to operate in the RS422 protocol 2 Make the connections a Screw one w...

Страница 11: ...ag and drop commands into a list that can be transmitted to the GTT saved and even loaded for later use Figure 8 GTT Support Tools As you can see each command added is displayed its name any applicabl...

Страница 12: ...l Please note that unlike older Matrix Orbital displays hardware flow control is mandatory for serial communications in RS232 or TTL modes The Serial Molex 22 04 1061 style header used can be mated to...

Страница 13: ...ree are reserved for clocking data through the I C protocol Pins five and six are used for serial transmission hardware flow control and ignored for I C communications The Tyco 640456 4 LF style heade...

Страница 14: ...er Some advanced applications may prefer the straight four pin connection offered through the optional Alternate USB Header The Alternate USB Header may be added to the GTT480272A USB for an added cha...

Страница 15: ...ts Please refer to the Protocol Manual at http www matrixorbital ca manuals GTT Series for a complete list of available commands executable not only at start up but runtime as well 4 5 3 Mass Storage...

Страница 16: ...le from the SD card to allow the unit to start with factory defaults 5 3 Communication When communication of either text or commands is interrupted try the steps below First check the communication ca...

Страница 17: ...of your display become altered in a way that dramatically impacts usability the default settings can be temporarily restored simply by removing the AUTOEXEC file in the memory card s root directory T...

Страница 18: ...tage Parameter Min Typ MaxUnit Remarks Supply Voltage 4 75 5 0 5 25 V Standard Voltage 9 0 12 035 0 V Extended Wide Voltage VPT Table 12 Operating Current Draw ParameterMinTypMaxUnit Remarks Logic 190...

Страница 19: ...9 RS422 Interface Characteristics Parameter Min Typ Max Unit Remarks Input Voltage A and B 7 0 12 0 V Input Differential Threshold 200 125 50 mV 7V Vin 12V Differential Driver Output 2 3 3 V RL 100 Co...

Страница 20: ...16 6 8 Dimensional Drawing Figure 15 GTT480272A Dimensional Drawing...

Страница 21: ...columns by 272 rows 3 Display Form Factor A A form factor 4 Voltage NP Standard Voltage VPT Wide Voltage with Efficient Switching Power Supply 5 Protocol NP Standard Model USB USB Only Model I2C I2C...

Страница 22: ...st when read MSB Most significant bit or byte in a transmission the leftmost when read RS232 Recommended standard 232 a common serial protocol Logic levels can be as high as 30V a high level is negati...

Страница 23: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Matrix Orbital GTT480272A GTT480272A USB GTT480272A VPT GTT480272A I2C GTT480272A I2C VPT...

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