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Matrix Orbital LCD4041 User Manual

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LCD4041
User Manual
I
: R
2
.
MPORTANT
EAD PAGE
BEFORE APPLYING POWER

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Summary of Contents for Matrix Orbital LCD4041

  • Page 1 LCD4041 User Manual MPORTANT EAD PAGE BEFORE APPLYING POWER...
  • Page 2 Connecting LCD4041 The LCD4041 serial interface has two types of communications: RS-232 and I2C. Power is applied to the white or brown four pin SIP connector as follows: Pin 1: +5Vdc Pin 2: = SCL (I C clock) Pin 3: = SDA (I...
  • Page 3 DB-9, it must be a regulated +5Vdc supply. If the user intends to use pin 9 as the power source, the user must solder the 5 volt jumper point beside the DB-9 connector. If you have any further questions or con- cerns don’t hesitate to contact Matrix Orbital at support@matrix-orbital.com. ARNING...

  • Page 4: Command Set

    Command Set Write Text This section of the manual allows the user to send commands to the LCD to alter the appearance or behavior of the display. To utilize a command, the user must send a command prefix followed by the command in the format de- scribed in this portion of the manual.
  • Page 5 RS-232 interface, the model type value of the module. Values for various modules at the time of this publication are as follows: LCD0821 – 0x01 LCD2021 – 0x03 LCD1641 – 0x04 LCD2041 – 0x05 LCD4021 – 0x06 LCD4041 – 0x07 LK202-25 – 0x08 LK204-25 – 0x09 LK404-55 – 0x0A VFD2021 – 0x0B VFD2041 – 0x0C VFD4021 – 0x0D VK202-25 –...
  • Page 6 Set Contrast and Save Value Hex 91, Decimal 145 Syntax 0xFE 0x91 This command works in exactly the same way as the “Set Contrast” command. The only difference is it saves the contrast value in the memory of the module, whereas, the previous command only changes the value for the duration of use.
  • Page 7 Syntax 0xFE 0x4E<character between 0x00 and 0x07><8 bytes> This command creates a custom character. For the LCD4041 the user can have up to eight custom characters. To execute this command, send a command prefix followed by the character 'N'. The display will now await the number which identifies the custom character.
  • Page 8 Diagram A Data Byte 1 Data Byte 2 Data Byte 3 Data Byte 4 Data Byte 5 Data Byte 6 Data Byte 7 Data Byte 8 Pixel Layout of Display Characters 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35...
  • Page 9 Initialize Large Digits ASCII 'n', Hex 6E, Decimal 110 Syntax 0xFE 0x6E Before any large digits may be created, this command must be executed. It only needs to be sent once to initialize the custom characters for large digits. Due to the fact large digits use pre-determined custom characters, no user custom characters may be displayed or created while digits are in use.
  • Page 10 Initialize Thick Vertical Bar Graph ASCII 'v', Hex 76, Decimal 118 Syntax 0xFE 0x76 Before any thick vertical bar graphs may be created, this command must be executed. It only needs to be sent once to initialize the custom characters required for bar graph creation. Due to the fact bar graphs use custom characters, no user custom characters may be displayed or created while bar graphs are in use.
  • Page 11 LCD Character Font Chart...

  • Page 12: Specification Sheets

    Specification Sheets Environmental Specifications Standard Temp. Extended Temp. Operating Temperature 0º to +50º C -20º to +70º C Storage Temperature -20º to +70º C -40º to +85º C Operating Relative Humidity 90% max non-condensing Electrical Specification 4.75 - 5.25 Vdc (optional 7 - 15Vdc) Supply Voltage 25mA typical Supply Current...
  • Page 13 LCD4041...
  • Page 14 Appendix Hexadecimal Hex numbers are specified in C language convention as 0xUL - where U is the upper nibble and L is the lower nibble. Eg: 0xFE is 1111 1110 in binary. This is equivalent to ULH or ULh as in the binary number 1111 1110 upper...
  • Page 15 NORTH AMERICA EUROPE ANADA USTRIA HVW Technologies MEGATON Ges.m.b.H. Suite 473, 300 - 8120 Beddington Blvd. N.W. Franz-Schubert-Gasse 12, A-2372 GIESSHÜBL Calgary, Alberta T3K 2A8 Canada Telephone : +43 0 2236 43179 Telephone: +1 403 730 8603 Facsimile : +43 0 2236 4317921 Facsimile: +1 403 730 8903 Email: oesterreich@elektronikladen.de Email: info@hvwtech.com...
  • Page 16 ASIA CANDINAVIA Lawicel NDIA Klubbgatan 3 SE-282 32 Tyringe, Sweden AL Systems Telephone: +46 0 451 598 77 105, 3rd Street, Facsimile: +46 0 451 598 78 Tatabad, Coimbatore - 641012 Email: info@lawicel.com Tamil Nadu, India WWW: http://www.lawicel.com Telephone: +91-422-233166, 493960 Facsimile: +91-422-230958, 213849 Email: also@vsnl.com Lilla Fabriken...
  • Page 17 Matrix Orbital product. Matrix Orbital does not authorize it’s products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Matrix Orbital products in life support system applications implies that the manufacturer assumes all risk of such...