Matrix-orbital LK162-12 Legacy Manual de usuario

LK162-12 rev 4 1 LK162-12 User Manual

LK162-12 rev 4 102. Connections 2.1 Connector Pinout Refer to the diagram below for this chapter. Figure 2-1 Electrical Connections The LK162-12 ha

LK162-12 rev 4 111 2 3 4 Figure 2-2 Power connector Pin 1 +5.0 VDC (+7 to +15 Vdc with wide voltage option) Pin 2 SCL (I2C clock) / Tx Pin

LK162-12 rev 4 12The 12 volt power cable is designed for use with wide voltage range display modules mounted in a PC. Wiring required for the 12 volt

LK162-12 rev 4 138 bits, no parity, 1 stop bit. 2.1.4 DB9 Connection A standard DB-9F is provided for RS-232 communications. Power may also be suppl

LK162-12 rev 4 141 2 3 4 Pin 1 Vdc Pin 2 Tx Pin 3 Rx Pin 4 Ground 2.1.6 TTL Communications The LCD2041 can be talked to at TTL (logic 0V

LK162-12 rev 4 1510001010. Matrix Orbital would describe the Philips I2C address of 45hex as 8Ahex. The read address would be 8Bhex. For more inform

LK162-12 rev 4 16 Figure 2-8 General Purpose Outputs Maximum allowable current is 20mA, which is enforced by the current limiting resistor. If the de

LK162-12 rev 4 173. Displaying Text This chapter describes the various text-display commands in detail. A quick reference summary of all text command

LK162-12 rev 4 18In addition to the built-in characters, users may define up to 8 special characters (which, once defined, occupy positions 0x00 to 0

LK162-12 rev 4 193.4.7 Turn on underline cursor (254 74) (R) Turns on the underline cursor. The cursor shows the current text insertion point. Both

LK162-12 rev 4 2Table of Contents 1. Introduction...

LK162-12 rev 4 204. Keypad Interface This chapter describes the keypad interface and associated commands in detail. 4.1 General The LK162-12 keypad

LK162-12 rev 4 21 Columns 1 2 3 4 1 ‘A’ 41 Hex ‘F’ 46 Hex ‘K’ 4B Hex ‘P’ 50 Hex 2 ‘B’ 42 Hex ‘G’ 47 Hex ‘L’ 4C Hex ‘Q’ 51 Hex Rows 3 ‘C’ 43 Hex

LK162-12 rev 4 22[mode] = 0x01 gives Key down / Key up code mode Two Modes of auto repeat are available and are set via the same command. 1. Resend

LK162-12 rev 4 23between menu changes to prevent jumping around the menu tree. It may also be used to, in effect, reset the keypad in case the host a

LK162-12 rev 4 245. Bar Graphs and Special Characters The LK162-12 includes the ability to draw bar graphs (either horizontal or vertical) and allows

LK162-12 rev 4 25Custom characters occupy a 5 x 8 pixel matrix. Built-in characters are 5 x 7: the bottom row of pixels is normally reserved for the

LK162-12 rev 4 26txUart.sendByte(0); txUart.sendByte(0); txUart.sendByte(0); txUart.sendByte(0); txUart.sendByte(0x00); //display custom chara

LK162-12 rev 4 276. Miscellaneous Commands The commands listed in this chapter don't readily fit in any of the other categories, or are used in

LK162-12 rev 4 286.1.4 Set contrast and save (254 145 [contrast]) This command works in exactly the same way as the “Set Contrast” command. The only

LK162-12 rev 4 296.1.12 Set I2C address 254 51 [address]) This command sets the I²C write address of the module. This value must be an even number a

LK162-12 rev 4 3 4.5 Keypad Commands...

LK162-12 rev 4 306.1.13 Read module type (254 55) This command will return, over the RS-232 interface, the model type value of the module. Values fo

LK162-12 rev 4 316.1.17 Read Version Number (254 54) This command will return the firmware version number of the LK162-12. The firmware version numb

LK162-12 rev 4 327. Appendix: Command Summary 7.1 General The operation of the LK162-12 is controlled by a simple and consistent command set. Comman

LK162-12 rev 4 330101 5 5 1101 D 13 0110 6 6 1110 E 14 0111 7 7 1111 F 15 Based on the table, the byte 01001011 can be represented in

LK162-12 rev 4 34 Auto scroll off FE 52 254 82 254 'R' off R Disables auto scroll. Text will wrap to top left and overwrite existing text.

LK162-12 rev 4 35Command Syntax Default Notes 254 'A'

LK162-12 rev 4 36 Auto transmit key presses off FE 4F 254 79 254 'O' off R Up to 10 key presses buffered until polled. Clear key buffer FE

LK162-12 rev 4 377.7 Miscellaneous Commands Note: The letter "R" in the Default column indicates that this state can be saved to nonvolati

LK162-12 rev 4 38Command Syntax Default Notes Read module type FE 37 254 55 254 '7' see table Reads the module type. See table in sect

LK162-12 rev 4 398. Appendix: Specifications and Options 8.1 Specifications Environmental Specifications Standard Temperature Extended Temperatur

LK162-12 rev 4 47.6 Bar Graphs and Special Characters...

LK162-12 rev 4 40 Figure 8-1 Physical Layout 8.2 Options Options Available on LK162-12 Extended Temperature E Wide Voltage V Inverse Yellow; Black

LK162-12 rev 4 419. Appendix: Glossary ASCII American Standard Code for Information Interchange. A 7 bit binary code representing the english alphab

LK162-12 rev 4 42bus and each one can act as a master by initiating a data transfer. Interface A means by which two systems interact. LCD Liquid

LK162-12 rev 4 51. Introduction Your LK162-12 has the following features: ?? 16 column by 2 line text display ?? built-in font with provision for up

LK162-12 rev 4 6?? A power cable with a 4 pin connector (same connector as used to connect 3.5 inch floppy drive). Do not connect the LK162-12 to an

LK162-12 rev 4 71.6 Trying out a Keypad Since a number of different keypad types can be connected to the LK162-12, the results you get may be a litt

LK162-12 rev 4 81.7 Manual Override Manual override should only be required in one instance. If for some reason the module is set at a baud rate whi

LK162-12 rev 4 9 UNLOCKED LOCKED To lock down the memory chip, solder the jumper as shown in the LOCKED picture above. This will lock down the memo