Matrix-orbital LK202-24-USB Manual de usuario

LK202-24-USB rev 1 1 LK202-24-USB User Manual

LK202-24-USB rev 1 10Warning:  When using the Alternate USB Header, verify all the cable pin outs before applying power. Incorrect power application

LK202-24-USB rev 1 112.1.3 Alternate USB Communications Please verify the pin out with your motherboard manual. 2.2 General Purpose Outputs The LK2

LK202-24-USB rev 1 12 Figure 2-3 General Purpose Outputs GPO 1, GPO 2, GPO 3 Maximum allowable current is 20mA, which is enforced by a 240ohm current

LK202-24-USB rev 1 13GPO 4, GPO 5 and GPO 6 The LK204-22-USB has three high current general purpose outputs. These are provided to control both electr

LK202-24-USB rev 1 142.4 The Built-In Character Font The LK202-24-USB includes a built-in 5 x 7 dot matrix font with the full range of ASCII characte

LK202-24-USB rev 1 15The position where text is to be inserted is a character location stored in the LK202-24-USB's volatile memory and maintaine

LK202-24-USB rev 1 162.6.10 Turn off block (blinking) cursor (254 84) (R) Turns off the blinking block cursor. Does not affect the underline cursor.

LK202-24-USB rev 1 173. Keypad Interface This chapter describes the keypad interface and associated commands in detail. 3.1 General The LK202-24-USB k

LK202-24-USB rev 1 183.3 USB Interface By default on any press of a key, the module will immediately send out the key code at the selected baud rate.

LK202-24-USB rev 1 193.4.3 Auto transmit keypresses on (254 65) (R) In this mode, all keypresses are sent immediately to the host system without the

LK202-24-USB rev 1 2Table of Contents 1. Introduction...

LK202-24-USB rev 1 204. Bar Graphs and Special Characters The LK202-24-USB includes the ability to draw bar graphs (either horizontal or vertical) and

LK202-24-USB rev 1 21Custom characters occupy a 5 x 8 pixel matrix. Built-in characters are 5 x 7: the bottom row of pixels is normally reserved for t

LK202-24-USB rev 1 225. Miscellaneous Commands The commands listed in this chapter don't readily fit in any of the other categories, or are used

LK202-24-USB rev 1 235.1.5 Backlight on (254 66 [minutes]) (R) This command turns on the backlight for a time of [minutes] minutes. If [minutes] is z

LK202-24-USB rev 1 245.1.12 Read module type (254 55) This command will return, the model type value of the module. Values for various modules at the

LK202-24-USB rev 1 255.1.16 Read Version Number 254 54) This command will return the firmware version number of the LK202-24-USB. It will be a one-by

LK202-24-USB rev 1 266. Appendix: Command Summary 6.1 General The operation of the LK202-24-USB is controlled by a simple and consistent command set.

LK202-24-USB rev 1 270111 7 7 1111 F 15 Based on the table, the byte 01001011 can be represented in hex as 4B, which is usually written as any of 4B

LK202-24-USB rev 1 28Command Syntax Default Notes 254 'G' [col] [row] The cursor marks the text insertion point in this and all commands. S

LK202-24-USB rev 1 29Command Syntax Default Notes Poll keypad FE 26 254 38 254 '&' n/a Returns buffered key presses to application. R

LK202-24-USB rev 1 38.2 Options ...

LK202-24-USB rev 1 306.7 Miscellaneous Commands Note: The letter "R" in the Default column indicates that this state can be saved to nonvola

LK202-24-USB rev 1 31 Read Serial Number FE 35 254 53 254 '5' Reads the two byte serial number of the module. Read Version Number FE 36 2

LK202-24-USB rev 1 327. Appendix: Specifications and Options 7.1 Specifications Standard Temperature Operating Temperature 0°C to +50°C Storage Tem

LK202-24-USB rev 1 33 Figure 7-1 Physical Layout 7.2 Options Options Available on LK202-24-USB Inverse Blue with White Backlight -WB Inverse Yellow

LK202-24-USB rev 1 348. Appendix: Glossary ASCII American Standard Code for Information Interchange. A 7 bit binary code representing the english alph

LK202-24-USB rev 1 35LCD Liquid Crystal Display Module Type Value This refers to the model number of the module. Pixel The smallest individually con

LK202-24-USB rev 1 36

LK202-24-USB rev 1 41. Introduction Your LK202-24-USB has the following features:  20 column by 2 line text display  built-in font with provision

LK202-24-USB rev 1 5 USB Drivers (located on our website and the eCD)  Test software, such as Alpha Demo or Display Tuner Figure 1-1 Connections

LK202-24-USB rev 1 61.6 Trying out a Keypad Since a number of different keypad types can be connected to the LK202-24-USB, the results you get may be

LK202-24-USB rev 1 71.7 Manual Override. Manual override should only be required in one instance. If for some reason the module is set at a baud rate

LK202-24-USB rev 1 81.8 Memory Chip Lock Down The LK202-24-USB uses a memory chip to store speed, startup screen, contrast and backlight brightness.

LK202-24-USB rev 1 92. Connections 2.1 Connector Pinout Refer to the diagram below for this chapter. Figure 2-1 Electrical Connections Connector Func