VK202-25-USB Matrix Orbital, VK202-25-USB Datasheet
VK202-25-USB
Specifications of VK202-25-USB
Related parts for VK202-25-USB
VK202-25-USB Summary of contents
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... VK202-25-USB Technical Manual Revision: 1.0 ...
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... Changing the I C Slave Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.3 Changing the Baud Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.4 Setting a Non-Standard Baud Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 5 Text 5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 5.1.1 Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.1.2 Control Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.2 Auto Scroll 5.3 Auto Scroll Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.4 Clear Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.5 Changing the Startup Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Matrix Orbital VK202-25-USB ...
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... Auto Transmit Key Presses 9.3 Auto Transmit Key Presses Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 9.4 Poll Key Press . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 9.5 Clear Key Buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 9.6 Set Debounce Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 9.7 Set Auto Repeat Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 9.8 Auto Repeat Mode Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 9.9 Assign Keypad Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Matrix Orbital VK202-25-USB iii ...
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... General Purpose Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 13.5 Dallas 1-Wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 13.6 Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 13.7 Display Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 13.8 Data Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 13.9 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 13.10Command By Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 14 Appendix 14.1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 14.1.1 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 14.1.2 Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 14.2 Optical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 14.3 Physical Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 14.4 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 14.5 Contacting Matrix Orbital . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Matrix Orbital VK202-25-USB ...
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... Figure 1: VK202-25-USB Filter Options 1 Getting Started The VK202-25-USB is an intelligent VFD display designed to decrease development time by providing an instant solution to any project. With the ability to communicate via USB protocol, the versatile VK202- 25-USB can be used with virtually any controller. The ease of use is further enhanced by an intuitive command structure to allow display settings such as brightness, and baud rate to be software controlled ...
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... NOTE Matrix Orbital provides all the interface accessories needed to get your display up and running. You will find these accessories and others on our e-commerce website at http://www.matrixorbital.com. To contact a sales associate see Section 14.5 on page 53 for contact information. Matrix Orbital Figure 2: 3ft mini-B USB VK202-25-USB 2 ...
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... Matrix Orbital Figure 3: Keypad Mountings Figure 4: Mounting Kits VK202-25-USB 3 ...
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... Software controlled brightness with configurable time-out setting minutes and software con- trolled speed • Use key keypad with a 10 key buffer • Horizontal or vertical bar graphs • Fits Matrix Orbital’s mountings without any modifications Matrix Orbital Figure 5: 4X4 Keypad VK202-25-USB 4 ...
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... Connecting The VK202-25-USB connects seamlessly and excellent means of testing the functionality. To connect your display to a PC, you will require a USB cable such as the one pictured order to connect your USB display to a personal computer simply plug the mini-B USB cable from the PC to the USB connector on the display. ...
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... NOTE uProject and other alphanumeric software may also be downloaded from Matrix Orbital’s support site at http://www.matrixorbital.ca/software/software_alpha/ 2 Hardware Information Refer to the following diagram for this chapter: Matrix Orbital Comprt Baudrate Figure 7: uProject Settings VK202-25-USB The serial port the display is plugged into. The communication speed the display module is set to. (Default 19,200) 6 ...
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... USB Header 2.1 Power Connector The VK202-25-USB provides a Power Connector to allow the device to be powered externally. In order to power the device externally, you must remove one of the USB protocol select jumpers. The jumper to remove is the rightmost USB jumper as seen if figure 16 Matrix Orbital ...
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... Keypad Interface Connector The VK202-25-USB provides a Keypad Interface Connector which allows for five by five matrix style keypad to be directly connected to the display module. Key presses are generated when a short is detected between a row and a column. When a key press is generated a character, which is associated with the particular key press, is automatically sent on the Tx communication line. The character that is associated with each key press may be altered using the “ ...
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... USB Header The USB Header provides USB connector for communication and power of the display. An alternate power option for the display can be seen in figure 9 Matrix Orbital Figure 11: Manual Override Jumper Table 1: Default Values Brightness 255 Contrast 128 Baud Rate 19.2 kbps VK202-25-USB 9 ...
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... Do not apply any voltage other than the specified voltage. 2.5 Serial Header The VK202-25-USB also offers an alternative, Serial Header option to permit serial communication with the device. Please note the the display normally does not come with the Serial Header, it will have to be ordered as a custom ...
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... NOTE This component is optional and must be custom ordered 2.6 General Purpose Outputs A unique feature of the VK202-25-USB is the ability to control relays and other external devices using a General Purpose Output, which can provide current and +5Vdc from the positive side of the GPO. This is limited by a 240 ohm resistor which is located to the above right of the GPOs as pictured below in ...
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... Dallas 1-Wire Bridge In addition to the six general purpose outputs the VK202-25-USB offers an optional Dallas 1-wire bridge, to allow for an aditional thirty two 1-wire devices to be connected to the display. Please note the the display normally does not come with the Dallas 1-wire bridge, it will have to be ordered as a custom. Please talk to your sales representative if you would like this option ...
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... Matrix Orbital using one of the mehods described in section 14.5. • The last step will be to check the USB Cable on the VK202-25-USB. If the USB Cable has become loose, or you are unable to resolve the issue, please contact Matrix Orbital, see section 14.5 for contact information ...
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... The default read address of the display module will be 0x51, whereas the write address is 0x50 by default. This address may be changed by using cmd 254 / 51 / <address>. The VK202-25-USB should only be sent addresses that are even (LSB ...
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... RS-232 protocol default baud rate of 19,200 bps and is capable of standard baud rates from 9600 to 115,200 bps. Furthermore the VK202-25-USB is also capable of reproducing any non-standard baud rate in between using values entered into our baud rate generation algorithm and set through command 164 (0xA4). ...
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... Communication is via a virtual com port, which is created in the operating system by the drivers necessary to install the USB display. The VK202-25-USB communicating via USB is capable of baud rates of 19,200 bps to 115,200 bps. Other baud rates are subject to the limitation of the virtual com port driver. For further information regarding supported operating systems, and driver limitations please contact technical support ...
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... Manual Override jumper to be set. Remembered Always Matrix Orbital Baud Rate 53 1200 29 2400 4800 67 9600 33 19200 22 28800 19 38400 10 57600 8 115200 0xFE 0xA4 [speed] 254 164 [speed] Length Description 2 Inputed LSB MSB from baud rate formula (12-2047). VK202-25-USB CrystalSpeed 1 to 8×DesiredBaud 17 ...
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... Text 5.1 Introduction The VK202-25-USB is an intelligent display module, designed to reduce the amount of code necessary to begin displaying data. This means that it is able to display all ASCII formated characters and strings that are sent to it, which are defined in the current character set. The display module will begin displaying text at the top left corner of the display area, known as home, and continue to print to the display was a page on a typewriter ...
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... Character Set 5.1.2 Control Characters In addition to a full text set, the VK202-25-USB display supports the following ASCII Control charac- ters: 0x08 Backspace 0x0C Clear screen / New page 0x0D Carriage return 0x0A Line feed / New line 5.2 Auto Scroll On Matrix Orbital ...
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... Decimal ASCII Description In order to change the text that is displayed by the VK202-25-USB when it starts up simply send the command bytes 254 64 followed by the characters that you wish to display, starting from the top left. This command will automatically line wrap the characters that are sent to it. ...
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... Set Cursor Position Hexadecimal Syntax Decimal ASCII Parameters Parameter col row Matrix Orbital 0xFE 0x43 254 67 254 “C” 0xFE 0x44 254 68 254 “D” 0xFE 0x47 [col] [row] 254 71 [col] [row] 254 “G” [col] [row] Length Description 1 Column 1 Row VK202-25-USB 21 ...
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... Remembered No 5.11 Move Cursor Forward Hexadecimal Syntax Decimal ASCII Matrix Orbital 0xFE 0x48 254 72 254 “H” 0xFE 0x4C 254 76 254 “L” 0xFE 0x4D 254 77 254 “M” VK202-25-USB 22 ...
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... This command will turn the the underline cursor off. Remembered Yes 5.14 Blinking Block Cursor On Hexadecimal Syntax Decimal ASCII Description This command will cause the VK202-25-USB to display a block cursor at the current text insertion point. Remembered Yes 5.15 Blinking Block Cursor Off Matrix Orbital 0xFE 0x4A 254 74 254 “J” ...
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... Special Characters 6.1 Introduction The VK202-25-USB has the ability to create four different sets of eight custom characters and save them to internal banks of memory. Each set of eight can be recalled from memory at any time, and selected characters can be written to the display screen. Characters and sets can be created at any time, saved for later use, and displayed to the screen through the intuitive command structure described below ...
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... Description The VK202-25-USB allows for upta to eight custom defined characters to be added onto the the character set. A custom character is a five by eight pixel matrix with each row represented by a byte value. For example: Each bit value of one, in the table, represents an on pixel, whereas a value of zero represents a pixel that is turned off. Therefore in order to defi ...
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... Description New to the VK202-25-USB has added five non-volatile memory banks for custom character storage. This is intended to allow you to create your own custom bar graphs, medium/large numbers and startup screen. However, each memory bank may be used to store a set of any eight custom characters; with the only provision being that memory bank zero contains the characters that will be used in the startup screen ...
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... NOTE Medium Numbers must be initialized before this command is executed. Remembered No Matrix Orbital 0xFE 0x6D 254 109 254 “m” 0xFE 0x6F [Row] [Col] [Digit] 254 111 [Row] [Col] [Digit] 254 “o” [Row] [Col] [Digit] Length Description 1 The row number. 1 The column number. 1 Medium number to place (0-9). VK202-25-USB 27 ...
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... Length Description 1 The column number. 1 The row number. 1 The direction of the bar data (0 or 1). 1 The length of the bar data. 0xFE 0x73 254 115 254 “s” VK202-25-USB 28 ...
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... Place Vertical Bar Hexadecimal Syntax Decimal ASCII Parameters Parameter Column Length Matrix Orbital 0xFE 0x76 254 118 254 “v” 0xFE 0x3D [Column] [Length] 254 61 [Column] [Length] 254 “=” [Column] [Length] Length Description 1 The column number. 1 The length of the bar data. VK202-25-USB 29 ...
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... General purpose outputs allow you to connect devices, such as LEDs, to the VK202-25-USB and supply them with up to 20mA of current at 5V. The VK202-25-USB has 6 GPOs which are software controlled, with functions to turn them on/off and set the power state for the next startup. ...
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... Dallas 1-Wire 8.1 Introduction Another convenient feature of the VK202-25-USB is that it provides a Dallas 1-wire interface in order to readily communicate with up to thirty two 1-wire devices on a single bus. 1-wire communication is begun by discovering the address of the device that you wish to communicate with this you must send the “ ...
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... Length Description 1 Flags to control optional components of the transaction. 1 The number of bits you will be transmitting on the bus. 1 The number of bits you will be reading on the bus. variable Data to be transmitted, LSB to MSB. VK202-25-USB 32 ...
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... No 9 Keypad 9.1 Introduction The VK202-25-USB supports key, matrix style, keypad and may be configured to allow key presses to be automatically transmitted via USB. The VK202-25-USB also allows for auto-repeating key presses, and remapping of all keypad character codes. The connector is not keyed so the keypad will probably plug in either of two ways. The display will not be damaged by reversing the connector ...
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... Issuing this command places the unit in polled mode. Remembered Yes 9.4 Poll Key Press Hexadecimal Syntax Decimal ASCII Matrix Orbital 0xFE 0x41 254 65 254 “A” 0xFE 0x4F 254 79 254 “O” 0xFE 0x26 254 38 254 “&” VK202-25-USB 34 ...
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... The default debounce time for the module is 8 (about 52ms), which is adequate for most membrane keypads. Remembered Yes Default 8 Matrix Orbital 0xFE 0x45 254 69 254 “E” 0xFE 0x55 [time] 254 85 [time] 254 “U” [time] Length Description 1 Debounce time in increments of 6.554ms (0 - 255). VK202-25-USB 35 ...
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... On the release of the key, the key release code transmitted will be a value equal to the key down code plus 20 hex. 0xFE 0x60 254 96 254 “‘” VK202-25-USB 2 C, the “Key 36 ...
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... Display Functions 10.1 Introduction The VK202-25-USB employs software controlled display settings, which allow for control over, clearing the screen, changing the brightness and contrast or setting timers for turning off. The combination of these allow you complete software control over your display’s appearance. ...
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... If the remember function is on, this command acts the same as ’Set and Save VFD Brightness’. Remembered Yes Default 255 10.5 Set and Save VFD Brightness Matrix Orbital 0xFE 0x46 254 70 254 “F” 0xFE 0x59 [brightness] 254 89 [brightness] 254 “Y” [brightness] Length Description 1 Brightness setting (0 to 3). Brightness 25% 50% 75% 100% VK202-25-USB 38 ...
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... Data Security 11.1 Introduction Ensuring that your VK202-25-USB display’s exactly what you want it to can be the difference between a projects success and failure. This is why we incorporate features such as Data Lock into the VK202-25-USB With this new feature you now are in control over of how and when settings will be changed so there is no need to worry about the module acting exactly like you expected it to because all the settings may be locked and remembered for the next power up ...
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... Non-volatile memory has a ‘write limit’ and may only be changed approximately 100,000 times. Remembered No Default Do not remember 11.3 Data Lock Hexadecimal Syntax Decimal Parameters Parameter level Matrix Orbital 0xFE 0xCA 0xF5 0xA0 [level] 254 202 245 160 [level] Length Description 1 Sets the data lock level VK202-25-USB 40 ...
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... When this bit is set (1) the module is locked from dis- playing any new informa- tion. (text lock) Hex Dec Binary 0x00 0 0 0x50 80 01010000 Setting and Command Lock 0xFE 0xCB 0xF5 0xA0 [level] 254 203 245 160 [level] VK202-25-USB 2 C Slave Description Unlock 41 ...
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... Read Version Number Matrix Orbital Length Description 1 Sets the data lock level 0xFE 0x34 [data] 254 52 [data] 254 “4” [data] Length Description 16 Writes the customer data 0xFE 0x35 254 53 254 “5” VK202-25-USB 42 ...
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... This command will return a byte representing the version of the module, see the following table as an example: Remembered No 12.3 Read Module Type Hexadecimal Syntax Decimal ASCII Matrix Orbital 0xFE 0x36 254 54 254 “6” Hex Value Version Number 0x19 Version 1.9 0x57 Version 5.7 0xFE 0x37 254 55 254 “7” VK202-25-USB 43 ...
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... Product ID LCD2021 LCD4021 LK202-25 LK404-55 VFD2041 VK202-25 GLC12232 Unused Unused GLK12232-25 GLK12232-25-SM GLK24064-16-1U GLK12232-16 GLK19264-7T-1U LK204-7T-1U-USB MOS-AV-162A LK162-12 LK202-24-USB LK204-24-USB PK162-12 MOS-AP-162A MOS-AL-162A MOS-AV-202A PK202-24-USB MOS-AL-204 MOS-AL-402 LK082-12 VK404-55 VK402-25 Unused MOI XBoard-I XBoard-U VK202-25-USB VK204-25-USB Unused GLK240128-25 VK404-25 GLT320240 GLT240128 44 ...
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... ASCII 254 “C” Hexadecimal 0xFE 0x44 Decimal 254 68 ASCII 254 “D” Hexadecimal 0xFE 0x47 [col] [row] Decimal 254 71 [col] [row] ASCII 254 “G” [col] [row] Hexadecimal 0xFE 0x48 Decimal 254 72 ASCII 254 “H” VK202-25-USB Page Page ...
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... Hexadecimal 0xFE 0x68 Decimal 254 104 ASCII 254 “h” Hexadecimal 0xFE 0x7C [Col] [Row] [Dir] [Length] Decimal 254 124 [Col] [Row] [Dir] [Length] ASCII 254 “|” [Col] [Row] [Dir] [Length] VK202-25-USB Page Page ...
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... Hexadecimal 0xFE 0xC8 0x1 [flags] [SndBits] [RcvBits] [Data] Decimal 254 200 1 [flags] [SndBits] [RcvBits] [Data] Syntax Hexadecimal 0xFE 0x41 Decimal 254 65 ASCII 254 “A” Hexadecimal 0xFE 0x4F Decimal 254 79 ASCII 254 “O” VK202-25-USB Page Page Page 31 32 Page ...
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... Decimal 254 145 [brightness] Syntax Hexadecimal 0xFE 0x93 [switch] Decimal 254 147 [switch] Hexadecimal 0xFE 0xCA 0xF5 0xA0 [level] Decimal 254 202 245 160 [level] Hexadecimal 0xFE 0xCB 0xF5 0xA0 [level] Decimal 254 203 245 160 [level] VK202-25-USB Page Page Page 39 ...
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... Set Auto Line Wrap Off “E” Clear Key Buffer “F” Display Off “G” Set Cursor Position “H” Go Home “J” Underline Cursor On “K” Underline Cursor Off “L” Move Cursor Back “M” Move Cursor Forward VK202-25-USB Page 42 42 Page ...
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... Place Horizontal Bar Graph “~” Set Auto Repeat Mode Set and Save VFD Brightness Set Remember Setting a Non-Standard Baud Rate Loading Custom Characters Saving Custom Characters Save Startup Screen Custom Characters Set Startup GPO state Dallas 1-Wire Transaction Data Lock VK202-25-USB ...
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... XYZ directions 2 490 m/s XYZ directions Table 67: Electrical Specifications Supply Voltage +5Vdc ±0.25V Backlight On 185 mA typical 50 mA Table 68: Optical Characteristics 20 columns x 2 rows 116. 37. 27 5.55 mm 75. 11.50 mm 100,000 hours typical VK202-25-USB ◦ ◦ +70 C ◦ ◦ + ...
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... Matrix Orbital Figure 18: Physical Diagram VK202-25-USB 52 ...
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... Definitions E Extended Temperature (-20C to 70C) MSB Most Significant Byte LSB Least Significant Byte 14.5 Contacting Matrix Orbital Telephone Sales and Support: 1(403)229-2737 On The Web Sales: http://www.MatrixOrbital.com Support: http://www.MatrixOrbital.ca Forums: http://www.lcdforums.com Matrix Orbital VK202-25-USB 53 ...