Dot Graphic VFD Module GU140x32F-7806R ‰ 140x32 Dot Graphic (4x20 characters) The module includes the Vacuum Fluorescent Display glass, VF drivers ‰ Single 5V Supply and micro-controller ICs with refresh RAM, character generator and ‰ High Brightness Blue Green Display interface logic. The 4/8 bit parallel & serial bi-directional interfaces are ‰ Operating Temp -40°C to +85°C 5V TTL/CMOS compatible. The command set is LCD compatible with ‰ 3 Multi Sized Fonts extended graphic functions. ‰ 4/8 Bit Parallel LCD & Serial Interfaces CON2 – SERIAL INTERFACE Pin 1 CON2 Pin 1 CON4 Pin Async SPI CON1 1 5V 5V Pin 1 2 NC SCK 3 RXD /SS 4 NC SIN Dimensions in mm & 5 0V 0V subject to tolerances. 6 NC SOUT 42.0 21.61 47.0 Mounting holes 7 TXD NC 3.2mm dia. 8 /RES /RES 9 MB MB 10 HB HB 10.2 NC = Do Not Connect CON1/3 - PARALLEL INTERFACE Pin Sig Pin Sig 2.5 69.85 1 GND 2 VCC 11.5 93.0 2.5 3 NC* 4 RS 98.0 5 R/W 6 E 7 D0 8 D1 96.0 9 D2 10 D3 11 D4 12 D5 8.4 max. 1.6 13 D6 14 D7 */RESET = Jumper J6.1 & J6.2 2.0 max. BUSY = Jumper J6.2 & J6.3 CHARACTER SET ELECTRICAL SPECIFICATION 5x7 & 10x14 Font LCD Font International Font Parameter Symbol Value Condition Power Supply Voltage VCC 5.0VDC +/- 5% GND=0V Power Supply Current ICC 450mADC typ. VCC=5V UDF1 Logic High Input VIH 0.8VDC min. Vcc max. VCC=5V UDF2 Logic Low Input VIL 0VDC min 0.6VDC max. VCC=5V UDF3 Logic High Output VOH 3.5VDC min. Vcc max. IOH=-10uA UDF4 Logic Low Output VOL 0VDC min 0.6VDC max. IOL =4mA UDF5 OPTICAL and ENVIRONMENTAL SPECIFICATIONS UDF6 Parameter Value UDF7 Display Area (XxY mm) 69.85 x 21.61 Dot Size/Pitch (XxY mm) 0.35 x 0.53 / 0.5 x 0.68 UDF8 2 Luminance 700 cd/m Typ. UDF1 Colour of Illumination Blue-Green (Filter for colours) UDF2 Operating Temperature -40°C to +85°C UDF3 Storage Temperature -40°C to +85°C UDF4 Operating Humidity (non condensing) 20 to 80% RH @ 25°C UDF5 SOFTWARE COMMAND SUMMARY UDF6 Instruction R/W RS D0-D7 UDF7 Clear Display L L 01H Cursor Return Home L L 02H UDF8 Entry Mode Set L L 04H-07H NOTE: UDF characters are available using 5x7 font only. Display ON/OFF L L 08H-0FH Mini Font Cursor Shift Left L L 10H The default font can be Cursor Shift Right L L 14H changed by J3. Other Display Shift Left L L 18H fonts can then be selected by software Display Shift Right L L 1CH Select 4 bit interface L L 20H + optional luminance data command. Select 8 bit interface L L 30H + optional luminance data Set CG RAM Addr. L L 40H-7FH FONT SELECTION Set DD RAM Addr. L L 80H-E7H J3 Font Read BUSY/Addr. H L 00H-FFH D7 Busy = High Open LCD (default) Read Data from RAM H H 00H-FFH Link International Set Graphic Cursor L L F0H + xpos + ypos SERIAL/PARALLEL SELECTION Set Area Commands L L F1H + x1 + y1 + x2 + y2 + cmd CONTACT J8 Interface where cmd 49H = Invert Area L H Noritake Sales Office Tel Nos Open Parallel (default) 46H = Fill Area L H Nagoya Japan: +81 (0)52-561-9867 Link Serial 43H = Clear Area L H Canada: +1-416-291-2946 4FH = Set Outline Box L H Chicago USA: +1-847-439-9020 SERIAL MODE 6FH = Clear Outline Box L H Munchen (D): +49 (0)89-3214-290 J9 J10 Configuration + others for graphic data write L H Itron UK: +44 (0)1493 601144 O O SPI / Clock Serial (def) Set Font / Spacing L L F2H + font style Rest Europe: +49 (0)61-0520-9220 L O Async 9600,N,8,1 www.noritake-itron.com Set RS Low 0FH Serial Comms. only O L Async 19200,N,8,1 Read Data FEH Serial Comms. only L L Async 38400,N,8,1 Subject to change without notice. Read Cursor Position FFH Serial Comms. only Copyright 2003 Noritake Itron Corp. Japan IUK Doc Ref: 04317 Iss:2 23Mar05 NORITAKE ITRON VFD MODULES GU140x32F-7806R Dot Graphic VFD Module GU140x32F-7806R SOFTWARE COMMANDS Instruction Data Format (RS = 1) Description UDF Write 00H – 0FH Write user defined character 1-8 to the current cursor location on the display. Data Write 00H – FFH Write data to the display. In normal (LCD compatible) mode of operation, data is written to the display data (40us – LCD compatible mode) (DD RAM) or character generator (CG RAM). (250us – Graphic mode) When using the graphical data commands (F0H, F1H & F2H), data is written direct to the display and is not stored in DD RAM. Data write busy times will increase when using the graphic functions. Instruction Data Format (RS = 0) Description Display Clear 01H Fills all locations in the display data (DD) RAM with 20H (blank character). The address counter is set to 0 in (300µs) the DD RAM. The address counter is set to increment on each data read/write. Any display offset (using the display shift command) is removed. Cursor Home 02H The address counter is set to 0 in the DD RAM. Any display offset (using the display shift command) is (500µs) removed. *Note1 Entry Mode 04H – 07H Bit 1 is used to select the direction of the address counter on each data read or write. If set to ‘1’, the address (40µs) counter is incremented. If set to ‘0’, the address counter is decremented. Bit 0 enables the display to shift on each data read/write. If this bit is set to ‘1’, the display is shifted with the cursor. The display shift direction depends upon the address counter direction (bit1). If this is set to increment, the display is shifted left, if the address counter is set to decrement, the display is shifted right. *Note2 Display Control 08H-0FH Bit 2 is used to enable or disable the display. If this bit is set to ‘0’ the VFD’s power supply is turned off to (50us) reduce power consumption. Bit 0 enables the flashing block cursor. Cursor Shift Left 10H Shift the cursor position (address counter) one position to the left. (40us) Cursor Shift Right 14H Shift the cursor position (address counter) one position to the right. (40us) Display Shift Left 18H Shift the display left, one character position. (150us) Display Shift Right 1CH Shift the display right, one character position. (150us) Select 4 bit interface 20H + lum Enables 4-bit communications. Data is received on DB4-DB7 only. Two writes are required to send one data (40µs) byte. The most significant nibble should be sent first. The lum value sets the displays brightness, 00H = full brightness, 01H = 75%, 02H = 50% & 03H = 25%. Select 8 bit interface 30H + lum Enables 8-bit communications. Data is received on DB0-DB7. (40µs) The lum value sets the displays brightness, 00H = full brightness, 01H = 75%, 02H = 50% & 03H = 25%. Set CG Address 40H – 7FH Set the character generator address (CG RAM). All written data is placed within the user definable character (40us) area. Set DD Address 80H – E7H Set the display data address (DD RAM). 80H - 93H = 1st line. C0H – D3H = 2nd line. 94H – A7H = 3rd line. (40us) D4H – E7H = 4th line *Note3 Set Graphic Cursor F0H + xpos + ypos Set the absolute cursor position. xpos = 0 – 139, ypos = 0 – 31. (40us) Co-ordinates should be written with RS line set high. *Note3 Set Area F1H + x1 + y1 + x2 + y2 + cmd Area Commands: - ‘I’ - invert area. ‘F’ – fill area. ‘C’ = clear area. ‘O’ – set outline. ‘o’ – clear outline. (40us + 500us[cmd byte]) ‘H’ – write horizontal graphical data with horizontal cursor movement. ‘V’ – write vertical graphical data with horizontal cursor movement. ‘h’ – write horizontal graphical data with vertical cursor movement. ‘v’ – write vertical graphical data with vertical cursor movement. All area commands should be proceeded with the area co-ordinates. X1 Y1 left top X2 Y2 bottom right. Graphical data should immediately follow the ‘H’,’h’,’V’ and ‘v’ commands. Co-ordinates, command and graphical data should be written with RS line set high. *Note3 Set Font F2H + font Select font type, font size and font spacing. (40us) Font commands: - ‘A’ or ‘a’ = proportional 64 character mini-font. ‘B’ = 5x7 LCD compatible font with Katakana characters. ‘C’ = 10x14 LCD compatible font with Katakana characters. ‘b’ = 5x7 international font with European characters. ‘c’ = 10x14 international font with European characters. ‘1’ = set the inter-character pixel spacing to 1 pixel. ‘2’ = set the inter-character pixel spacing to 2 pixels. Font command should be written with RS line set high. Instruction Data Format Additional Serial Data Commands Set RS Low 0FH Set the RS line low for the following byte only. Used in serial communications only. Read Data FEH Read data at current cursor position. This command is used with serial communications only. Read Cursor Position FFH Read current cursor position. This command is used with serial communications only. Notes: - 1. When display shift is enabled, the data write busy time can increase by 300us. 2. If the cursor is enabled, busy times can increase by 20us. 3. After these commands are executed, the cursor will be disabled and any character data will be written to the display only, and not the DD RAM. Any subsequent LCD compatible command will re-enable the cursor and allow for DD RAM writing. GRAPHICAL DATA WRITES X1, Y1 X1, Y1 X1, Y1 X1, Y1 DATA MSB DIRECTION MSB DATA DIRECTION DATA DIRECTION MSB DATA DIRECTION MSB Vertical Data & Horizontal Vertical Data & Vertical Horizontal Data & Horizontal Horizontal Data & Vertical Movement Movement Movement Movement NORITAKE ITRON VFD MODULES GU140x32F-7806R Dot Graphic VFD Module GU140x32F-7806R PARALLEL COMMUNICATION This module has a fast latching 8-bit data bus. Data is clocked in on the rising edge of the enable line ‘E’. The busy line can be monitored I/O D0-7 HOST on pin 3 if link J6 is set to 2&3. GU140x32F-7806R SYSTEM I/O E The data bus width can be selected for 4-bit operation, this is set-up I/O RS I/O R/W using the ‘Function Set’ software command. When using 4-bit mode, I/O BUSY use data lines D4-D7 only. Data should be clocked first with the high GND VDD VDD GND nibble (bits 4-7) followed by the low nibble (bits 0-3). M68 Write Timing Diagram. M68 Read Timing Diagram. R/W R/W >30ns RS RS >30ns >25ns >200ns E E >20ns >30ns 65ns >50ns D0-D7 D0-D7 VALID 25ns The busy line can be read on D7 when RS is low. This line has an open tBUSY BUSY collector output with a 47K pull-up resistor, and is highly susceptible to loading. ASYNCHRONOUS SERIAL COMMUNICATION Asynchronous & synchronous serial interfaces are provided at TTL level. Link J8 on the rear of the module to enable the serial communications. When using serial communications, the module is automatically initialised at power-up/reset with the cursor enabled. Jumper links J8 and J9 are used to select synchronous serial mode or asynchronous baud rate & parity. Host to Module Write TXD RXD <20us tBUSY RXD TXD HOST RXD START D0 D1 D2 D3 D4 D5 D6 D7 STOP GU140x32F-7806R DTR HB SYSTEM MB CTS MB GND VDD VDD GND Module to Host Write TXD START D0 D1 D2 D3 D4 D5 D6 D7 STOP <200us The host busy line (HB) stops the module from sending data to HB the host. The use of the HB and MB lines are optional, and can be connected together if not required. SYNCHRONOUS SERIAL COMMUNICATION With synchronous communications enabled, data can be clocked into the VFD module on the rising edge of SCK, with the MSB sent first. The host must provide adequate delays for the module to process the data, these busy times are specified in the software command section. Alternatively the host can monitor the MB (Module Busy) line. >250ns >250ns >125ns <20us tBUSY SIN I/O I/O SOUT SCK HOST I/O SCK GU140x32F-7806R SYSTEM I/O /SS MOSI MSB LSB I/O MB GND VDD VDD GND MISO MSB LSB MB /SS The /SS pin can be used as an enable pin if other devices are connected to the serial line, and also allows byte synchronisation. >250ns >250ns The use of the /SS line is recommended, but can be permanently TTL Synchronous serial communication. pulled low if not required. NORITAKE ITRON VFD MODULES GU140x32F-7806R Dot Graphic VFD Module GU140x32F-7806R SERIAL CONTROL An additional command has been included to distinguish between command and data writes when using serial communications. This command (0FH) will temporarily set the RS line low for the subsequent written byte. The following example displays two text messages using the serial communications and the ‘Set RS’ command: - CLEAR DISPLAY SET CURSOR DISPLAY TEXT 0FH 01H 0FH 80H ‘NORITAKE ITRON’ 0FH C0H ‘VFD MODULES’ Displaying text using serial communications. LCD COMPATIBILITY This module features a command set that is LCD compatible, allowing easy replacement in existing equipment with little or no modifications. Careful consideration should be taken regarding the command execution times of this module. Although the commands can be executed within 40us, which is normal for LCD, busy times are increased when using the scroll write modes and with the cursor enabled. Also reading back data in 4-bit parallel mode is not supported. DD RAM address locations 70H+ are used to access the extended graphic commands. At power up and reset the module is automatically initialised and ready to receive data. The interface is set to 8-bit, the display is cleared, the cursor position is set to the top-left corner (DD RAM address = 00H), and the display luminance is set to 100%. EXTENDED GRAPHIC COMMANDS In addition to the standard LCD commands, this module includes additional commands to display graphical data and different font sizes. When an y of these extended commands are executed, the module will change to the ‘graphics’ mode of operation. This graphics mode allows text to be written to any part of the display. There are many differences the user should be aware of when the display is in this graphics mode: - Written data may require additional busy times. Text data is not written into the DD RAM and therefore can not be read back. Graphical text can not be shifted onto the display. The cursor is disabled & cursor direction is set to increment only. UDF characters cannot be written. The graphics mode is disabled as soon as any valid LCD command is received. DISPLAYING GRAPHICAL TEXT 0,0 The module contains 3 font sizes, a proportional mini-font, 5x7 pixel, and a 10x14 pixel font. Graphical text can be written to any part of the display using the ‘Set Graphic Cursor’ command (F0H). Characters are positioned above the current cursor position. Each character written will include either a one pixel or two pixel space to the right side of the character. After each character is written to the display, the cursor position is automatically advanced. If the cursor position reaches the end of the display, the host must reposition to the next line. 0,7 6,7 The following example displays two text messages in the center of the display using the Cursor Positioning, example of writing 2 characters standard 5x7 character font. Command bytes that are underlined should be sent with RS from cursor position 0,7. line low. 5x7 FONT SET CURSOR DISPLAY TEXT F2H ‘B’ F0H 15H 0FH ‘NORITAKE ITRON’ F0H 1FH 17H ‘VFD MODULES’ Displaying text using the 5x7 font. The next example displays one line of text using the 10x14 character font. Command bytes that are underlined should be sent with RS line low. 10x14 FONT SET CURSOR DISPLAY TEXT F2H ‘C’ F0H 22H 17H ‘140x32’ Displaying text in the large 10x14 font. NORITAKE ITRON VFD MODULES GU140x32F-7806R Dot Graphic VFD Module GU140x32F-7806R DISPLAYING GRAPHICS Graphical images can be displayed on the VFD module in either a horizontal or vertical byte orientation. After each graphical data write, the cursor is automatically advanced. All graphical data is contained within the defined area. Unused bits are masked where the screen area is not a byte multiple MSB - 1CH - 5CH - 48H - 3EH The following example displays a simple graphical image. The graphical data orientation is - 1DH - 1DH set to horizontal data format, with a vertical cursor movement. Command bytes that are - 14H - 36H underlined should be sent with RS line low. Graphic Image using horizontal data AREA COMMAND AREA CO-ORDINATES HORIZONTAL FORMAT GRAPHIC DATA MSB F1H 30H 0CH 37H 13H ‘h’ 1CH 5CH 48H 3EH 1DH 1DH 14H 36H The next example displays a simple graphical image using a vertical data format, with a horizontal cursor movement. Command bytes that are underlined should be sent with RS line low. Graphic Image using vertical data AREA COMMAND AREA CO-ORDINATES VERTCAL FORMAT GRAPHIC DATA F1H 50H 08H 63H 17H ‘v’ 00H 00H 00H 00H 07H 04H C7H FEH 72H 73H 32H 3EH 3FH 1DH 00H 00H 00H 00H 00H 00H 00H 3CH 42H 81H B9H C1H 42H 7CH 20H D8H FCH 3CH FCH CAH 49H B1H 89H 42H 3CH 00H Displaying graphic images in vertical and horizontal format. AREA COMMANDS The VFD module contains commands to fill, clear and invert defined areas of the display. Also an outline command is available to draw rectangles around objects. The following example displays three options for the user to select, each option is contained within a box with a shadow effect. Drawing horizontal and vertical lines using the fill area command creates the shadow effect. Command bytes that are underlined should be sent with RS line low. 5x7 FONT 1-PIXEL SPACING SET CURSOR DISPLAY TEXT F2H ‘B’ F2H ‘1’ F0H 0DH 13H ‘SETUP’ F0H 36H 13H ‘PRINT’ F0H 65H 13H ‘RUN’ Display options with simple graphic text write. SET AREA TOP LEFT BOTTOM RIGHT OUTLINE F1H 0AH 0AH 2CH 14H ‘O’ F1H 33H 0AH 55H 14H ‘O’ F1H 5CH 0AH 7EH 14H ‘O’ Boxes created using the ‘Set Area Outline’ command. SET AREA HORIZONTAL LINE FILL SET AREA HORIZONTAL LINE FILL F1H 0BH 15H 2DH 15H ‘F’ F1H 2DH 0BH 2DH 15H ‘F’ F1H 34H 15H 56H 15H ‘F’ F1H 56H 0BH 56H 15H ‘F’ F1H 5DH 15H 7FH 15H ‘F’ F1H 7FH 0BH 7FH 15H ‘F’ Drop Shadows created with the ‘Fill Area’ command. The next example uses the invert area command to select one of the options. SET AREA TOP LEFT BOTTOM RIGHT INVERT F1H 5DH 0BH 7DH 13H ‘I’ Option ‘Run’ selected with the ‘Invert Area’ command. NORITAKE ITRON VFD MODULES GU140x32F-7806R BYTE21 BYTE1 BYTE2 BYTE19 BYTE40 BYTE20