Dot Graphic VFD Module GU256x64C-3900 q 256x64 Dot Graphic The module includes the Vacuum Fluorescent Display glass, VF q 5V Supply drivers and micro-controller ICs with refresh RAM, character q High Brightness Blue Green Display generator and interface logic. The high speed 8 bit parallel interface is 5V TTL/CMOS compatible suitable for connection to q Operating Temp -40°C to +85°C q High Speed 8 Bit Parallel Interface a host CPU bus. The asynchronous serial interface accepts q Asynchronous Serial Interface baud rates up to 38400, none parity. User defined characters and many control commands are available. CN1 – Pin 1 20.68 30.5 38.0 3.96 3.75 83.08 22.71 126.5 3.25 133.0 110.0 Dimensions in mm & subject 7.4 max to tolerances. Mounting holes 3.5mm dia. 1.6 10.0 max 7 pin Connector 16 pin Connector (Mate JST-XHP-7) (Mate MIL-STD-16P) ELECTRICAL SPECIFICATION OPTICAL and ENVIRONMENTAL SPECIFICATIONS Parameter Symbol Value Condition Parameter Value Power Supply Voltage VCC 5.0VDC +/- 5% GND=0V Display Area (XxY mm) 83.08 x 20.68 Power Supply Current ICC 430mADC typ. Vcc=5V Dot Size/Pitch (XxY mm) 0.2 x 0.2 / 0.325 x 0.325 2 RS232 Serial High Input VIH 3.0VDC min. VCC=5V Luminance 500 cd/m Typ. RS232 Serial Low Input VIL -3.0VDC max. VCC=5V Colour of Illumination Blue-Green (Filter for colours) RS232 Serial High Output VOH 5.0VDC min. IOH = -2mA Operating Temperature -40°C to +85°C RS232 Serial Low Output VOL -5.0VDC max. IOL =4mA Storage Temperature -40°C to +85°C Logic High Input VIH 0.8VDC min. VCC=5V Operating Humidity (non condensing) 20 to 80% RH @ 25°C Logic Low Input VIL 0.2VDC max. VCC=5V MODULE BLOCK DIAGRAM Logic High Output VOH 3.5VDC min. IOH = -10uA Logic Low Output VOL 0.6VDC max. IOL =4mA VFD Glass The power on rise time should be less than 100ms.The inrush current at power on can be 2 x ICC. SOFTWARE COMMANDS RS232 INTERFACE (CN3) Flash ROM RS232 DC/DC Pin Sig Command Name Hex Controller Converter 1 RXD Parallel Back Space 08 RAM 2 DTR Horizontal Tab 09 5VDC Supply 3 DSR Line Feed 0A 4 TXD Cursor Home* 0B 5 NC Clear Display 0C DISPLAY ADDRESS SELECT COMMAND MODE SELECT 6 VCC Carriage Return 0D SW1 SW2 SW3 SW4 Address SW6 Mode 7 GND OFF OFF OFF OFF 00H OFF Normal command Escape 1B + Ø PARALLEL INTERFACE (CN2) ON OFF OFF OFF 01H ON Graphic DMA Ø Specify Download Character +25 Pin Sig Pin Sig OFF ON OFF OFF 02H Ø Download Char. Definition +26 1 D7 9 GND ON ON OFF OFF 03H Ø Delete Download Character +3F OPERATING MODE SELECT 2 D6 10 /WR OFF OFF ON OFF 04H Ø Initialize Display +40 SW7 Mode 3 D5 11 GND ON OFF ON OFF 05H OFF Normal Operation Ø Define International Font +52 4 D4 12 READY OFF ON ON OFF 06H ON Memory Re-write Ø Define Char. Code Type +74 5 D3 13 GND ON ON ON OFF 07H Overwrite Mode 1F 01 6 D2 14 GND OFF OFF OFF ON 08H Vertical Scroll Mode 1F 02 PROTOCOL MODE SELECT 7 D1 15 VCC ON OFF OFF ON 09H Horizontal Scroll Mode 1F 03 SW8 Mode 8 D0 16 VCC OFF ON OFF ON 0AH OFF Direct Mode Cursor Set 1F 24 I/O PORT CONNECTOR. (CN1) ON ON OFF ON 0BH ON Packet Mode RAM Macro Processing 1F 3A Pin Sig Pin Sig OFF OFF ON ON 0CH Display Brightness 1F 58 1 Bit 7 8 Bit 0 ON OFF ON ON 0DH Macro Execution 1F 5E 2 Bit 6 9 Bit 3 OFF ON ON ON 0EH Enable/Disable Reverse Disply 1F 72 3 Bit 5 10 Bit 2 ON ON ON ON 0FH Horizontal Scroll Speed 1F 73 CONTACT 4 Bit 4 11 Bit 1 Write Mixture Display Mode 1F 77 Noritake Sales Office Tel Nos BAUD RATE SELECT 5 Bit 3 12 Bit 0 Dot Pattern Draw 1F 28 64 Nagoya Japan: +81 (0)52-561-9867 SW5 Baud Rate 6 Bit 2 13 VCC Canada: +1-416-291-2946 User Set Up Mode Start 1F 28 65 OFF 38,400 Chicago USA: +1-847-439-9020 7 Bit 1 14 GND I/O Port Control 1F 28 70 ON 19,200 Munchen (D): +49 (0)89-3214-290 See full data sheet for additional Itron UK: +44 (0)1493 601144 Subject to change without notice. Rest Europe: +49 (0)61-0520-9220 commands. IUK Doc Ref :04465 Iss:1 7Oct 03 www.noritake-itron.com NORITAKE ITRON VFD MODULES 256 x 64 Dot Graphic