AND1781MST/BST 240 x 64 Dots Intelligent Graphics Display The AND1781MST/BST devices are compact, full dot matrix, with "white page" appearance, LCD modules that have an onboard LCD controller (T6963C) and display memory (RAM). The AND1781 can display TEXT information, numerals, letters and symbols, as well as GRAPHIC patterns. These devices are suitable for medical and measurement equipment, point-of-sale terminals, portable equipment, and marine instrumentation. Features * * * * * * * * * Absolute Maximum Ratings Black and white ST (MST) transmissive mode Blue and white (BST) transmissive mode Built-in CCFL backlight 40 characters x 8 line capability 240 x 64 dot graphic display Excellent readability and high-contrast ratio Built-in LCD controller (T6963C) Wide operating temperature range (0 to 50C) User-selectable fonts: 6 x 8 or 8 x 8 Absolute Maximum Item Symbol Min Max Unit VDD 0 7.0 V VDD - VEE 0 28.0 V CCFL Input Current IFL - 10 mA rms CCFL Driving Voltage(1) VFL - 1500 Vrms CCFL Drive Frequency fFL - 35 kHz Input Voltage VIN -0.03 0.3 V Storage Temperature Tstg -20 60 C Operating Temperature TOP 0 50 C - 10 90 / RH Supply Voltage Dot Matrix Dimensions 127.17 0.53 0.50 (2) 33.89 0.59 0.50 Humidity 1. 1 minute maximum. 2. Wet bulb temperature 29 C, no condensation of water. 240 x 64 pixels Electrical Characteristics (TA = 25C) Specifications Item Min. (BST/ MST) Typ. (BST/ MST) Max. (BST/ MST) VDD 4.75 5.0 5.25 VDD-VEE 11.2/ 12.0 12.2/ 13.0 13.2/ 14.0 2.8 -- VDD 0 -- 0.8 -- 300 350 V rms 4.0 5.0 7.0 mA rms Symbol Cond. Mechanical Characteristics Item Outline Dimensions Specification Unit 180.0 (W) x 70.0 (H) x 14.0 Max (D) mm Number of Dots 240 x 64 Dots # of Characters 40 x 8 (480), 6 x 8 font Viewing Area 127.17 (W) x 33.89 (H) mm Bezel Opening 137.0 (W) 44.0 (H) mm Dot Size 0.50 (W) 0.50 (H) Dot Pitch Weight (approx.) 6/18/98 Supply Voltage High Level In V VIN Low Level In V VIH mm FL Driving V VIN 0.53 (W) 0.53 (H) mm 170 gram FL Input Current(1) IFL VDD = 5.0V VFL Unit V V Purdy Electronics Corporation * 720 Palomar Avenue * Sunnyvale, CA 94086 Tel: 408.523.8200 * Fax: 408.733.1287 * email@purdyelectronics.com * www.purdyelectronics.com 3-19 AND1781MST/BST Intelligent Graphics Display Connector Pin Assignment (Continued) Electrical Characteristics (TA = 25C) (Continued) Specifications Item Symbol Cond. FL Starting V VFLS FL Driving Frequency I (2) FL Current Consumption Ta = 0C Min. (BST/ MST) Typ. (BST/ MST) Max. (BST/ MST) Unit 1300 -- -- VO-P 25 30 35 kHz IDD Typical -- 7.0 14.0 IEE (3) Pattern -- 1.0 2.0 IDD Max. -- 8.0 16.0 Pattern(3) -- 1.5 3.0 IEE mA 1. Life time of backlight will change according to the FL input current. 2. Choose a driving frequency that is not in sync with the frame frequency otherwise, you may experience flickering. 3. Typical pattern is all "on", maximum pattern is checkered. Optical Characteristics (TA = 25C, = 0, = 0) Item Typ. (BST/ MST) Right to Left - 80 Up & Down - 55 K 2.5/8 3.5/20 -- Symbol Viewing Angle Contrast Ratio Response Time Luminance IFL = 5.0 mA rms Max. (BST/ MST) Unit degree TON -- 200 350 TOFF -- 200 350 L 50 80 -- Signal 10 RESET Function 11 D0 Data Input/Output (LSB) 12 D1 Data Input/Output 13 D2 Data Input/Output 14 D3 Data Input/Output 15 D4 Data Input/Output 16 D5 Data Input/Output 17 D6 Data Input/Output 18 D7 Data Input/Output (MSB) 19 FS Connect to VDD: 6 x 8 font Connect to GND: 8 x 8 font 20 RV VDD: Positive image GND: Negative image Controller Reset FL Connector Specifications Min. (BST/ MST) Pin No. -- ms cd/m2 Pin No, Signal Function 1 VFL Power supply for FL backlight 5 VFL Power supply for FL backlight Note: Connector: IL-G-55-53C2, Japan Aviation Electronics Industry. Mating Housing: IL-M-5P-S3C2-PM. Contact: IL-M-C2. Recommended FL Inverter E1241/42 + 1 4 CCF Vout Note: Refer to Applications Section for definitions of viewing angle, contrast ratio, response time ("on" and "off") and luminance. Tube 2 3 Input bypass capacitor may be required (10f -47f) Connector Pin Assignment Pin No. Signal 1 FGND Frame Ground 2 GND Ground 3 VDD Power Supply (5V) 4 VEE Power Supply for LCD Drive 5 WR Data Write 6 RD Data Read LCD panel is driven by the voltage VDD-VEE, so adjustable VEE is required for contrast control and temperature compensation. 7 CE Chip Enable Temperature Variations C/D WR = "L", C/D = "H": Command Write WR = "L", C/D = "L": Data Write RD = "L", C/D = "H": Status Read RD = "L", C/D = "L": Data Read 8 9 3-20 NC Function No connection Part number E1241/42 (part number E1241 is +5v, number E1242 is +12V). This part is manufactured by Endicott Research Group, Inc.. Method of connecting is illustrated. Power Supply Temperature VDD-VEE (MST) VDD-VEE (BST) 0C 13.5 14.3 +25C 12.2 13.0 +50C 11.0 11.8 Purdy Electronics Corporation * 720 Palomar Avenue * Sunnyvale, CA 94086 Tel: 408.523.8200 * Fax: 408.733.1287 * email@purdyelectronics.com * www.purdyelectronics.com 6/18/98 AND1781MST/BST Intelligent Graphics Display Timing Relationships and Diagram Timing Diagram Signal Timing Relationships Item Symbol C/D Min. Max. C/D Set Up Time tCDS 100 - C/D Hold Time tCDH 10 - tCE, tRD, tWR 80 - Data Set Up Time tDS 80 - Data Hold Time tDH 40 - Access Time tACC - 150 Output Hold Time tOH 10 50 CE, RD, WR Pulse Width Unit tCDH tCDS CE tCP,tRD,tWP RD, WR tDS D0-D7 (WRITE) ns tDH D0-D7 (READ) tACC tOH Block Diagram RV 8 D0-D7 RAM (8K byte) A0-A7 D0-D7 WR RD CE C/D RESET FS 13 T6963C Revers e R/W CE ED HSC LP CDAT Y-Driver X-Driver X-Driver X-Driver 80 80 80 64 LCD Panel 240 x 64 Dots VFL VFL FL Backlight 2.540.3 20 24.420.5 127.17 (Active Area) 22.50.5 131.00.3 (Viewing Area) 19.50.5 137.00.3 (Bezel Opening) 8.60.5 158.80.5 2.00.5 176.00.3 14.0 Max CN Reserve Line 22.860.3 33.89 38.00.3 44.00.3 50.00.3 70.00.5 2 1 13.00.5 Reference Line 8.00.5 10.060.5 5.00.5 14.50.5 Dimensional Outline 13010 20-o1.0 (Through Hole) 20-o1.6 (Land) 7.50.5 1.60.3 4-R1.75 2.540.3 2.540.3 180.00.5 6/18/98 Purdy Electronics Corporation * 720 Palomar Avenue * Sunnyvale, CA 94086 Tel: 408.523.8200 * Fax: 408.733.1287 * email@purdyelectronics.com * www.purdyelectronics.com 3-21