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APPLICATION
NEXT ASSY
FINAL ASSY
REV
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A
SHEET
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PROJ. NO.
418
NOTICE IS HEREBY GIVEN THAT THIS DRAWING IS PART
OF A PROPRIETARY ITEM OWNED BY INDUSTRIAL
ELECTRONIC ENGINEERS, INC. AND SHALL NOT BE
REPRODUCED, OR COPIED OR USED AS THE BASIS FOR
MANUFACTURE OR SALE OF APPARATUS WITHOUT
WRITTEN PERMISSION OF I.E.E. INC.
LTR
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PRODUCTION RELEASE/E.O. 26435
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E.O. 28139
VACUUM FLUORESCENT DISPLAY
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CONTRACT
DRAWN
C. Lewis
CHECK
APPROVED
L. Feldberg 6/24/91
APPROVED
REVISIONS
DESCRIPTION
2 X 20 CHARACTER
S03601-95B-40
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REVISION STATUS
INDUSTRIAL ELECTRONIC ENGINEERS, INC.
4-25-91
VACUUM FLUORESCENT DISPLAY
SIZE
CODE IDENT NO.
05464
A
SCALE
DATE
4-24-91
10-23-92
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VAN NUYS, CALIFORNIA
2 X 20 CHARACTER
S03601-95B-40
SHEET
APPROVED
L.F.
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Related Manuals for IEE 03601-95B-40
Summary of Contents for IEE 03601-95B-40
- Page 1 APPLICATION REVISIONS NEXT ASSY FINAL ASSY DESCRIPTION DATE APPROVED PRODUCTION RELEASE/E.O. 26435 4-24-91 L.F. E.O. 28139 10-23-92 L.F. VACUUM FLUORESCENT DISPLAY 2 X 20 CHARACTER S03601-95B-40 SHEET REVISION STATUS PROJ. NO. CONTRACT INDUSTRIAL ELECTRONIC ENGINEERS, INC. VAN NUYS, CALIFORNIA 4-25-91 DRAWN C.
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Page 2: Table Of Contents
TABLE OF CONTENTS PARAGRAPH NUMBER & TITLE GENERAL DESCRIPTION Introduction Application Special Features Description BLOCK DIAGRAM THEORY OF OPERATION OPERATION Loading ASCII Character Data Control Codes Reading Data and Status Information Character Chart Alternate Character Codes User Defined Character Loading Execution Times Dedicated Hardware Lines Self-test... -
Page 3: General Description
GENERAL DESCRIPTION Introduction This specification describes the interface requirements and features of a two-line Vacuum Fluorescent Display, 20 characters wide. The characters are formed using a 5x7 dot matrix. Application This unit may be used as a console display which provides alphanumeric information that is easily readable in high ambient light. -
Page 4: Block Diagram
BLOCK DIAGRAM SHIFT REGISTER PARALLEL STROBED DEDICATED LATCHES ON-BOARD MICROPROCESSOR BUSY CONTROLLER ANODE DRIVERS RESET DISPLAY TUBE ASCII COMPATIBLE 8 - BIT BIDIRECTIONAL CHARACTER SELECT DATA BUS DRIVERS (GRID) SHIFT REGISTER ON-BOARD DRIVE VOLTAGES +5VDC DC-TO-DC AND AC FOR VACUUM FLUORESCENT VOLTAGE DISPLAY TUBE CONVERTER... -
Page 5: Theory Of Operation
THEORY OF OPERATION (Dot Matrix Displays) The Vacuum Fluorescent Display array consists of three basic electrodes which are enclosed in an evacuated glass chamber. The first electrode is the filament, which spans the entire length of the display, and is made from a small diameter oxide coated tungsten wire. -
Page 6: Operation
OPERATION Loading ASCII Character Data All printing characters are in locations from 20 (HEX) to 7F (HEX), and from A0 (HEX) to FF (HEX). Control character assignments are as follows. Control Codes NOTE: CARE SHOULD BE TAKEN NOT TO SEND UNDEFINED CONTROL OR COMMAND CODES TO THE FLIP DISPLAY MODULE AS THIS MAY CAUSE A SOFTWARE MALFUNCTION OF THE MODULE. -
Page 7: Reading Data And Status Information
Control Codes (Continued) DATA (HEX) DESCRIPTION DIMMEST (12%) DIM LEVEL (25%) BRIGHT LEVEL (50%) BRIGHTEST LEVEL (100%) Display automatically defaults to these conditions after power-up. 4.2.1 Cursor Positioning Instruction DATA (b 7 -b 0 ) DESCRIPTION 1B HEX MOVE CURSOR TO FOLLOWING POSITION (0001 1011) (2 byte instruction to locate cursor) XXLL LLLL... -
Page 8: Character Chart
Character Chart (5x7 Dot Matrix) FIGURE 3 US ASCII & EUROPEAN CHARACTER SET (default) Note: 30H & AFH are the same character. N/A = Non-Applicable UDC = User defined character Industrial Electronic Engineers, Inc. SIZE CODE IDENT NO. S03601-95B-40 05464 Van Nuys, California SCALE SHEET... -
Page 9: Alternate Character Codes
Alternate Character Codes Not available at this time. External Font Loading (5 X 7 Dot Matrix) One or more characters may be replaced temporarily (until power-off or reset) by user-defined down-loaded character patterns. To do so, enter the following sequence of commands and data: BYTE DESCRIPTION Start load 18 (HEX) -
Page 10: Dedicated Hardware Lines
Dedicated Hardware Lines RESET 4.8.1 RESET RESET Hardware is available on J1-14. Setting low for greater than 50µS will clear the display and set the cursor to the upper left character (power-up condition). Sinking current must be able to discharge a 1µF capacitor connected internally. -
Page 11: Electrical Characteristics
ELECTRICAL CHARACTERISTICS Power ON / OFF Sequence There are no deleterious effects associated with power ON and OFF of this display; however, rapid ON/OFF sequencing is not recommended. The power/data connector should not be connected/disconnected while power is applied. CAUTION: Do not apply data or strobe signals unless logic power is also applied; otherwise, the input circuits may be damaged. -
Page 12: Timing Characteristics And Timing Diagrams
Timing Characteristics And Timing Diagram DATA WRITE TIMING OPTICAL CHARACTERISTICS Format: 2 line of 20 characters Character height: 0.20 in. (5.05mm) Character width: 0.14 in. (3.55mm) Character spacing: 0.19 in. (4.75mm) center-to-center Character design: 5 x 7 dot matrix Type of cursor indicator: Block Character set: 96-character U.S. -
Page 13: Environmental Characteristics
ENVIRONMENTAL CHARACTERISTICS Operating temperature: 0 to +55 ( C) +32 to 131 ( F) Storage temperature: -20 to +70 ( C) -4 to +158 ( F) Relative humidity: 0 to 95% (non-condensing) Vibration: 10 to 50 Hz 2mm peak-to-peak (3 axis, random) Shock: 20 G (3 axis) Weight:... -
Page 14: Outline & Installation Drawing
OUTLINE AND INSTALLATION DRAWING FIGURE 5 TOLERANCE: .XX = .03 (0.8) .XXX = .010(0.25) Dim. in inches (mm) Industrial Electronic Engineers, Inc. SIZE CODE IDENT NO. S03601-95B-40 05464 Van Nuys, California SCALE SHEET 14 of 14 08/26/02...
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