IEE 03858-06-0105 Reference Manual
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IEE 03858-06-0105 Reference Manual

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APPLICATION
NEXT ASSY
FINAL ASSY
REV
C
C
C
SHEET
1
2
3
PROJ. NO.
411
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
–
PRODUCTION RELEASE/E.O. 29204
A
E.O. 29436
B
E.O. 29541
C
E.O. 36743, Revised and Redrawn
4 x 20 Daystar Nova LCD Module
Parallel Data Input and EL Backlight
C
C
C
C
C
C
4
5
6
7
8
9
CONTRACT
R. January
DRAWN
CHECK
APPROVED
D. Goodale
3-9-93
APPROVED
DESCRIPTION
Specification
With
Model 03858–06–0105
C
C
C
C
C
10
11
12
13
14
REVISION STATUS
3–19–93
4 X 20 LCD MODULE WITH EL BACKLIGHT
SIZE
CODE IDENT NO.
05464
A
SCALE
REVISIONS
C
C
C
C
C
15
16
17
18
19
INDUSTRIAL ELECTRONIC ENGINEERS, INC.
VAN NUYS, CALIFORNIA
PARALLEL DATA INPUT
S03858–06–0105
SHEET
DATE
APPROVED
3/9/93
D. Goodale
6/3/93
D. Goodale
6/28/93
D. Goodale
2/12/02
D. Goodale
C
C
C
C
C
20
21
22
23
24
1
OF
24

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Summary of Contents for IEE 03858-06-0105

  • Page 1 APPLICATION REVISIONS NEXT ASSY FINAL ASSY DESCRIPTION DATE APPROVED – PRODUCTION RELEASE/E.O. 29204 3/9/93 D. Goodale E.O. 29436 6/3/93 D. Goodale E.O. 29541 6/28/93 D. Goodale E.O. 36743, Revised and Redrawn 2/12/02 D. Goodale Specification 4 x 20 Daystar Nova LCD Module With Parallel Data Input and EL Backlight Model 03858–06–0105...

  • Page 2: Table Of Contents

    Table of Contents Paragraph Title Page GENERAL INFORMATION.......................5 Introduction............................5 Application ............................5 Description ............................5 LOGICAL STRUCTURE AND FUNCTION ..................6 LCD Module............................6 2.1.1 Signal Description ..........................6 LCD Controller ..........................7 2.2.1 Instruction Register (IR) ........................7 2.2.2 Data Register (DR) ..........................7 2.2.3 Busy Flag ............................7 2.2.4 Address Counter (AC)........................7 2.2.5...
  • Page 3 Table of Contents Paragraph Title Page Operation............................9 7.3.1 Normal Operation..........................9 7.3.2 Brightness, Voltage and Frequency Characteristics ...............9 7.3.3 Intermittent Operation........................9 7.3.4 Square Waveform Operation......................9 7.3.5 Operating Temperature........................9 7.3.6 Operating Life...........................9 Electromagnetic Interference (EMI) ....................9 DC–AC Inverter ..........................9 INSTALLATION NOTE ........................9 ACCESSORIES..........................9 10.0 OUTLINE AND MOUNTING CHARACTERISTICS ................9...
  • Page 4 List of Figures Figure Title Page Figure 1 LCD Module Block Diagram......................6 Figure 2 LCD Controller Block Diagram ......................7 Figure 3 Correspondence Between Character Codes and Character Patterns ...........8 Figure 4 Relationship Between CG RAM Address, Character Codes (DD RAM) and Character Patterns (CG RAM Data) ..........................9 Figure 5 LCD Controller Instruction Set ......................9...

  • Page 5: General Information

    For applications where the display is remotely located up to 50 feet from the host processor, the serial data input option should be used. The serial option model is described in IEE specification S03858–06–0205. Description The Daystar Nova module is a self–contained 1/16 multiplexed unit. A simple parallel interface is provided and can be configured as either 4 or 8 bits.

  • Page 6: Logical Structure And Function

    LOGICAL STRUCTURE AND FUNCTION LCD Module Figure 1 illustrates the major components of the Daystar Nova module. The microprocessor controls all multiplexing and character decoding. The temperature compensation network optimizes both viewing and contrast ratio for the display over all operating temperatures. LCD Display EL Backlight 6"...

  • Page 7: Lcd Controller

    LCD Controller Address Timing Generation Counter (AC) Circuit Display Data (DD RAM) Com1–Com16 80x8 bits DB4–DB7 DB0–DB3 Character Character Generator Generator (CG RAM) (CG ROM) Busy Seg1–Seg40 Flag 512 Bits 7200 Bits Parallel/Serial Data Conversion Circuit 40–bit Shift Register (Parallel Data –Serial Data) Figure 2 LCD Controller Block Diagram 2.2.1 Instruction Register (IR)

  • Page 8: Display Data Ram (Dd Ram)

    2.2.5 Display Data RAM (DD RAM) The DD RAM contains 80 X 8 bits and represents 80 characters. The relationship between the DD RAM address and position of the characters in the display can be controlled by the user (Refer to Entry Mode Set and Cursor or Display Shift instructions).

  • Page 9: 2.2.8 Parallel/Serial Data Conversion Circuitry, Timing Generator Circuitry

    between CG RAM addresses and data patterns (Refer to Set CG RAM Address and Write to CG or DD RAM instructions). Character Codes CG RAM Character Patterns (DD RAM Data) Address (CG RAM Data) Higher Order Bits Higher Order Bits Higher Order Bits Lower Order Bits Lower Order Bits...

  • Page 10: Operation

    OPERATION Instruction Set Instruction Code Description Execution R/W DB Time (Max) Clear Display Clears entire display and sets DD RAM to 0 1.64 ms Sets DD RAN counter to 0. If the display has been shifted, characters are returned to their initial Return Home 1.64 ms positions.

  • Page 11: Power Up Instructions Sequence

    Power Up Instructions Sequence Upon power up, the Daystar Nova module is set to a default mode of operation. Under some power up circumstances, the default mode may be improperly set. Consequently, the following instructions should always be executed in the host systems initialization routine. Step Operation Function Set for 8 bits...

  • Page 12: Instructions Affecting Custom Characters

    * = Cursor Figure 8 Display Shift Right from Initial Conditions * = Cursor # = Last Character Entered Figure 9 Load Character with S=1, I/D=0 from Initial Conditions * = Cursor # = Last Character Entered Figure 10 Load Character with S=1, I/D=1 from Initial Conditions Instructions Affecting Custom Characters The module allows the user to define 8 unique special characters.

  • Page 13: Electrical Characteristics

    Electrical Characteristics (V = 5V ±10%) Item Symbol Condition Unit Input "High" Voltage Input "Low" Voltage –0.3 Output "High" Voltage (TTL) = 0.205 mA – Output "Low" Voltage (TTL) = 1.200 mA – Output "High" Voltage (CMOS) = 0.040 mA 0.9 V –...
  • Page 14 t t t t t t t t t t t t – DB Valid Data Figure 11 Interface Timing (Write) – DB Valid Data Figure 12 Interface Timing (Read) SIZE CODE IDENT Industrial Electronic Engineers, Inc. S03858–06–0105 05464 Van Nuys, California Scale: NONE Rev C Sheet 14...

  • Page 15: Timing Sequence For 8 Bit Parallel Interface

    Timing Sequence for 8 Bit Parallel Interface Figure 13 illustrates the typical Busy Flag check sequence for an 8 bit data interface. Internal Internal Operation Data Busy Busy IR 7 Busy Instruction Busy Flag Busy Flag Busy Flag Instruction Write Check Check Check...

  • Page 16: Connector Pin Assignments (P1)

    Connector Pin Assignments (P1) Pin No. Function (Factory Set–up Test Point) BIAS N/C * (Viewing Angle Adjustment) (Read = Logic 1) (Pin Removed) Ground Enable (E1) Ground Ground Ground Ground Ground Ground (+5V – Parallel with Pin 24) (+5V – Parallel with Pin 22) When the display module includes the serial data input option, Pin 3 is internally connected to provide signal E2 as an output to a second display module.

  • Page 17: Environmental Characteristics

    ENVIRONMENTAL CHARACTERISTICS Operating Temperature: –30 to +80°C (Backlight Off) –30 to +40ºC (Backlight On, See Paragraph 7.3.5) Humidity: (@ 40ºC) 95% RH (non–condensing) Humidity ( 40 C): Absolute humidity must be lower the humidity of 95% RH at 40 C Vibration: 10g at 10 to 400Hz (3 axes) Shock:...
  • Page 18 Normal = +90º –X = –90º –Y Figure 15 Definition of Vertical Viewing Angle Definition of Horizontal Viewing Angle–top Viewing Display (for Bottom Viewing Displays = –20° Typically) Normal = +20º – –X = –90º = +90º –Y Figure 16 Definition of Horizontal Viewing Angle Display contrast ratio is given by: Where: B...

  • Page 19: Viewing Angle Adjustment

    Brightness Curve for Selected Segment Brightness Curve for Non–selected Segment Setpoint Driving Voltage Figure 17 Definition of Contrast Ratio (CR) Definition of optical response. 10% ON 90% ON Excitation Figure 18 Definition of Optical Response Viewing Angle Adjustment The factory preadjusts the viewing angle of the display by setting the LCD bias voltage to 10.2 Volts using the on–board potentiometer.

  • Page 20: El Backlighting

    EL BACKLIGHTING EL Backlight Description The module contains an AC EL backlight which enables the LCD to read under low lighting conditions. The EL lamp provides uniform lighting across the entire display surface. Since the lamp is a cold light source, no heat is added to the module during operation.
  • Page 21 7.3.2 Brightness, Voltage and Frequency Characteristics (Continued) 25ºC, 115 VRMS, Aviation Green Frequency (Hertz) Figure 20 Initial Brightness vs. Frequency 7.3.3 Intermittent Operation The EL backlight is intended for intermittent usage only. Continuous operation will result in greatly reduced life of the lamp.
  • Page 22 7.5. The brightness values are measures of the lamp surface brightness. The transmitted light through the LCD is approximately 8% of the lamp surface brightness. 25ºC, Aviation Green Time (Hours, 000's) Figure 21 Brightness vs. Time Electromagnetic Interference (EMI) Electroluminescent lamps have been shown to radiate negligible interference through UHF when operated by quasi–sinusoidal waveforms.
  • Page 23 INSTALLATION NOTE To protect the front polarizer from accidental damage it is highly recommended that the LCD be mounted behind a clear glass or polycarbonate window material. It is also recommended that an air gap of at least .030" to .050" minimum be provided between the window material and the surface of the LCD to prevent the transfer of static charges to the front surface of the LCD.

  • Page 24: Van Nuys, California Scale: None Rev C Sheet

    10.0 OUTLINE AND MOUNTING CHARACTERISTICS Figure 22 03858–06–0105 Outline Drawing SIZE CODE IDENT Industrial Electronic Engineers, Inc. S03858–06–0105 05464 Van Nuys, California Scale: NONE Rev C Sheet 24...

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