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Industrial Electronic Engineers, Inc.

SIZE

A

CODE IDENT NO.

05464

S03805–21–0200

Van Nuys, California

SCALE N/A

REV C

SHEET 23

8.0

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. Supertwist LCD’s may activate un–driven elements in
response to a surface static charge on the front polarizer. It may take several minutes for such a surface static
charge to dissipate.

9.0

ACCESSORIES

Part (Molex)

Mfr. Part No.

IEE Part No.

Power/Data Connector (11 Pin):

22–01–2117

45125–11

Connector Pins, (11 required)

08–50–0114

45126–01

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Содержание 03805-21-0200

Страница 1: ...SHEET 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 REVISION STATUS PROJ NO 411 CONTRACT INDUSTRIAL ELECTRONIC ENGINEERS INC VAN NUYS CALIFORNIA DRAWN R January 3 19 93 SERIAL DATA INPUT CHECK 4 X 40 LCD MODULE NOTICE IS HEREBY GIVEN THAT THIS DRAWING IS PART OF A PROPRIETARY ITEM OWNED BY INDUSTRIAL APPROVED SIZE CODE IDENT NO ELECTRONIC ENGINEERS INC AND SHALL NOT BE REPRODUCED ...

Страница 2: ...M CG RAM 9 2 2 8 Parallel Serial Data Conversion Circuitry Timing Generator Circuitry 9 3 0 THEORY OF OPERATION 10 3 1 Serial Interface 10 3 2 Error Detection and Reporting 10 3 3 Power up Sequence 11 3 4 Transmission Sequence for Instructions 11 3 5 Instruction Set 12 3 5 1 Instruction Summary 13 3 5 2 Sample Instructions In BASIC 13 3 6 Down Loadable Special Characters 14 3 7 Self test 16 3 8 Di...

Страница 3: ... CODE IDENT NO 05464 S03805 21 0200 Van Nuys California SCALE N A REV C SHEET 3 6 2 Non Operating 18 7 0 OPTICAL SPECIFICATIONS 18 7 1 Optical Characteristics 18 7 2 Viewing Angle Adjustment 18 8 0 INSTALLATION NOTE 18 9 0 ACCESSORIES 18 10 0 OUTLINE AND INTERFACE CHARACTERISTICS 18 ...

Страница 4: ... RAM and Character Patterns CG RAM Data 9 Figure 5 8 bit Serial Data Format 10 Figure 6 Default Configuration at Power up 11 Figure 7 Instruction Sequence 11 Figure 8 Data Sequence 11 Figure 9 Instruction Set 12 Figure 10 Down loadable Special Characters 15 Figure 11 Power Supply Requirements 18 Figure 12 External Reset Circuit 18 Figure 13 Definition of Vertical Viewing Angle 18 Figure 14 Definit...

Страница 5: ...Bi refringent Effect SBE liquid crystal cell used in this display The serial data input model of the 03805 21 Daystar Nova display allows communication between a host processor and the display by means of a serial RS 232C interface This provides the capability to communicate over a longer distance than is possible with the parallel model The RS 232 interface is a two wire communication link 1 3 St...

Страница 6: ...nd to activate the function All three inputs may be left open if not used The VBIAS test point is used at the factory to preset the viewing angle The LCD Controllers are microprocessor units MPU designed specifically to control all multiplexing and character decoding functions for the LCD display LCD Controller 1 LCD Cell Column Drivers LCD Controller 2 Column Drivers Microprocessor Temperature Co...

Страница 7: ...Seg1 Seg40 Com1 Com16 D 5 5 40 Figure 2 LCD Controller Block Diagram 2 2 1 Instruction Register IR The IR stores instruction codes such as display clear and cursor shift and address information of the display data RAM DD RAM and character generator RAM CG RAM The IR can be written from the MPU but not read 2 2 2 Data Register DR The DR temporarily stores data to be written into or read from the DD...

Страница 8: ...OM CG ROM The CG ROM generates character patterns of 5 X 7 dots from 8 bit character codes The 192 5 X 7 dot matrix characters are illustrated in Figure 3 Figure 3 Correspondence Between Character Codes and Character Patterns Note Addresses 00h through 0Fh are reserved for CG RAM Addressing Addresses 10h through 1Fh and 80h through 9Fh are not used ...

Страница 9: ...haracter Patterns CG RAM Data NOTES 1 The CG RAM consists of 64 bytes Any bytes not used for character pattern information can be used for general purpose data RAM The 5 6 and 7 bits are never used for character pattern information and are always available for use 2 The 0 1 and 2 bits of character code correspond to the 3 4 and 5 bits of the CG RAM address 3 The 0 1 and 2 bits of the CG RAM addres...

Страница 10: ...no parity and two stop bits Since two command characters and numerous data characters are 8 bits in length it is recommended to operate in 8 bit mode if the host has this capability Where this is not possible 7 bit mode should be jumper selected see section 4 2 and a special command character 19h must be sent prior to each 8 bit command or data character i e characters where B7 1 Figure 5 represen...

Страница 11: ... Jumper defined per section 4 2 Parity bit present Parity checking enable Parity Odd or Even 7 or 8 data bits Multiplex rate of LCD Display clear YES Display ON OFF ON Cursor location Position 0 Cursor OFF Entry mode set Shift cursor right after character entry Controller 1 Data Instructions Data Figure 6 Default Configuration at Power up 3 4 Transmission Sequence for Instructions Figures 7 and 8 ...

Страница 12: ...Sets DD RAM address DD RAM data is sent or received after this is set 40µs Read Busy Flag and Address BF Reads Busy Flag BF and Address Counter 0µs Write Data to CG or DD RAM Writes data into CG RAM or DD RAM 40µs Read Data from CG or DD RAM Reads data from CG RAM or DD RAM 40µs Controller 1 Instructions 0 0 0 1 0 0 0 1 Subsequent data is Display Module Instructions for controller 1 Controller 1 D...

Страница 13: ... Electronic Engineers Inc SIZE A CODE IDENT NO 05464 S03805 21 0200 Van Nuys California SCALE N A REV C SHEET 13 DL 0 4 bit operation BF 1 Operating internally BF 0 Can accept instruction Figure 9 Instruction Set ...

Страница 14: ...ler 1 Instruction S 12h Subsequent Data Is Controller 1 Display Data 15h Subsequent Data Is Controller 2 Instruction S 16h Subsequent Data Is Controller 2 Display Data 17h Subsequent Data Down Loads Special Characters 19h Subsequent Data Is 8 Bit Length Character 3 5 2 Sample Instructions In BASIC The following instructions are provided as an example to illustrate the correct form and to assist th...

Страница 15: ... as described in section 4 4 the user has these additional preformatted characters available Note that all down loaded character data is lost and must be reloaded after power has been removed To facilitate the use of these characters a subsequent data instruction 17h is used to inform the microprocessor that the following two bytes of data identify 1 the location of the special character to be dow...

Страница 16: ...Industrial Electronic Engineers Inc SIZE A CODE IDENT NO 05464 S03805 21 0200 Van Nuys California SCALE N A REV C SHEET 16 Figure 10 Down loadable Special Characters ...

Страница 17: ...bit settings 3 8 Diagnostics 1 The display module can be operated by the host in a HEX dump mode This diagnostic mode provides for the HEX display of all serial data received While operating in this mode the module will ignore the multiplex jumper setting and operate the display in a 1 8 multiplex mode 2 Check the module jumpers for proper baud speed and parity settings Section 4 2 3 With power OF...

Страница 18: ...its 8 Data Bits 6 E6 1 8 Mpx N A 1 16 Mpx 7 Not Used 8 Not Used Baud rate will default to 1 if no jumper is installed Jumper options 7 and 8 are omitted and will indicate as logic 1 when in self test mode 8 bit word preferred When 7 bit word is selected see section 3 1 2 for use of instruction 19 Hex Selection of NO PARITY requires use of two stop bits 5 0 ELECTRICAL SPECIFICATIONS 5 1 Absolute Ma...

Страница 19: ...Requirements To utilize the optional external reset the RESET pin must be held at ground 0 5 Volts for at least 10 milliseconds after the power supply is within the voltage tolerance Figure 12 shows the module Reset circuit 5V 1k 3 3k 330 1uF Microprocessor Internal Pull down J2 Pin 3 Figure 12 External Reset Circuit 5 3 Interface Signals 5 3 1 Serial Interface Signals The display is designed to b...

Страница 20: ...ics Format Four lines of 40 characters Character Font 5x7 dot matrix with cursor Character Height w cursor 0 48 12 1mm Character Height w o cursor 0 39 9 9mm Character Width 0 24 6 1mm Overall Active Area 5 70 x 2 34 144 9mm x 59 5mm Peak Vertical Viewing Angle 20 below normal plane Viewing Mode Reflective light field Item Symbol Condition Min Typ Max Unit Viewing Angle Vertical φ1 φ2 CR 2 0 θ 0 1...

Страница 21: ...Figure 13 Definition of Vertical Viewing Angle Definition of Horizontal Viewing Angle top Viewing Display for Bottom Viewing Displays φ 20 Typically X X Y Y Normal φ 20º θ θ θ 90º θ 90º Figure 14 Definition of Horizontal Viewing Angle Display contrast ratio is given by CR B B 2 1 Where B1 Brightness of selected segment B2 Brightness of non selected segment ...

Страница 22: ...oard potentiometer This is considered to be a nominal adjustment but the user may prefer to vary this to optimize the viewing for a particular application The bias voltage is measured between VCC pin 7 and VBIAS pin 6 The viewing angle and contrast ratio may be externally controlled using an additional 10K ohm potentiometer The potentiometer on the rear of the module must first be set to the maxim...

Страница 23: ...ded 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 Supertwist LCD s may activate un driven elements in response to a surface static charge on the front polarizer It may take several minutes for such a surface static charge to dissipate 9 0 ACCESSORIES Part Mo...

Страница 24: ...ustrial Electronic Engineers Inc SIZE A CODE IDENT NO 05464 S03805 21 0200 Van Nuys California SCALE N A REV C SHEET 24 10 0 OUTLINE AND INSTALLATION CHARACTERISTICS Figure 17 03805 21 0200 Outline Drawing ...

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