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Industrial Electronic Engineers, Inc.

SIZE

A

CODE IDENT NO.

05464

S03858–06–0205

Van Nuys, California

SCALE     N/A

REV  C

SHEET  11

3.3

Power–up Sequence

Upon power–up, the serial Daystar Nova display module is automatically initialized to the format defined by the
jumper settings and default values shown in Figure 6.  The power–up sequence takes about 0.5 second.

Baud rate:

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 depict the recommended sequence for each data or instruction transmission.

11h

Byte

1

2

3

4

n

Figure 7

Instruction Sequence

Byte

1

2

3

4

n

12h

Figure 8

Data Sequence

Summary of Contents for 03858-06-0205

Page 1: ...C C C C C C C C C C C C C C C C C C C C C 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 CALIFOR...

Page 2: ...tor RAM CG RAM 9 2 2 8 Parallel Serial Data Conversion Circuitry Timing Generator Circuitry 9 3 0 THEORY OF OPERATION 9 3 1 Serial Interface 9 3 2 Error Detection and Reporting 9 3 3 Power up Sequence...

Page 3: ...8 0 EL BACKLIGHTING 9 8 1 EL Backlight Description 9 8 2 Electrical Characteristics of EL Backlight 9 8 3 Operation 9 8 3 1 Normal Operation 9 8 3 2 Brightness Voltage and Frequency Characteristics 9...

Page 4: ...bit Serial Data Format 9 Figure 6 Default Configuration at Power up 9 Figure 7 Instruction Sequence 9 Figure 8 Data Sequence 9 Figure 9 Instruction Set 9 Figure 10 Down loadable Special Characters 9 F...

Page 5: ...tics of the new Super Bi refringent Effect SBE liquid crystal cell used in this display The serial data input model of the 03858 06 Daystar Nova display allows communication between a host processor a...

Page 6: ...Volt supply as the display module RESET and TEST pull down to ground 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 vi...

Page 7: ...it Shift Register 3 16 16 CL1 CL2 M Parallel Serial Data Conversion Circuit Parallel Data Serial Data 40 bit Latch Circuit Segment Signal Driver 40 bit Shift Register Seg1 Seg40 Com1 Com16 D 5 5 40 Fi...

Page 8: ...nd position of the characters in the display can be controlled by the user Refer to Entry Mode Set and Cursor or Display Shift instructions 2 2 6 Character Generator ROM CG ROM The CG ROM generates ch...

Page 9: ...aracter 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...

Page 10: ...o 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 p...

Page 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...

Page 12: ...ets DD RAM address DD RAM data is sent or received after this is set 40 s Read Busy Flag and Address BF Reads Busy Flag BF and Address Counter 0 s Write Data to CG or DD RAM Writes data into CG RAM or...

Page 13: ...Electronic Engineers Inc SIZE A CODE IDENT NO 05464 S03858 06 0205 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 Inst...

Page 14: ...er 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 Sp...

Page 15: ...described in Paragraph 2 2 7 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 faci...

Page 16: ...Industrial Electronic Engineers Inc SIZE A CODE IDENT NO 05464 S03858 06 0205 Van Nuys California SCALE N A REV C SHEET 16 Figure 10 Down loadable Special Characters...

Page 17: ...it 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 mo...

Page 18: ...B 1 1 E1 4800 Baud 1200 Baud 2 E2 2 x Baud 1 x Baud 3 E3 Parity No Parity 4 E4 Even Parity Odd Parity 5 E5 7 Data Bits 8 Data Bits 6 E6 1 8 Mpx N A 1 16 Mpx 7 Not Used 8 Not Used Baud rate will defaul...

Page 19: ...nless the rise time tRCC of the power supply is correct at turn on 1ms tRCC 10ms Figure 11 represents the requirements of the power supply Note that tOFF stipulates the minimum time that power can be...

Page 20: ...tion and a space condition The user should observe generally accepted design rules when interfacing to the display Space Voltage VRX Data VRX Data RTN 3 0 to 25 0 Volts Mark Voltage VRX Data VRX Data...

Page 21: ...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 Transflective light field Item Symbol Condition Min Typ Max Unit Viewing Angle...

Page 22: ...iewing Display for Bottom Viewing Displays 20 Typically X X Y Y Normal 20 90 90 Figure 14 Definition of Horizontal Viewing Angle Display contrast ratio is given by CR B B 2 1 Where B1 Brightness of se...

Page 23: ...ule must first be set to the maximum resistance by turning the adjustment fully counterclockwise A 10K ohm potentiometer can then be connected between pin numbers 4 and 7 on the connector Since the mo...

Page 24: ...uencies can be applied to the lamp to increase or decrease the light output Figure 17 illustrates the relationship between brightness and voltage Figure 18 illustrates the relationship between brightn...

Page 25: ...y components in the square wave as distance from the bus bar increases Consequently the waveform is rounded at distances away from the bus bar Second the leading edge of a square wave contains high or...

Page 26: ...istics of the lamp The inverter operates in a constant power mode which provides for long lifetime at a relative constant light output Because of the quasi sinusoidal output RFI is minimal and usually...

Page 27: ...strial Electronic Engineers Inc SIZE A CODE IDENT NO 05464 S03858 06 0205 Van Nuys California SCALE N A REV C SHEET 27 11 0 OUTLINE AND INSTALLATION CHARACTERISTICS Figure 20 03858 06 0205 Outline Dra...

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