Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
DLX3416 Datasheet(PDF) 4 Page - OSRAM GmbH |
|
DLX3416 Datasheet(HTML) 4 Page - OSRAM GmbH |
4 / 5 page 2000 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA Appnote 17 www.infineon.com/opto • 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany www.osram-os.com • +49-941-202-7178 4 May 31, 2000-12 digit worst cast) should be avoided, since this loss is in addition to any inaccuracies or load regulation limitations of the power supply. The 5 volt power supply for the displays should be the same one supplying VCC to all logic devices which drive the display devices. If a separate supply must be used, then local buffers using hex non-inverting gates should be used on all inputs and these buffers should be powered from the display power supply. This precau- tion is to avoid logic inputs higher than display VCC during power up or line transients. Figure 5. Interfacing the 3416 A general and straightforward interface circuit is shown in Figure 6. This scheme can easily interface to µP systems or any other systems which can provide the seven data lines, appropriate address, and control lines. Figure 6. General interface circuit H H H H H H H H H Blank Previous Characters Normal Data Entry Enable Previous Stored Cursors L H H H H H H H H H H NC NC NC NC NC D D D BL CE1 CE2 CUE CU WR CLR A 1 A 0 D6 D5 D4 D3 D2 D1 D0 Digit Digit Digit Digit See Character Set Loading Cursor Loading Data X H X X L L L L L L L X L L L L L L L L L L H H H H H H H H H H H X X X H L L L L L L L H H H H H H H H H H H X X X X L L H H L H – X X X X L H L H L L – X X X X H H H H H H – X X X X L L L L L L – X X X X L L L L L L – X X X X L L L L L H – X X X X L L L H H L – X X X X L H H L L H – X X X X H L H L H H – X X H X L L L L L L L L L L L L L L L L L L L L L L L L L L H H H H H L L H H H L L L L H L H X H L L L L H L H H H H H H H H H H X X L L H H X L X X X L H L H X L X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X H H H H X L X NC NC NC NC C C C K NC NC NC B B NC B B NC NC A A NC A E E NC NC NC D D NC NC K K NC B B E E E X = Don ‘ t care NC = No change from previously displayed characters 3 2 1 0 = a ll dots/segments on at half brightness Display Decoder Display Display Display Vcc GND D0–D6 A2 A3 CE 7/ CU CUE BL CLR WR A0 A1 D15 D12 D11 D8 D7 D4 D3 D0 Parallel I/O The parallel I/O device of a microprocessor can easily be con- nected to the circuit in Figure 6. One eight bit output port can provide the seven input data bits and the cursor (CU). Another eight bit output port can contain the address and chip enable information and the other control signals. INIT: MVI A,80H OUT CONTROL ;CONTROL DATA MODE 0 ;LOAD CONTROL REGISTER CUSR: MVI A,00H OUT PORT A MVI B, 0FH ;CLEAR CURSOR DATA ;LOAD DATA PORT ;SET CHARACTER COUNTER CUSRI :MOV A, B CALL DSPWT DCR B JNZ CUSRI MOV A, B CALL DSPWT MVI A, FFH OUT PORT B ; ;WRITE SUBROUTINE ;DECREMENT COUNTER ;DIGIT 0? ; ; ;SET DATA FOR CONTROL ;LOAD CONTROL LINES DISP: LXI H, TABLE ;SET TABLE ADDRESS DISP1 MOV A, M OUT PORT A MOV A, B CALL DSPWT INX H INR B MVI A, 10H CMP B JNZ DISP1 HALT ;MOVE TABLE DATA INTO ACCUMULATOR ;LOAD DATA PORT ; ;LOAD ADDRESS AND CONTROL ;INCREMENT TABLE ADDRESS ;INCREMENT COUNTER SET # OF DIGITS ; ;16 CHARACTERS? ;END OF PROGRAM DSPWT :ORI F0H OUT PORT C ANI 7FH OUT PORT C ORI F0H OUT PORT C RET ;SET CONTROL BITS OFF ;LOAD CONTROL ;SET WRITE BIT ON ;LOAD WRITE ORI F0H ;LOAD CONTROL TABLE: DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB ;0C3H ;0C9H ;0D4H ;0D3H ;0C1H ;0D4H ;0CEH ;0C1H ;0C6H ;0A0H ;0D3H ;0D4H ;0C8H ;0C7H ;0C9H ;0CCH |
Número de pieza similar - DLX3416 |
|
Descripción similar - DLX3416 |
|
|
Enlace URL |
Política de Privacidad |
ALLDATASHEET.ES |
¿ALLDATASHEET es útil para Ud.? [ DONATE ] |
Todo acerca de Alldatasheet | Publicidad | Contáctenos | Política de Privacidad | Intercambio de Enlaces | Lista de Fabricantes All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |