DM2023-0SL3

DM2023 SANYO | Alldatasheet

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SANYO 20 Characters x 2 Lines Liquid Crystal Dot Matrix Display Module Preliminary Overview General Specifications The DM2023 is an LCD dot matrix display module that 1, Drive method: 1/16 duty, 1/5 bias (1/4 bias for the consists of an LCD panel and contoller/driver circuits, STN version) It is capable of displaying two lines of 20 characters. 2. Display size: 20 characters x 2 lines The DM2023 module incorporates the control circuits, 3. Character structure: 5 x 8 dots data RAM, and character generator ROM required for 4. Display data RAM: 80 characters (80 x 8 bits) display. The DM2023 provides both 8-bit and 4-bit 5. Character generator ROM: 192 characters parallel interfaces, and allows the controlling (See table 1.) microprocessor to read and write data directly. 6. Character generator RAM: 8 characters (64 x 8 bits) . eg 7. Instruction function: See table 2. Mechanical Characteristics 8. Circuit structure: See the block diagram. a [ $16.00) x92.5(H)x 190M) LEDversion | mm | [wnvowngaee if e7swmeieowy ir | [erarciersio =i 20(my eas qm) [Weaht [toc abouae Letras ——SSCSCSCSSC~irC nw Module Dimensions (unit: mm ) 5015

2.2 T5400 AREA) : 2omx

wf 7 EE —| we “ao us feo AY eo i ee | —— - i, 138 A He 3 . HL COTA Be 5") |5 a SEE Sa 3.2 [+ rr amE no Anes 0.6 [0.05 5x apt - 0 fa. iB no 116.0 13.0 max jl iain ea) Ter lis is] eo} LL ecse er KH ERE ee SANYO Electric Co., Ltd. Semiconductor Business Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOK YO, 110 JAPAN 71093TS No. 4433-19

Module Option Catalog Numbers 1234 DM2023—OA00 (G: first line) Liquid Crystal Characteristics (A: second line) Polarizers CD operati wereeens t 0 ™N 010 +50°C Single voltage supply | 6 o'clock S | Positive + Reflective type Yellow

1 TN 0 10 +50°C Single voltage supply | 12 o'clock A | Positive } Transtlective type 1 Yellow

7 STN 0 to +50°C Single voltage supply | — B_ | Positive {| Transmissive type ! Yellow G [77777777 Reflective type {Grey an . soni H Transflective type } Grey (OO: third and fourth lines) Backlighting J Transmissive type ‘Grey eT 13 | LED illumination (ultra-green) L7_| LED itumination (pure-green) Absolute Maximum Ratings at Ta = 25°C [Paranormal [Ratna Electro-Optical Characteristics at Ta = 25°C, Vpp — Vgg = 5.0 £0.25 V (unless otherwise specified) Parameter Condition Unit ee ee eee [Tnsurrigntevelvonage | Vw Pd 2d oP | [Insuttow evel volago ita fi or [Ouputhighievetvolage | Von | “ou=02ma ——S—S<d ee | id > | vd [Ouputiow evel votage | Vo | lustama iP Cd [Swoeiycurem oo Pd 8k (1) TN type (Optical characteristics listed are for the reflective type, 6 o’clock viewing angle version as an example.) Parameter symbol Condition Uni ka i [min Tye Tmax | LGD dive voliage Voo-Vo] e=20°, [ Tazorc [| ses [OP (roference values) ont80° [Tanase [42 [4a [aa Tv [ Tassoc [fas Tv Response time e=20 [| Taso [300 [600 [ms [Figures + anda on 180" [Tanase [| 100 | 200 ms | @=20, | Tazoro [| aso | 700 ms | 0 160" [Taw asec [160 | s00 ms [Convastraio TK [e207 peter [eT Fiaures 2 ands [Viewing anolerarge i wo) | ee 06h Kote | | 40 |__| Banas] (2) STN type (Optical characteristics listed are for the yellow mode reflective type as an example.) Parameter Symbol Condition Po Rating nt a ce LCD drive voliage Voo-Vo[ e=o | tazoc [| a7 fT (reference values) [ taz2erc [ao [4a [oe Pov fT [ tassoro foe Pv Response time 4 eno [taro fT 300600 ms [Figures 1 and 2 [Piacasc [fT t00 [200 ms | | tazoo fT aso 700 ms [ Tawasc P50 [00 ms [Gonvasrrato i em Rg [Viewngangerarse ier | Kei OP Cea] No. 4433-29

Figure 2. Viewing Angle Definition

0 Drive voltage

@ LED Backlight Characteristics (Note: Measured at the LED backlight element.) Absolute Maximum Ratings [Parameter SymbotTGondiion Rating uit) [Reverse breakdown voltage | Va | Tana TT [Powerdissipation TP Taw [600 [Operating temperature range [opr fT wv Electro-Optical Characteristics at Ta = 25°C Fe d volt . Luminescence wavelength Brightnes: oe eee Parameter onmare’yolage _{ Condition | (Peak) {Condition nines {Condition 42V {_§8V t 270mA 40v | S6V | 270mA Note: The maximum brightness values are reference values. LED Backlight Wiring Diagram wate ‘Cathode (-) . Consists of 27 units of 2 chips in series, notes for a total of 54 chips. ceseweee Anode (+) Characteristics Figure (representative sample) Note: L3 type log - Ta Relative brightness, |; i Pi tty jt ty < 100} —+ ER rN es ee a SE fa +f AETT J td La 5 en ee ee PN) Pee PT TCP AL] fee ee a acy LZ g z Ly ef | Pt fry tt z 10 — 09000 ba 0 Ey Ambient temperature, Ta ~ °C Forward current, I;-mA No, 4433-4/9

Display Position and DD.RAM Addresses Left side {Display position) Right side 1 2 10 011 19 «20 ‘Second line GOH AtH ieee GH GAH icccceseenS2H 53H Note: The return home instruction resets the cursor 10 location 00H, Supply Circuit Examples +5V R-BIAS = Voo 7.5kQ STN type Vo . R-BIAS = Va 2 6kQ re Vss ov Note: When the Vp is set to 5 kO for TN versions or 4 kQ tor STN versions, the LCD drive voltage can be varied over a range of from Sto SV. Block Diagram pe ge Sy SRRE TE Rv] |; OM2023 Rewited tose age eRe oe Yoo ———> i eg 0OM16 B F) 4[ Convolleridriver has RS Br RS ——= |r shica pace Famer Fe R/W —— rae Pee ae Ls a ane Lamers} B SEGA4O ~ 4 i pa D.M Be i ie CLI.CL2 Driver Ic 2 4 (eption) Sa Soe coe i eee LED backlight : yee 4 IC 1: HD44780 or LC798SNA-8733, IC 2: SED1181FLA or NJU6417 No. 4433-5/9

A ee ee STS) Register select pin 0: Instruction register (write) Busy flag and address counter (read) 1: Data register (read/write) RW Readrwrite pin 0: Write; MPU — LCD module 1: Read; LCD module +» MPU [6 [era tag

71010 DBO to DBS Data bus (tristate bidirectional pins)

Used as the lower 4 bit pins when an 8-bil interlace is used. Unused when a 4-bit interface is used

111014 DB4 to 087 Data bus (ristate bidirectional pins)

Used as the upper 4 bit pins when an 8-bit interface is used. Used as the 4 data bits when a 4-bit interlace is used. DB7 is also be used as the busy flag. Note: This module is designed so that it can be used with 4-bit and B-bit microprocessors. In 4-bit mode data is transferred in two 4-bit cycles, and in 8-bit mode data is transferred in one 8-bit cycle. Supply conditions when the built-in reset circuit is used. ; cave oe arameter mba! In [Suppiyreeme | tee] or | | 0 [me [supyorine | owe ff | | | If the above conditions are not met the internal reset circuit may not function correctly. Therefore, instruction reset should be used in such cases. ASV 0.2v Vee o.2v 0.2v Note: The value torr specifies the minimum time the power supply is off when the power is shut off or the power Is repeatedly turned on and off. 0.1 ms s tie s 10 ms torr 2 1 ms No. 4433-79

Table 1 Character Code/Character Pattern Correspondence Chart Upper 4bits; 0000) 0010/0011 orto) 1100| 4101} at1Of1101 CG. xxxxgoo0 | RAM coon [| TY TRVTENT ile [PTR Les a oy cow] ® EIEN RIEU tL] oan | ELSIE Se [a FE ee cone) = SET Tet. EDEL pa woo) = Sal LST * [AL wow) SIE UPS |e pT won 1) SLY a TLE won| ee Te aleleloarlle) || Poon STEELE 2 IED | wewnsoo| Te TE TLTSEDE LT [ae [at 78) ob] a] worn [= MDD? alee eon” Ly LAL Teall ETE” TP) | cow LT FIG oe el SI Note: The CG RAM is a character generator RAM that stores character patterns that may be freely rewritten by the user. a ey No. 4433-8/9

Table 2 Instruction Functions Execution ime

Description

ee escacsescacs an {wien tos = 250 ka] Display clear Clears the whole display and then returns | 82 psto 1.64ms the cursor to the home position (location 0). ‘Cursor home Returns the cursor to the home position. 40s to 1.6 ms Also restores a shifted display. The contents of OD RAM are not changed. Entry mode set vo Sets the cursor advance position and whether the display shifts. These operations are pertormed when data is read or written. Display orvoft 1 c Sets the display onvoff state (D), the cursor control on/off state (C), and the blinking state (B) of the character at the cursor position. Cursoridisplay shift sc] RL Performs cursor motion and display shift without changing the contents of DD RAM. Function set OL F Sets the interface data length (DL), the number of display lines (N), and the character font (F). CG RAM address ACG Sets the CG RAM address, The next data set transmitted will be CG RAM data. DO RAM address Sets the DD RAM address. The next data 40 us set transmitted will be DD RAM data. i Busy flag/address 1 | 8F AC Reads out the busy flag (BF), which Ths readout indicates the internal operation in progress state, and the contents of the address register CG RAM/OD RAM Write data Writes to DD RAM or CG RAM. data write CG RAMDD RAM Read data Reads data om DD RAM or CG RAM. 40 us data read VD = 1: Increment (+1) DD RAM: Display data RAM The execution times VD = 0; Decrement (-1) CG RAM: Character generator RAM will change if the S=1: Display shitt at he same time ACG: ACG RAMaderess internal oscillator S/C = 1: Display shift ADD: Corresponds toa DD RAM frequency is SIC = 0: Cursor move address changed. RIL = 1: Right shift AC: The address counter, whichis} Example: If an fog¢ PUL =O: Left shift used for both DD and CG RAMs. of 270 kHz is used, OL= 1; 8 bits, DL = 0:4 bits then a 40 us time Ne=t: 2iines,N=0: 1 line from this chart will Fat: 5x10 dots, F =0:5x7 dols become 40 ps x BF = 1: Internal operation in progress 250/270 = 37 ps BF = 0: Instructions accepted *: Invalid (don't care) WNo products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. W Anyone purchasing any products described or contained herein for an above-mentioned use shall ® Accept full responsibility and indemnify and defend SANYO ELECTRIC CO, LTD,, its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and ali damages, cost and expenses associated with such use: ® Not impose any responsibility for any fault or negligence ‘which may be cited in any such claim or litigation on SANYO ELECTRIC CO, LTD, its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. WM Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guarant- eed for volume production, SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties, No. 4433-9/9