LMB162ABC - Seeed Studio
Contents
1. Electrical Characteristics 3 1 DC Characteristics Vss 0V Vpp75 OV Top 25 C Symbol MAX Condition Application Pin V VDD O Haat High votes Ve Oa Var VT RS ROW DBO DBT RS R W E DBO DB7 Input Low Voltage Vu Vs 05 v Output High Voltage Von O7xVoop Voo V low 0 1mA DBO DB7 Output Low Voltage Vo Vs 05 V la 0 1mA DBO DB7 Operating Current lp 13 30 mA VDD 3 2 LED Backlight Circuit Characteristics Vai 70V Ifa 47100mA Top 25 C Items Symbol MIN TYP MAX Unit ApplicablePin Forward Voltage Vfsa 49 V JBA Forward Current Ifsa 150 mA BLA Cautions Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime BLA BLK URL www topwaydisplay com Document Name LMB162ABC Manual Rev0 2 DOC www topwaysz com Page 5 of 11 TOPWAY LCD Module User Manual LMB162ABC 3 3 AC Characteristics Vss 0V Vpp 5 0V Top 25 C Item Symbol MN TYP MAX Unt Ecycletime te 650 ns Ehighlevewdh tpw 290 ms Erisetme tr 16 ns C i A Address set up time tas 50 ll m Address hold time tah 13 n e a 5d X1 Data delay time tddr Data hold ime thts RS R W tos tpw tah E tr2. so ne Ct tc Host Write Timing Diagram MENS R W tos tpw E uw DBO DB Host Read Timing Diagram URL www topwaydisplay com Document Name LMB162ABC Manual Rev0 2 DOC www topwaysz com Page 6 of 11 TOPWAY LCD Module User Manual LMB162ABC 4 Function Specifications 4 1 Basic Setting To drive the LCD module correctly and provide normally display please use the following setting N 1 2 line display F 0 5x8 dots font D 1 display on Note 1 These setting commands should issue to the LCD module while start up 2 See the Display Commands section for details 4 2 Resetting the LCD module When turning on the VDD and VSS p ower supply LCD module will execute the reset routine automatically It takes about 50ms After the reset routine the LCD module status will be as follow Display clear DL 1 8 bit interface 1 line display 5x8 dot character font Display off Cursor off Blinking off Increment by 1 No shift Onunocoooo voou nz O n I Note 1 Reset routine could not generate the Basic Setting 4 3 Adjusting the LCD display contrast A Variable Resistor must be connected to the LCD module for providing a reference supply to VO Adjusting the VR will result the change of LCD display contrast The recommended value of VR is 5k Ohm LCD Module VO VSS URL www topwaydisplay com Document Name LMB162ABC Manual Rev0 2 DOC www topwaysz com Page 7 of 11 TOPWAY 4 4 Dis
3. line display N 0 1 line display F 1 5x11 dots font F 0 5x8 dots font td 0 o 1 ACSACAAC3 ACZAC Set CGRAM address in address counter erate 0 1 AC6 AC5 AC4 AC3 AC2 AC1 ACO Set DDRAM address in address counter Read Busy fla Lp rl 1 1 Check the system status and get the address amp ad n J BF ACGACSACAAC3AC2ACTACO counter content AC6 ACO 0001 1 ij j ee BF 1 busy BF 0 ready Return Home Cursor or Display Shift 7 1010 1 DLNF x Write data D7 D6 D5 DA D3 D2 D1 DO Write the data into internal RAM where the to RAM pos p uc d c address counter pointing at Read data D7 D6 D5 DA D3 D2 D1 DO Read the data from internal RAM where the from RAM 1 j d j jd i address counter pointing at Note 1 Do not use any other command not listed or the system malfunction may result 2 For the details of the Display Commands please refer to 56A2067 datasheet URL www topwaydisplay com Document Name LMB162ABC Manual Rev0 2 DOC www topwaysz com Page 10 of 11 TOPWAY LCD Module User Manual LMB162ABC 5 Design and Handling Precaution URL The LCD panel is made by glass Any mechanical shock eg dropping form high place will damage the LCD module 2 Do not add excessive force on the surface of the display which may cause the Display color change abnormally 3 The polarizer on the LCD is easily get scratched If possible do not remove the LCD protective film until
4. the last step of installation 4 Never attempt to disassemble or rework the LCD module 5 Only Clean the LCD with Isopropyl Alcohol or Ethyl Alcohol Other solvents eg water may damage the LCD 6 When mounting the LCD module make sure that it is free form twisting warping and distortion 7 Ensure to provide enough space with cushion between case and LCD panel to prevent external force adding on it or it may cause damage to the LCD or degrade the display result 8 Only hold the LCD module by its side Never hold LCD module by add force on the heat seal or TAB 9 Never add force to component of the LCD module It may cause invisible damage or degrade of the reliability 10 LCD module could be easily damaged by static electricity Be careful to maintain an optimum anti static work environment to protect the LCD module 11 When peeling off the protective film from LCD static charge may cause abnormal display pattern It is normal and will resume to normal in a short while 12 Take care and prevent get hurt by the LCD panel sharp edge 13 Never operate the LCD module exceed the absolute maximum ratings 14 Keep the signal line as short as possible to prevent noisy signal applying to LCD module 15 Never apply signal to the LCD module without power supply 16 IC chip eg TAB or COG is sensitive to the light Strong lighting environment could possibly cause malfunction Light sealing structure casing is recommend 17 LC
5. 1h 42h 43h gt e 4Ch 4Dh 4Eh 4Fh DDRAM Address DDRAM Address Map Note 1 The mapping is based on top view of the LCD module 2 N71 2 line display 3 F 0 5x8 dots font 4 D 1 display on URL www topwaydisplay com Document Name LMB162ABC Manual Rev0 2 DOC www topwaysz com Page 9 of 11 TOPWAY LCD Module User Manual LMB162ABC 4 5 Display Commands iue e ee Function Clear T ell es lee tae ee Write 20h to DDRAM and Display Be Be Be Oo oe ee Oe ee set DDRAM address AC to 00h L ot fF Fe y T3 3 Set DDRAM address AC to 00h and return cursor to its original position if shifted DDRAM contents are not change Set cursor moving direction and specify display 03 3 3 3 P P Pd shift during data read and write of DDRAM and Entry Mode Pare PPP CGRAM Set NE AZ ONE BE D NM ud S 1 screen shifting S 0 no screen shifting 3 0 d d d ee l D21 AC AC 1 and if S 1 screen shift left I D 0 AC AC 1 and if S 0 screen shift right ae ae L 1 Ff 3 d 4 D 1 display on D 0 display off Ed 10j 0j0 j 0 0 1 DiC C 1 cursor on C 0 cursor off B 1 cursor blinking on B 0 cursor blinking off Move the cursor or shift the display where o 1 d bPO DDRAM contents 1 SIC RIL x S C 1 shift screen S C 0 shift cursor o 1 ee ee R L 1 to right side R L 0 to left side if S C 1 AC will not be changed Eunebon DL 1 8 bit interface DL 0 4 bit interface Set N 1 2
6. BO DB7 RS R W E URL www topwaydispaycom Document Name LMB162ABC Manua Rev0 2 DOC www topwaysz com Page 3 of 11 TOPWAY LCD Module User Manual LMB162ABC 1 4 Terminal Functions Power supply Ground 0V Positive power supply 3 Power LCD contrast reference supply 4 i Input Register Select RS HIGH transferring display data RS LOW transferring instruction data RAW Input Read Write Control bus R W HIGH Read mode selected R W LOW Write mode selected 6 E Input Data Enable 7 DBO VO Bi directional tri state Data bus EE NENNEN NN In 8 bit mode DBO DB are in use In 4 bit mode DB4 DB are in use DBO DB3 leave open DB7 Backlight positive supply Backlight negative supply URL www topwaydisplay com Document Name LMB162ABC Manual Rev0 2 DOC www topwaysz com Page 4 of 11 TOPWAY LCD Module User Manual LMB162ABC 2 Absolute Maximum Ratings Items Symbol Min Max Unit Condition Supply Voltage Vo 0 60 V Vs OV input Voltage vs 0 Ve V Vss0V Operating Temperature Storage Temperature Ts 30 80 C No Condensation Cautions Any Stresses exceeding the Absolute Maximum Ratings may cause substantial damage to the device Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability 3
7. D module reliability may be reduced by temperature shock 18 When storing the LCD module avoid exposure to the direct sunlight high humidity high temperature or low temperature They may damage or degrade the LCD module www topwaydisplay com Document Name LMB162ABC Manual Rev0 2 DOC www topwaysz com Page 11 of 11
8. LMB162ABC LCD Module User Manual shenzhen TOPWAY Technology Co Ltd Descriptions Release Date Prelimayreleese 1 1 2005 03 17 Typing Correction in 1 3 Block Diagram 1 1 2007 05 06 URL www topwaydisplay com Document Name LMB162ABC Manual Rev0 2 DOC www topwaysz com Page 1 of 11 TOPWAY LCD Module User Manual LMB162ABC Table of Content 1 Basic Specifications usniiimstisiatUctueui racistes vius tei UE Ur tes nae decseucicedde acueteasautuscueatecenelecntdstnrena 3 1 1 DISDIAY SPSCIICATIONS usssbusssniseskuduriudntazH scu eUsIu DEED e TOA r DA IEOP PUE EU SudECPNMbiF UPPER 3 1 2 Mechanical Specifications leesessssssssssssssssseseeenne nne nennen nenne nsns nnns 3 DO MEE ee dB erm 3 1 4 Terminal Functions cccccccceccccccccececcececcuceueeceuceneeeneceeneteneaeeneaueneuceueateneanentanenteneneeneas 4 2 Absolute Maximum Ratings 1 eeeleeeeeeeieeeieeei enhn ene n nnn nnn nnn nnn n nna nnns annus 5 3 Electrical Characteristics eleeeeeeeeeeeeeee eren nenne nnnm h hme nu nune senes ness rrr 5 3 1 Blei e ERROR 5 3 2 LED Backlight Circuit Characteristics cccccceccesecseececeseesseeeeeeseeeneeeueseeeseeeeeeeseeeeneeaaes 5 3 3 AC Characteristics sssessssssesesee e me e emere e emer er emere rememisia ese iria e esa e e esie eis 6 4 Function Specifications oexuccnipos
9. assibrsebi annuus dod Usa een tee FEX A MF ruwE RExOF UID US qUKNRUNCN ERN URES 7 Al RGIS FEIN Nee T 4 2 Resetting the LCD module 1 seeessesssesssesssseeeeen nnne nennen nena nenne nnns nnns 7 4 3 Adjusting the LCD display COntrast cccccccccccccceeceeeeeeeeeceeeeeeeeseeeeeeeeeeeeeeeeeseeeeseeesaeeeaes 7 AA IIS A dues Em 8 4o Display Commands em 10 5 Design and Handling Precaution ccccecceeceeeeeeeeeeeeeeseneceeeenseneseesenecaesensensseesonesensoneaaes 11 URL www topwaydisplay com Document Name LMB162ABC Manual Rev0 2 DOC www topwaysz com Page 2 of 11 TOPWAY LCD Module User Manual LMB162ABC 1 Basic Specifications 1 4 Display Specifications 1 LCD Display Mode STN Positive Transflective 2 Display Color Display Data 1 Deep Blue 1 Display Data 0 Yellow Green 2 3 Viewing Angle 6H 4 Driving Method 1 16 duty 1 5 bias 5 Back Light Yellow Green LED backlight Note 1 Color tone may slightly change by Temperature and Driving Condition 2 The Color is defined as the inactive background color 1 2 Mechanical Specifications 1 Outline Dimension 80 0 x 36 0 x 15 8MAX See attached Outline Drawing for details 1 3 Block Diagram LCD Panel 16 x 2 Char 5x8dots ele ui LED Backlight Circuit zo om D oS i E 0 Oo oO o on 0 S6A0069 S6A0065 BLA or or BLK equivalent equivalent Yoo VSS VO D
10. play Memory Map There are two main memory areas in the LCD module for display Character Generator RAM CGRAM Display Data RAM DDRAM LCD Module User Manual 4 4 1 Character Generator RAM CGRAM Character Generator RAM is for storing the User defined Characters 5x8 dots font Totally 8 User defined Characters character code 00h 07h could be created LMB162ABC The User defined Character Codes are 00h and 07h They could be called into DDRAM as normal character User defined Character Code 00h 08h URL www topwaydisplay com www topwaysz com CGRAM CGRAM Data Font Pattern AGATESG D7 D5 D4 DO 00h 01h Not Use 06h 08h Not Use CGRAM Address Map 5x8 dots font pattern 5x8 dots font pattern 5x8 dots font pattern 5x8 dots font pattern 5x8 dots font pattern 5x8 dots font pattern 5x8 dots font pattern 5x8 dots font pattern Document Name LMB162ABC Manual Rev0 2 DOC Page 8 of 11 TOPWAY LCD Module User Manual LMB162ABC 4 4 2 Display Data RAM DDRAM ROM Characters Character Code 10h FFh could be written into DDRAM for displaying the Character 5x8 dots font User defined Characters Character Code 00h 07h stored in CGRAM could also be use Calling Character Code 08h OFh will call out User defined Characters 00h 07h respectively DDRAM Address 00h 01h 02h 03h Ch ODh OE OFh 16 x 2 Characters 5x8 dots font 40h 4
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