字符点阵显示模块使用手册
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1. X H Yb Wm BUF RA H SHENZHEN YABIN ELECTRONICS CO LTD FITA Kpn T R HE F JI YB1602A LCD MODULE USER MANUAL bak RVM Se 22 a 7K FH RIK HE 18 3124 3 Lb H4 518108 H 15 0755 29517345 29517346 fk H 0755 29517347 http www yab lcm com E mail yablm 126 com X H Yb Wm BUF RA H LLE YABIN ELECTRONICS CO LTD 1 FUNCTIONS amp FEATURES Features Characters 16X 2 Lines LCD Mode SIN Controller IC SPLC780D or Equivalent Driving Method 1 16 Duty 1 5B1as Viewing Angie 6 O clock direction 6800 serial 8 Bit 4 Bit MPU Interface Backlight LED Operating Temperature Range 20 to 60 C Storage Temperature Range 30 to 70 C 2 MECHANICAL SPECIFICATIONS ITEM SPECIFICATIONS UNIT rs TET tout a 64 5 X 16 0 13 8 mm Number of Character 16 X 2 Lines E 2 95 X 5 15 mm Character Pitch 3 50 X 5 60 X H Yb Wm BUF RA H SHENZHEN YABIN ELECTRONICS CO LTD 3 EXTERNAL DIMENSIONS 1 60 0 55 e Qn lt an j 0 05 MAL 7 8 04 0 3 2 95 Br 0 6 MAX 13 LCD PANEL 16 Cha rac ters x2 Line A 40SEG 8 00 2 54x15 38 10 777100 2 Q 8 dle dle b alla olo lo o lolle BPa b U l sie 26 88 MMA Sie 2 64 50 V A 71 30 0 2 75 00 80 00 0 3 4 BLOCK DIAGRAM VDD _ 16COM VSS LCD S V2. N 2 line l linej and display font type iF 5x10 dots 5xd dots can be known by reading BF The contents of address counter can also be read Write data into internal RAM DDRAM CGRAM Read data from internal RAM DDRAM CGRAM Execution time fosc 270KHz Do not use any other commands not listed or the system malfunction may result For the details of rte display commands please refer to SPLC780C datasheet 10 DESIGN AND HANDING PRECAUTION 10 1 The LCD panel is made by glass Any mechanical shock eg Dropping form high place will damage the LCD module Do not add excessive force on the surface of the display which may cause the Display color change abnormally Xx H tr Wm HS RA H SHENZHEN YABIN ELECTRONICS CO LTD 10 2 The polarizer on the LCD is easily get scratched If possible do not remove the LCD protective film until the last step of installation 10 3 Never attempt to disassemble or rework the LCD module 10 4 Only Clean the LCD with Isopropyl Alcohol or Ethyl Alcohol Other solvents eg water may damage the LCD 10 5 When mounting the LCD module make sure that it is free form twisting warping and distortion 10 6 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 10 7 Only hold the LCD module by its side Never hold LCD module by add force on the heat seal or TAB 1
3. 0 8 Never add force to component of the LCD module It may cause invisible damage or degrade of the reliability 10 9 LCD module could be easily damaged by static electricity Be careful to maintain an optimum anti static work environment to protect the LCD module 10 10 When peeling of the protective film form LCD static charge may cause abnormal display pattern It is normal and will resume to normal in a short while 10 11 Take care and prevent get hurt by the LCD panel edge 10 12 Never operate the LCD module exceed the absolute maximum ratings 10 13 Keep the signal line as short as possible to prevent noisy signal applying to LCD module 10 14 Never apply signal to the LCD module without power supply 10 15 IC chip eg TAB or COG is sensitive to the light Strong lighting environment could possibly cause malfunction Light sealing structure casing is recommend 10 16 LCD module reliability may be reduced by temperature shock 10 17 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
4. Address bold time l in 13 88 Data set up time aw 8 88 Data delay ne lu gt ms os _ X H mm Waa 4 RA H SHENZHEN YABIN ELECTRONICS CO LTD MPU write timing RS R W DBO DB MPU read timing RS R W DEO DB 9 FUNCTION SPECIFICATIONS Xx H tr Wm HS RA H SHENZHEN YABIN ELECTRONICS CO LTD 9 1 Basic Setting To drive the LCD module corretly and provide normally display please use the following setting N 1 2 line display F 0 5 X 8 dots font D 1 display on Note These setting commands should issue to the LCD module while start up See the Display Commands section for details 9 2 Resetting The LCD Module When turning on the VDD and VSS power 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 N 1 2 line display Display clear DL 1 8 bit interface F 0 5 8 dot character font D 0 Display off C 0 Cursor off B 0 Blinking off J D 1 Increment by 1 S 0 No shift Reset routine could not generate the Basic Setting 9 3 Display Memory Map There are two main memory areas in the LCD module for display Character Generator RAM CGRAM Display Data RAM DDRAM 9 3 1 Character Generator RAM CGRAM Character Generator RAM is for storing the User defined Characters 5 X 8 do
5. O Controller LSI E 7 KA0066 40SEG DBO DB7 gt Or Ev LEDA LEDK Segment driver LE D Backlight X H tr Wm BUF RA H SHENZHEN YABIN ELECTRONICS CO LTD 5 POWER SUPPLY LCD MODULE 0 10K VDD V0 Operating voltage for LCD 6 PIN DESCRIPTION Ta WSs wv oero SSS Ta HHT VAN m H Data L Command 0 ST AW M Pitt We AN on eletti 7777 Power Power Supply For LED Baie gt gt gt For Power Supply For LED Baie gt gt gt Backlight Xx H tr Wm HS RA H SHENZHEN YABIN ELECTRONICS CO LTD 7 MAXIMUM ABSOLUTE LIMIT T 25 C soppy Wakage v To Tao v lww N Tapu vonage HTH To va v vso 7 Operating Temperature Top 20 70 JE NoCondensaon Storage Temperature gt ta 30 80 C _ NoCondefsaion Note Voltage greater than above may damage the module All voltages are specified relative to Vss 0V 8 ELECTRICAL CHARACTERISTICS 8 1 DC Characteristics VDD 5V VSS 0V Ta 0 50 C Supply Curent a SAs 35 mA except LED backlight iii e ee Output High Voltag Von Torxvari vad v _ Ioh 0 1mA DBO DB7 _ Output Low Forage Vol vs 05 V I0l 0 1mA DB0 DB7 8 2 AC Characteristics VDD 5V VSS 0V TTa 20 75 masam te 1500 88 _ Pe high level wath w us 88 Erisetime tr as Efaiime 2 88 address setuptime ts s s
6. ts font Totally 8 User defined Characters character code OOh 07h could be created X H mm Waa 4 RA H SHENZHEN YABIN ELECTRONICS CO LTD The User defined Character Codes are 00h and 07h They could be called into DDRAM as normal character User defined CGRAM CGRAM Data Font TE Character Addr Code Jai Not Use C GRAM Address Map 9 3 2 Character code ROM Please refer to SPLC780C datasheet 5x8 dots font pattern 5x8 dots font pattern 5x8 dots font pattern 5x6 dots font pattern 5x8 dots font pattern 9x8 dots font pattern 5x8 dots font pattern 5x8 dots font pattern SS K Y m wma TB MN A H xE YABIN ELECTRONICS CO LTD 9 4 Display Commands Instruction Be oth sbi pasne b Retum Home Eniry Mode set Display ON OFF Control Cursor or Display Shift Function Set Set CGRAM Address Read Busy Flag and Address Counter _ S NN e er e fos e e e RAM NOTE Write 20H to DDRAM and set DDRAM address to DOH from AC set DDRAM address to 00H from AC and return cursor to its orginal position if shifted The contents of DDRAM are not changed Assign cursor moving direction and enable the shift of entire display Set displav Di cursoriC and blinking of cursorib on off control bit set cursor moving and display shift control bit and the direction without changing of DDRAM data Set interface data length DL 3 bitid bit numbers of display line
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