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| XIAMEN OCULAR OPTICS CO.,LTD SPECIFICATIONS OF LCD MODULE PART NUMBER DATE GDM1602B SERIES JULY 28, 1998 w w w .d ee sh ta a u. t4 om c www..com CONTENTS Mechanical Diagram Absolute Maximum Ratings Description of Terminals Optical Characteristics Electrical Characteristics DC Characteristics AC Characteristics Write Cycle Timing Characteristics Block Diagram Display Commands Reliability and Lift Time Standard CharacterPattern 2 3 3 4 4 5 5 6 7 8 9 10 XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 Mechanical Diagram XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 Absolute Maximum Ratings Item Power Voltage Input Voltage Operating Temperature Range Storage Temperature Range Symbol VDD -VSS Vin TOP TST Min 0 VSS 0 -20 Max 7.0 VDD +50 +60 Unit V *wide Temperature range is available (operating/storage temperature as wide as -20 +70/-30 +80 ) Description Of Terminals Pin No. 1 2 3 4 Pin Name VSS VDD VO RS Input/ Output External Connection Power Supply Function VSS:GND VDD: +5V VLCD adjustment Register select signal "0":Instruction register (when writing) Busy flag & address counter (When reading) "1":Data register (when writing & reading) Read/write select signal "0" for writing , "1" for reading Operation (data read/write) enable signal Low-order lines of data bus with 3-state, bi-directional function for use in data transaction with the MPU. These lines are not used when interfacing with a 4-bit microprocessor. High-order lines of data bus with 3-state, bi-directional function for use in data transactions with the MPU. DB7 may also be used to check the busy flag. LED + VOLTAGE TYPE:4.2V MAX : 4.5V LED - : GND INPUT MPU 5 6 7 / 10 R/W E DB0-DB3 Input Input Input MPU MPU MPU 11 / 14 15 / 16 DB4-DB7 LED + Input Input MPU LED BACKLIGHT POWER SUPPLY LED - XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 Optical Characteristics for TN Type Display Module (T a=25 , VDD=5.0V 0.25V) Item Symbo Conditio Min. Typ. l n Viewing angle Cr 4 -25 -30 Contrast ratio Cr 2 Response Tr 120 time(rise) Response time(fall) Tr 120 for STN Type Display Module (T a=25 , VDD=5.0V 0.25V) Item Symbo Conditio Min. Typ. l n Viewing angle Cr 2 -60 -40 Contrast ratio Cr 6 Response Tr 150 time(rise) Response time(fall) Tr 150 Max. Unit deg 30 150 150 ms ms Max. 35 40 250 250 Unit deg ms ms Electrical Characteristics DC Characteristics Parameter Supply voltage for LCD Input voltage Supply current Input leakage current "H" level input voltage "L" level input voltage "H" level output voltage "L" level output voltage Backlight supply power Symbol VDD VO VDD IDD ILKG VIH VIL VOH VOL VF Conditions TA=25 VDD=5.0V;T A=25 Twice initial value or less LOH= -0.25MA LOL=1.6MA Min. Type 4.6 4.7 1.5 2.2 0 2.4 4.2 0.4 4.5 Max. 5.5 2.5 1.0 VDD 0.6 Unit V V mA A V V V V V XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 AC Characteristics Read Cycle (VDD=5.0V+10%,VSS=OV, Ta=25 ) Parameter Symbol Test pin Enable cycle time tc E Enable pulse width tw E Enable rise/fall time tr, tf E RS,R/W setup time tsu RS; R/W RS.R/W address hold time th RS; R/W Read data output delay tD DB0-DB7 Read data hold time tDH DB0-DB7 Min. 500 300 100 10 60 20 Type Max. Unit 25 ns 190 Write Cycle Parameter Enable cycle time Enable pulse width Enable rise/fall time RS,R/W setup time RS,R/W address hold time Data setup time Data hold time Symbol tc tw tr,tf tsu1 th1 t su2 t h2 Test pin E E E RS; R/W RS; R/W DB0-DB7 DB0-DB7 Min. 500 300 100 10 60 10 Type Max. Unit 25 ns XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 Timing Characteristics XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 Block Diagram VDD-Vo: LCD DRIVING VOLTAGE VR: 10K-20K XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 Display command Parameter Clear Display Cursor home Entry Mode Set RS 0 0 0 R/W DB7 DB6 0 0 0 0 0 0 0 0 0 DB5 DB4 0 0 0 0 0 0 DB3 DB2 0 0 0 0 0 1 DB1 DB0 0 1 1/D 1 * S DB1=1:Increment DB1=0:Decrement DB0=1:The display is shifted DB0=0:The display is not shifted DB2=1:Display on DB2=0: Display off DB1=1:Cursor on DB1=0: Cursor off DB0=1:Brinking on DB0=0:Brinking off DB3=1:Shifts display one character DB2=1:Right shift DB2=0:Left shift DB4=1:8 bits DB4=0:4 bits DB3=1:2 lines display (1/16 duty) DB3=0:1 line display DB2=1:5 10 dots , 1/11 duty DB2=1:5 7 dots , 1/8 duty The address length that can be s is 64 et address The address length that can be set is 80 address DB7=1:Busy (instruction not accepted) DB7=0:Ready(for instruction) Note Executing time fosc=250k hz 1.64ms 1.64ms 40 s Display on/off 0 0 0 0 0 0 1 D C B 40 s Cursor / Display Shift 0 0 0 0 0 1 S/C R/L * * 40 s System Set 0 0 0 0 1 DL N F * * 40 s Set CG RAM Address Set DD RAM Address Read Busy Flag/Address Counter Write Data Read Data 0 0 0 0 0 1 0 1 BF CG RAM address corresponds to cursor address DD RAM address Address counter used for both DD&CG RAM address 1 40 s 40 s 40 s 1 1 0 1 Write data Read data 46 s 46 s DD RAM Address: 1 Address for line 1 Address for line 2 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 00 01 02 03 04 05 06 07 08 09 1A 1B 1C 1D 1E 1F 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F Reliability and Life Time XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 1.Reliability Test Storage Condition Content Operation at high temperature and humidity High temperature storage Low temperature storage Current consumption 40 ,90% Twice initial RH,240hrs value or less Twice initial value or less Twice initial value or less Evaluations and Assessment* Oozing Contrast none none More than 80% of initial value More than 80% of initial value More than 80% of initial value Other appearances No abnormality No abnormality No abnormality 60 , 240hrs -20 , 240hrs *Evaluations and assessment to be made two hours after returning to room temperature (25 5 ). *The LCDs subjected to the test must not have dew condensation. 2. Liquid crystal panel service life 50,000 hours minimum at 25 10 ,45 20%RH. XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 Standard Character Pattern Note: The user can specify any pattern for character-generator RAM. XIAMEN OCULAR OPTICS CO.,LTD. SOUTH 5/F, GUANGXIA BUILING, TORCH HIGH-TECH DEVELOPMENT AREA, XIAMEN 361006. P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695 |
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