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1. tAS tAH t PWEH EB PWEH a a _tDSW tDDR tDHR ER CEH E BO gt 4 DBO DB7 gt lt Jg CR LC YCI tCYCE Item Enable Cycle Time Enable Pules Width High level Enable Rise Fall Time Address Set Up Time RS R W E Address Hole Time Data Set Up Time Data Delay Time Data Hold Time 11 2 Busy flag check timing Symbol Limit Min Limit Max tCYCE 1000 SS m ae PWEH _ tER tEF tAS 3 b Dit bus lag ti 1110 amp a E b W Z Z 1termn te gt er tiol ES Spei aa ek 5 N Busy 2 2 EB oe SV E D L1 I Wr e heck c e lt lag check istru i Write Ri 4 Dit usy cl ek ti Limes V au b rternal ite gt er tion 74 Ps nc No z us we is P di B BT IR M IRS Busy gt ACS m Ni geh oe x qat C DS SS md a EM ig uet Ud BEN e P d Instruction Write Flag check Flag check Imstruction Write Note IR7 IR3 Instruction 7th bit 3rd bit AC3 Address Cou
2. eye End of End of Initialization Initialization Busy flag is checked after instructions are completed If busy flay isn t checked the waiting time between instructions should be longer than execution time of these instructions Display Off Display Clear Entry Mode Set PAGES 602 Serial 13 Instruction Set RIRIDIDIDIDIDID D FUNCTION DESCRIPTION 71615141312 Clear Display Clears entire display and returns the cursor to home position address 0 Return Home x Return the cursor to the home position Also returns the 1 64ms display being shifted to the original position DD RAM contents remain unchanged Entry mode Set cursor move direct and specifies display shift These 40 us set operations are performed during data rite read For S normal operation set S to zero I D 1 increment 0 decrement S 1 accompanies display shift when data is written for normal operation set to zero Display Set ON OFF all display D cursor ON OFF C and 40 us ON OFF blink of cursor position character B D 1 ON display control 0 OFF display C 1 ON cursor 0 OFF cursor B 1 ON blink cursor 0 OFF blink cursor Move the cursor and shift the display without changing 40 us Display DD RAM contents S C 1 Display shift 0 Cursor mE shift move R L 1 shift to right 0 shift to left Function Set the interface data length DL Number of display 40 us Set x lines N and ch
3. of write to the DD CG RAM display is not shifted Write data to CG DD Write S Cursor incremented by one and shift to RAM 1 01111 right same as 8 bit operation PAGE7 HJ1602A Serial 16 Reliability Condition TN Type Normal Temp Viewing Angle Operating Temperatur Storage Temperature 70 C 90 C 65 C 75 Low Temperature Power Off 240 Hours 20 C 35 C 15 25 70 C 80 C 60 C 70 C 10 C 25 C 10 C 20 C High Temperature amp High 55 C 90 RH 75 C 90 RH 45 C 90 RH 65C 00 RH Humidity 240 Hours 240 Hours 240 Hours Thermal Shock syle s Expected Lift Wide temp version may not available for some products Please consult our sales engineer or respresentative 17 Functional Test amp Inspection Criteria 17 1 Sample plan Sample plan according to MIL STD 105D level 2 and acceptance reJection criteria is Base on Major defect AQL 0 65 Minor defect AQL 2 5 17 2 Inspection condition Viewing distance for cosmetic inspection is 30cm with bare eyes and under an environment of 800 lus 20W light intensity All direction for inspecting the sample should be within 45 against perpendicular line 17 3 Definition of Inspection Zone in LCD Zone Character Digit area Zone Viewing area except Zone A Zone A Zone B minimum Viewing area Zone C Outside viewing area invisible area after assembly in customer s product Note As a
4. the DD CG RAM Display is not shifted Write data to S Cursor incremented by one and shift to right CG DD RAM Write data to E and CG DD RAM Set DD RAM SDEC Set RAM address so that the cursor is propositioned at the head of the second line Write data to om Write C and R CG DD RAM Cursor or E Shift only the cursor position to the left display shift cane Write data to Write O LTD CG DD RAM Ue ULM INIM M iind Set CO _ Write data to n sss s ms Write x Cursor incremented by one and shift to CG DD RAM 1 111111 O LTD x right The aL move to left Write data to i Write other characters CG DD RAM Return Home 1 SDEC Return both display and cursor to the original position CO LTD Set address to zero 15 2 4 bit operation 4 bit 1 line DINE power on delay _________ No display appears _________ Function set Sets to 4 bit In this case operation is 1 handled as 8 bits by initialization and only this instruction completes with one write Function set Sets 4 bit operation and selects 1 line display and 5x7 0 dot character font on and resetting is needed X number of display lines and character fonts cannot be changed hence after Exe rrr meme mm Control 1 111 Entry Mode Set 0 0 Set mode to incremented the address by one and to 1 1 shift the cursor to the right at the time
5. 5 56 H CHARACTER PITCH 3 55 W X 5 94 H DOT SIZE 0 56 W X 0 60 H DOT PITCH 0 60 W X 0 70 H EL Use Inverter Type Inverter Input Inverter Output Backlight Half Lift Time E Mode LED Backlight Color Backlight Input Backlight Half Lift Time 3 Interface Pin Connections 4 Black Diagram NO 9 10 n 15 A EL A EL Backlight D 16 K EL2 KKELBacklig2 PAGE2 HJ1602A Serial 1 BR 02 5 Absolute Maximum Ratings ITEM SYMBOL TYPE UNIT OPERATING TEMPERATURE 0 20 50 70 IN INPUT VOLAGE SUPPLY VOLTAGE FOR LOGIC 33 v SUPPLY VOLTAGE FOR LCD l _ a i STATIC ELECTRICITY Be sure that you are grounded when handing LCM i STORAGE TEMPERATURE 10 30 60 80 po V 6 Electrical Characteristics ITEM SUPPLY VOLTAGE FOR LOGIC Ta 0 20 SUPPLY VOLTAGE FOR LCD Ta 25 C INPUT HIGH VOLTAGE INPUT LOW VOLTAGE OUTPUT HIGH VOLTAGE OUTPUT LOW VOLTAGE SUPPLY CURRENT 7 Optical Characteristics ITEM VIEW ANGLE V ce VIEW ANGLE H CONTRAST RATIO RESPONSE TIME RESPONSE TIME 8 Optical Definitions Response Time Contrast Ration View Angle 7 LYE rightness curve on N nonselected Y back E Wi segmen lecled lected Condition
6. Ovation Electronics Corporation Limited gt a n Add Huafeng No 1 Industrial Park Xixiang Bao an Dist Shenzhe China TOUT EXPE SHOR Tel 86 755 27872321 Fax 86 755 29680761 http www chinaovation com DOT MATRIX LIQUID CRYSTAL DISPLAY MODULE HJ1602A Serial USER MANUAL PROPOSED BY APPROVED m ue E uL decus 11 12 13 14 15 16 17 18 CONTENTS Mechanical Specification Mechanical Diagram Interface Pin Connections Block Diagram Absolute Maximum Rating Electrical Characteristics Optical Characteristics Optical Definitions Display Address Interface to MPU 10 1 Interface to Z 80 CPU 10 2 Interface to MC6800 CPU 10 3 Interface to 4 bit CPU HMCS43C 10 4 Interface to HD6805 MP Timing Control 11 1 Write and Read Operation 11 2 Busy flag check timing Initialization of LCM Instruction Set User Font Patterns Software Example 15 1 8 bit operation 8 bits 2 lines 15 2 4 bit operation 4 bits 2 lines Reliability Condition Function Test amp Inspection Criteria Character Generator ROM Map PAGEI HJ1602A Serial PAGE oo O N N AA Un T A A A A A A UU CU UU WwW C KY KY WK 1 Mechanical Specification ITEM UNIT NUMBER OF CHARACTERS CHARACTER FORMAT MODULE DIMENSION 80 0 W X36 0 M X 13 000 VIEWING DISPLAY AREA 64 5 W 14 5 ACTIVE DISPLAY AREA 56 20 W X 11 50 CHARACTER SIZE 2 96 W X
7. Selected lition N Conditio m N 14 x X right Brightness curve b N E S n selected segment N 10 Set point Driving Voltage lt N Brightness of nonselected segment B2 P Y PEE GEN PEE Contrast Ration K Y front Rise Time Fall Time Brightness of selected segment 81 9 Display Address 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 00 01 02 03 04 05 06 07 08 09 40 41 42 43 44 45 46 47 48 49 4 48 A4D 4F Lud opus se ee j E l T P 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 PAGE3 HJ1602A Serial 10 Interface to MPU 10 1 Interface to Z 80 CPU 10 2 Interface to MC6800 CPU ise RS IVA AND 1 MUX Q aes D R Z80 ABL NAND LCM P IRQ EH R W R W NOR RZ DO D7 DO DT7T DO 07 gt 57 10 3 Interface to 4 bit CPU HMCS43C 10 4 Interface to HD6805 MP 215 RS D14 R W C1 XS FHMCS43C LCM LCM D1 E c2 R W R10 R13 DB4 DB7 A Ned DB 11 Timing Control 11 1 Write and Read Operation Write Operation Read Operation
8. aracter font F DL 1 8 bits 0 4 bits 1 2 lines 0 1 lines F 1 5x10 dots 0 5x7 dots eee P om address received after this setting Me address received after this setting Read busy bh Reads Busy Flag BF indicating internal operation is flag amp being performed and reads address counter contents address BF 1 internally operating 0 can accept instruction EE aca CG DDRAM CG DDRAM 14 User Font Patterns CG RAM Character Character Code DD RAM data RAM Address 7 Character Pattern CG RAM data Hi 76543210 Lo 543 210 Hi 765 4 3 2 1 Lo Cursor or 0000 000 0000x001 Or RRR OO gt gt gt gt Or RP O O O O OO Orr OVO O O O OO O OO O O gt O OC OO 0000x111 PAGE6 HJ1602A Serial 15 Software Example 15 1 8 bit operation 8 bits 2 lines me WENN 2 1 Power on delay Initialization No display appears gt W Sets to 8 bit operation and selects 2 line display and 5x7 Function set dots character font Note number of display lines and character fonts cannot be chang after this Display OFF si a Turn off display Display ON NINE TEP Turn on display and cursor Entry Mode Set mode to increment the address by one and to shift the Set cursor to the right at the time of write to
9. ble or dent on Glass Polarizer Reflector Bubble between Polarizer amp Reflector Glass Size mm LA B Recep able 9 602 Serial 18 Character Generator ROM Map CHARACTER PATTERN CHART 5x7 DOTS CURSOR et 0000 ono oroo onto oi iro ori Lower 4 bit 0000 0010 0011 0100 0101 0110 0111 1010 1011 1100 1101 1110 1111 0 sow vow ol BRB A e ee se EOL ua TEE oo ooo D Tat IF Ps vom o aE Mes de sn REF Lt MAM ap vow rinm Tx qm o EH S AAL Y Laa T e saw e Wi 1 somn RL K xx SO AtA xx o TS ta eS ola AIM n scout oF irem PAGE10 HJ1602A Serial
10. general rule visual defects in Zone C are permissible when it is no trouble for quality and assembly of customer s product 17 4 Major Defect All functional defects such as open or missing segment short contrast differential excess power consumption smearing leakage etc and overall outline dimension beyond the drawing Are classified as major defects PAGES HJ1602A Serial 17 5 Minor Defect Except the Major defects above all cosmetic defects are classified as minor defects Item to be Inspected Inspection Standard Classification of defects Spot defect Zone size mm Aso Minor Defects in spot from lt 0 15 clutering of spot ble not allowed 020202025 9 1 ows o 9 Remarks for dark white spot size 15 defined as 1 2 2 Line defect Acceptable Qty Minor Defects in line form To a C W lt 0 02 Accep Accep LANGUE ae wsan 125 00sw 005 0 W gt 0 05 Counted as spot defect Follows item 17 5 1 Remarks The total of spot defect and line defect shall not exceed four 3 Orientation defect Not allowed inside viewing area Zone A or Zone Minor such as B misalignment of L C Polarizing 17 5 4 Polarizer Position Minor 1 Shifting in Position Should not exceed the glass outline dimension 2 Incomplete covering of the viewing area due to Shifting is not allowed 17 5 4 2 Seratches bub
11. nter 3rd bit PAGE4 602 Serial 12 Initialization of LCM The LCM automatically initializes reset when power is turned on using the internal reset circuit If the power supply conditions for correctly operating of the internal reset circuit are not met initialization by instruction is required Use the procedure is next page for initialization Internal Power Supply reset E lt trec Note 1 10 ms 0 1 ms toff 1 ms Note 2 toff stipulates the time of power OFF for momentary power supply dip or when power supply cycles ON and OFF Item Symbol Test condition Limit Min Limit Max Unit Power supply rise time _ 01 0 m Power supply off time 1 8 Bit Interface 2 4 Bit Interface L Wait 15 ms or more after reaches 4 5V Wait 15 ms or more after Vpp reaches 4 5V Busy flag can t be checked Function set 8 bits Like ee eee l l 5 8 od 1 Wait 4 1 ms or more Wait 4 1 ms or more Busy flag can t be checked Function set 8 bits RS E W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DBO RS RW DB7 DB6 DB5 DB4 0 0 0 0 1 1 N 0 0 0 0 1 1 Wait 100 us or more Wait 100 us or more Busy flag can t be checked before this instruction Function set 8 bits mmm oce ES pp oed RS 0 1 1 Function set 8 bits fol lal Ead a d PD epee eee ee ECE ey

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