USER' MANUAL
Contents
1. SC Sa IIT ES eo EDIT ICE s poe o Gs p GF MF VST sae ps gratie T xa DE EIER EE ps o 2 1 pow KILK TCI pow ois SILL ern e slaka a peo A SO PAGE 10 5 4 20 01 Serial SDEC TECHNOLOGY CORP 10F No 100 Shing De Rd San Chung City 241 Taipei Hsien Taiwan R O C 2 poled en EMAIL sdec amp 405 ms6 ee com tw2. 240 Hours 240 Hours 240 Hours 10 25 10 20 C Humidity 240 Hours 240 Hours 240 Hours 240 Hours min 20 Smin 25C 60min 70C 60min 90C 60min 70 C 60min 80 C Expected Lift 50 000 Hours 50 000 Hours 50 000 Hours 50 000 Hours Wide temp version may not available for some products Please consult our sales engineer or respresentative pal gt 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 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 minimum Viewing area Zone Outside viewing area invisible area after assembly in customer s product Note As a 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 functional defects such as open missing segment short contrast differential excess power consumption smearing leakage etc and overall outline dimension beyond the drawing Are classified as major defects PAGE 8
3. LMC BSC4A20 01 Serial 17 5 Minor Defect Except Major defects above all cosmetic defects are classified as minor defects Item No Item to be Inspected Inspection Standard Classification of detects Spot defect Zone size mm E Defects in spot from 0 15 clutering of spot ble not allowed oissosom 1 2 020202025 9 1 5 9 9 Remarks Dm dark white EE size D is defined as EE Line defect Acceptable Qiy Qty Defects in line Zoe p wian lt 0 02 1525 o 1525 009005005 0 W gt 0 05 Counted as spot defect Follows item 17 5 1 shall not exceed four Orientation defect Not allowed inside viewing area Zone A or Zone such as misalignment of L C 4 Polarizing 17 5 4 1 Polarizer Position 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 bubble or dent on Glass Polarizer Reflector Bubble between Polarizer amp Reflector Glass Size mm oa c table o PAGE 9 LMC BSC4A20 01 Serial 18 Character Generator ROM Map CHARACTER PATTERN CHART 5x7 DOTS CURSOR Higher 4 bit Lower 4 bit 0000 0010 0011 0100 0101 0110 0111 1010 101111100 1101 1110 1111 eser E EI jo So RB
4. Vpp rises to 0 9Vpp Wait more than 15ms after Vpp rises to 0 9Vpp v Function Set Function Set RS R W DB7 DB6 5 DB4 DB3 DB2 DBO RS R W DB7 DB6 085 184 0 0 0 0 1 1 j 0 0 0 0 1 1 v Wait more than 4 1 ms Wait more than 4 1 ms v Function Set Function Set RS R W DB7 DB6 DB5 DB4 DB3 DB2 DBO RS R W DB7 DB6 085 184 0 0 0 0 1 1 0 0 0 0 1 1 v Wait more than 100 us Wait more than 100 15 i v Function Set Function Set RS RW DB7 DB6 DB5 DB4 DB3 DB2 DBO RS R W DB7 DB6 085 184 0 0 0 0 1 1 0 0 0 0 1 1 v Wait more than 100 Busy Flag Check Wait more than 100 us or Busy Flag Check v Function Set Function Set RS R W DB7 DB6 DB5 DB4 DB3 DB2 DBO RS R W DB7 DB6 085 184 0 0 0 0 1 1 N F SS 0 0 0 0 1 1 v Display Off Function Set RS R W DB7 DB6 DB5 DB4 DB3 DB2 DBO RS R W DB7 DB6 DB5 DB4 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 J 0 0 N F Display Clear Y RS R W DB7 DB6 DB5 DB4 DB3 DB2 DBO Display Off 0 0 0 0 0 0 0 0 0 1 RS R W DB7 DB6 1085 1084 0 0 0 0 0 0 Entry Mode Set 0 0 1 0 0 0 RS R W DB7 DB6 DB5 DB4 DB3 DB2 DBO 0 0 0 0 0 0 0 1 I D 5 Display Clear RS R W DB7 DB6 1085 284 Write data to DD CG RAM and set the Instruction 0 0 0 0 0 0 0 0 0 0 0 1 v Entry Mode Set RS R W DB7 DB6 DB5 DB4 0 0 0 0 0 0 0 0 0 1 1 2 5 v Write data to the DD
5. CG RAM and set the Instruction PAGE 5 LMC BSC4A20 01 Serial 13 Instruction Set D FUNCTION S DESCRIPTION 716151413 2 0 7 entire display and returns cursor to home position address 0 Return Home 1 x Return the cursor to the home position Also returns the 1 64115 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 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 set Set ON OFF all display D cursor ON OFF C and 40 us blink of cursor position character B D 1 ON display 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 DD RAM contents S C 1 Display shift 0 Cursor 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 1 D N X N and character font DL 1 8 bits 0 4 bits L N 1 2 lines 0 1 lines F 1 5x10 dots 0 5x7 dots Ls TIET H Se EN address received after this setting 00 address received after this setting Read busy Reads Busy Flag BF indicating i
6. DOT MATRIX LIQUID CRYSTAL DISPLAY MODULE LMC BSC4A20 01 Serial USER MANUAL ILMC BSC4A20DLGY E01 ILMC BSC4A20DLYY E01 PROPOSED BY APPROVED Approved SDEC TECHNOLOGY CORP 8 he E 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 PAGE 1 LMC BSC4A20 01 Serial PAGE PA NINN AA wn bb BR BR A A A A PB UU r2 NY NY Em 1 Mechanical Specification ITEM STANDARD VALUE NUMBER OF CHARACTERS 20 CHARACTERS X 4 LINES CHARACTERFORMAT 5X8DOTS SO WX 2E VIEWING DISPLAY AREA 125 00 W X 42 50 H ACTIVE DISPLAY AREA 118 84 W X 38 47 H mm CHARACTER SIZE 4 84 W X 9 22 H 6 00 W X 9 75 H mm X LIS mr DOT PITCH 0 98 W X 1 16 H LMC BSC4A20DL
7. GY E01 STN Gray 1 16 Duty 6 O clock LED Backlight LMC BSC4A20DLYY E01 SIN Yellow Green 1 16 Dut 6 o clock LED Backlight Yellow Green Backlight Input DC 5 0 Backlight Half Lift Time 30 000 2 Mechanical Diagram 3 Interface Pin Connections 4 Black Diagram amon 6 E TH Enable signal Ls Data Bit o DE Hi 2 baa bita 2 Des Hi DaaBis pee Hi Data Bits sf osr 06 Daab PAGE 2 LMC BSC4A20 01 Serial 5 Absolute Maximum Ratings ITEM SYMBOL TYPE UNE OPERATING TEMPERATURE TO 020 50 70 STORAGE TEMPERATURE 10 30 60 80 ES DD SUPPLY VOLTAGE FOR LOGIC 00055 50 65 V SUPPLY VOLTAGEFORLCD VDDbVO 65 V STATICELECTRICITY sure that you are grounded when handing LCM 6 Electrical Characteristics ITEM PA Ex 0 20 SUPPLY VOLTAGE FOR LCD VDD VO Ta 25 C 50 70 INPUT HIGH VOLTAGE INPUT LOW VOLTAGE OUTPUT HIGH VOLTAGE OUTPUTLOW VOLTAGE VOL suPPYCURRENT m m amp 7 Optical Characteristics o z o 4 se VWEWANGLEH o 3 se CON
8. TRASTRATIO CR 5 RESPONETIME TON 180 230 RESPONSE TIME 100 150 m 8 Optical Definitions Response Time Contrast Ration View Angle Brightness of non cted segment B2 Contrast Ration K Brightness of selected segment B1 Y front 9 Display Address 1 2 3 4 5 67 8 9 10 11 12 13 14 I5 16 17 18 19 20 Linel 80 81 82 83 84 85 86 87 88 89 8A 8B 8C SD SE 90 91 92 93 Line2 Co CI C2 C3 C4 C5 Co C7 C9 CB CF DO DI D2 D3 Line3 94 95 96 97 98 99 9A 9B 9C 9E 9P AO Al A2 A4 AS a7 Line4 D5 06 D7 Ds D9 DA DB DC DD DE DF EO EI E4 E5 Bo E7 12122 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Lun ESSE mang j TT PAGE 3 LMC BSC4A20 01 Serial 10 Interface to MPU 10 1 Interface to Z 80 CPU 10 2 Interface to MC6800 CPU 11 Timing Control 11 1 Write and Read Operation Write Operation Read Operation rae Cycle Time C Enab Pales Width High Tevet Pwen 458 EmablRieFalTime s J ns
9. nternal operation is 1 us flag amp 1 being performed and reads address counter contents address F BF 1 internally operating 0 can accept instruction CG DDRAM CG DDRAM 14 User Font Patterns CG RAM Character Character Code DD RAM data 6 CG RAM Address Character Pattern CG RAM data Hi 76549210 10 543 210 es 4321 Display ON OFF control Cursor or Display Tj D B 1 I D 0000x000 000 0000x001 0000 111 PAGE 6 LMC BSC4A20 01 Serial 15 Software Example 15 1 8 bit operation 8 bits 2 lines BN dnd 2 1 Power ondelay initialization No Initialization No display appears appears 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 kk Turn off display Display ON Turn on display and cursor Entry Mode Set mode to increment the address by one and to shift the Set 11 cursor to the right at time of write to the DD CG RAM Display is not shifted ee Write S Cursor incremented by one and shift to right CG DD RAM 1 1 11010 SDEC_ Write D E and 0 1 11 ee tre eessen at the head of the second line Write data to rae Write and CG DD RAM Cursor or X x SDEG Shift only the cursor position to the left display shift CR Write da
10. o Address Set Up Time s woo so Aires De De Pata Set Up Time ow m Data Delay Time ww w n ata Hota Time 2 ts 1 11 2 Busy flag check timing Note IR7 IR3 Instruction 7th bit 3rd bit AC3 Address Counter 3rd bit PAGE 4 LMC BSC4A20 01 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 trec gt Note 1 10ms 000 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 Symbol Test condition Limit Min Limit Max Powersupplyrisetime ve lt 1 1 8 bit interface b 4 bit interface Power ON Power ON v Wait more than 15ms after
11. ta to SDEC Write O LTD CG DD RAM CO LTD _ EP Wen palT Em saei Set CO LTD SE Write x Cursor incremented by one and shift to CG DD RAM O LTD x right The display move to left Write data to Write other characters CG DD RAM Return Home SDEC Return both display and cursor to the original position CO LTD Set address to zero 15 2 4 bit 4 bit 1 line BN power on power on delay 4 initialization No display appears Sets to 4 bit operation In this case operation is handled as 8 bits by initialization and only this instruction completes with one write Sets 4 bit operation and selects 1 line display and 5x7 dot character font on and resetting is needed number of display lines and character fonts cannot be changed hence after ee Entry Mode Set i 1 Set mode to incremented the address by one and to shift the cursor to the right at the time of write to the DD CG RAM display is not shifted tooo Write S Cursor incremented by one and shift to RAM 1 0 1 1 ight Cd same as 8 bit operation PAGE 7 LMC BSC4A20 01 Serial 16 Reliability Condition STN Type Normal Temp Viewing 50 40 010300 200700 High Temperature Power Off 240 Hours 240 Hours 240 Hours 240 Hours Low Temperature Power Off 240 Hours 240 Hours 240 Hours 240 Hours High Temperature Power On 240 Hours
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