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LH2040-1 Dataheets PDF



Part Number LH2040-1
Manufacturers TECHSTAR ELECTRONICS
Logo TECHSTAR ELECTRONICS
Description LCD Module
Datasheet LH2040-1 DatasheetLH2040-1 Datasheet (PDF)

Specification For LCD Module LH2040-1 LH2040-1 LCD Module Specification Ver1.0 Total 6 pages 1 LH2040-1 Character Dot Matrix LCD Module „FEATURES y Display Mode: TN, Positive (STN also available) y Display Formate: 20 Characters x 4 Lines y Input Data: 4-Bits or 8-Bits interface available y Display Font : 5 x 8 Dots` y Power Supply : Single Power Supply (5V 5%) y Driving Scheme : 1/16Duty,1/5Bias „ABSOLUTE MAXIMUM Item Symbol Power Supply for Logic Vdd-Vss Power supply for LCD Drive Vdd.

  LH2040-1   LH2040-1



Document
Specification For LCD Module LH2040-1 LH2040-1 LCD Module Specification Ver1.0 Total 6 pages 1 LH2040-1 Character Dot Matrix LCD Module „FEATURES y Display Mode: TN, Positive (STN also available) y Display Formate: 20 Characters x 4 Lines y Input Data: 4-Bits or 8-Bits interface available y Display Font : 5 x 8 Dots` y Power Supply : Single Power Supply (5V 5%) y Driving Scheme : 1/16Duty,1/5Bias „ABSOLUTE MAXIMUM Item Symbol Power Supply for Logic Vdd-Vss Power supply for LCD Drive Vdd-Vo Input Voltage Vi Operating Temperature Ta Storage Temperature Tstg Min. 0 0 Vss -10 -20 Max. +7.0 13.5 Vdd +60 +70 Unit V V V „ELECTRICAL CHARACTERISTICS (Ta=25 ;Vdd=5.0V 5%,otherwise specified) Item Symbol Test Condition Power Supply for Logic Vdd -- Input “high” voltage Vih -- Input “low” voltage Vil -- Output “high” voltage Voh -Ioh=0.2mA Output “low” voltage Vol Iol=1.2mA Power supply current Idd Vdd=5.0v Min. Typ. Max. 4.5 5.0 5.5 2.2 -- Vdd -0.3 -- 0.6 2.4 -- --- -- 0.4 -- 1.0 3.0 Unit V V V V V mA „MECHANICAL PARAMETERS Item Description Frame Dimension 98.0 x 60.0 x 11.0 View Dimension 76.0 x 25.2 Unit mm mm LH2040-1 LCD Module Specification Ver1.0 Total 6 pages 2 „PIN ASSIGNMENT No. Symbol Level 1 Vss -- 2 Vdd -- 3 V0 -- 4 RS H/L 5 R/W H/L 6 E H,H-L 7 DB0 H/L 8 DB1 H/L 9 DB2 H/L 10 DB3 H/L 11 DB4 H/L 12 DB5 H/L 13 DB6 H/L 14 DB7 H/L 15 A 16 K Function 0V +5V for LCD Power Supply Register Select H:Data Input L:Instruction Input H--Read L--Write Enable Signal Data bus used in 8 bit transfer Data bus for both 4 and 8 bit transfer +5V GND „SYSTEM BLOCK DIAGRAM DB7-DB0 E R/W RS V0 Vdd Vss Dot Matrix LCD Controller 16 Com 40 seg 4 LCD PANEL 40 40 40 seg seg seg Segment Segment Segment Driver 4 Driver 4 Driver 40 seg Segment 4 Driver LH2040-1 LCD Module Specification Ver1.0 Total 6 pages 3 „AC characteristics (Vdd=5V 10%,Vss=0V Ta=25 ) Write mode(writing data from Micom to KS0066) Characteristic Symbol Min. Typ. Max. E cycle time Tc 500 -- -- E rise time Tr -- -- 25 E fall time Tf -- -- 25 E pulse width (High,Low) R/W and RS set-up time Tw Tsu1 220 -- -40 -- -- R/W and RS hold time Data set-up time Th1 Tsu2 10 -- -60 -- -- Data hold time Th2 10 -- -- Unit ns ns ns ns ns ns ns ns Test pin E E E E R/W,RS R/W,RS DB0~DB7 DB0~DB7 „Timing Chart LH2040-1 LCD Module Specification Ver1.0 Total 6 pages 4 „CONTROL and DISPLAY COMMAND Command Display Clear RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 LL LLLLLLLH Remark Return Home L L L L L L L L H X cursor move to first digit Entry Mode Set L L L L L L L H I/D SH I/D:set cursor move direction H-Increase L-Decrease SH:Specifies shift of display H-display is shifted L-Display is not shifted Display On/Off L L L L L L H D C B D:Display(H-on,L-off) C:Cursor(H-on,L-off) B:Blinking(H-on,L-off) Shift L L L L L H S/C R/L X X SC:(H-Display shift,L-Cursir move) R/L:(H-Right shift,L-Left shift) Set Function L L L L H DL N F X X DL:(H-8 bits interface,L-4 bits interface) N:(H-2 line display,L-1 line display) F:(H-5 x 10 dots,L-5 x 7 dots) Set CG RAM L L L H CG RAM address CG RAM Data is sent and Address (corresponds to address) received after this setting Set DD RAM L L H DD RAM address DD RAM Data is sent and Address received after this setting Read Busy L H BF Address Counter used for BF:(H-Busy ,L-Ready) Flag & Address Both DD CG RAM address --Reads BF indication internal operating is being performed --reads address counter contents Write Data HL Write Data Write data into DD or CG RAM Read Data HH Read Data Read data from DD or CGRAM LH2040-1 LCD Module Specification Ver1.0 Total 6 pages 5 „ASSEMBLY DIAGRAM TS2040-1 LCD Module Specification Total 6 pages .


TS2040-1 LH2040-1 DNP015


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