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Display Elektronik GmbH LCD MODULE DEM 16216 SYH-PY Product specification Version: 4 09.04.2003 GENERAL SPECIFICATION MODULE N0. : DEM 16216 SYH-PY CUSTOMER P / N VERSION NO. 0 1 2 3 4 CHANGE DESCRIPTION ORIGINAL VERSION CHANGE AS KS0070B CHANGE LCD AND BACKLIGHT ADD VERSION ADD MODEL DATE 2001/01/16 2001/01/18 2001/01/31 2002/10/14 2002/11/15 PREPARED BY: ZXD DATE: 15.11.2002 APPROVED BY: MH DATE: 09.04.2003 DEM 16216 SYH-PY Product specification CONTENTS 2 1. FUNCTIONS & FEATURES ------------------------------------------------------------------2 3. BLOCK DIAGRAM ------------------------------------------------------------------------------3 4. EXTERNAL DIMENSIONS -------------------------------------------------------------------3 5. PIN ASSIGNMENT ----------------------------------------------------------------------------4 6.1 PCB DRAWING AND DESCRIPTION-----------------------------------------------------5 6.2 EXAMPLE APPLICATION ------------------------------------------------------------------------- 2 2. MECHANICAL SPECIFICATIONS ------------------------------------------------------------------------------ 5 6.3 THE MODULE NO. IS PRINTED ON THE PCB ------------------------------------------------------------6 8. DISPLAY DATA RAM (DDRAM) --------------------------------------------------------------------------9. INSTRUCTION DESCRIPTION--------------------------------------------------------------- 7 11 10. INTERFACE WITH MPU IN BUS MODE--------------------------------------------------------1). Interface with 8-bit MPU ---------------------------------------------------------------------------------------------------------------11 2). Interface with 4-bit MPU ---------------------------------------------------------------------------------------------------------------11 6 7. BACKLIGHT VOLTAGE & CURRENT------------------------------------------------------------------------- 12 11. INITIALIZING BY INSTRUCTION --------------------------------------------------------------------------1). 8-bit interface mode ---------------------------------------------------------------------------------------------------------------12 2). 4-bit interface mode ---------------------------------------------------------------------------------------------------------------13 14 12. MAXIMUM ABSOLUTE POWER RATINGS----------------------------------------------------------14 13. ELECTRICAL CHARACTERISTICS -------------------------------------------------------- 14 13-1 DC CHARACTERISTICS------------------------------------------------------------------------------------------ 16 13-2-1 AC CHARACTERISTICS---------------------------------------------------------------------------------------- 17 13-2-2 WRITE MODE--------------------------------------------------------------------------------------------------- 17 13-2-3 READ MODE---------------------------------------------------------------------------------------------------1 15. FRAME FREQUENCY-------------------------------------------------------------------------- 9 20 16. LCD MODULES HANDLING PRECAUTIONS----------------------------------------------21 17. OTHERS --------------------------------------------------------------------------------------------------- 18 14. STANDARD CHARACTER PATTERN ------------------------------------------------------------------------- VERSION : 4 1 DEM 16216 SYH-PY Product specification 1. FUNCTIONS & FEATURES DEM 16216-SERIES type: MODULE DEM 16216 SYH-PY Viewing Direction Driving Scheme Power Supply Voltage VLCD Adjustable for Best Contrast Backlight Display Format Internal Memory LCD-TYPE STN Yellow/Green LCD TYPE Transflective Positive Mode Interface : 6 O'clock : 1/16 Duty Cycle, 1/5 Bias : 2.7V to 5.5V (typ. 5V) : 4.5V (typ.) : Yellow/Green (lightpipe/lightguide) : 16 x 2 Characters ( 5 x 8 dots, Format : 192 Kinds) : CGROM ( 8,320 bits ) : CGRAM ( 64 x 8 bits ) : DDRAM ( 80 x 8 bits for Digits ) : Easy Interface with a 4 - bit or 8 - bit MPU 2. MECHANICAL SPECIFICATIONS Character Pitch Character Size Character Font Dot Size Dot Pitch : 3.55(w) x 5.95(h) mm : 2.95(w) x 5.55(h) mm : 5 x 8 dots : 0.55(w) x 0.65(h) mm : 0.60(w) x 0.70(h) mm 3. BLOCK Diagram DB0~DB7 E R/W RS V0 VDD VSS A K LCD controller LSI KS0070B-00 COM1~COM16 LCD PANEL 2line*16characters SEG1~SEG80 BACKLIGHT Figure 1.0 VERSION: 4 2 DEM 16216 SYH-PY 4. External Dimensions Product specification Figure 2.0 5. PIN Assignment Pin No. 1 2 3 4 Symbol VSS VDD V0 RS Function Ground terminal of module Supply terminal of module 2.7 to 5.5 V Power Supply for Liquid crystal Drive Register Select RS = 0... Instruction Register RS = 1... Data Register Read / Write R/W = 1 (Read) R/W = 0 (Write) Enable Bi-directional Data Bus, Data Transfer is performed once , thru DB0~DB7 , in the case of interface data . Length is 8-bits; and twice , thru DB4~DB7 in the case of interface data length is 4-bits . Upper four bits first then lower four bits . 5 R/W 6 7 8 9 10 11 12 13 14 15 16 VERSION : 4 E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LED - ( K ) LED + ( A ) Please also refer to 6.1 PCB drawing and description . Please also refer to 6.1 PCB drawing and description . 3 DEM 16216 SYH-PY Product specification 6.1 PCB DRAWING AND DESCRIPTION Figure 3.0 Description : 6-1-1.The polarity of the pin 15 and the pin 16 Symbol Symbol J3,J5 J2,J4 LED Polarity 15 Pin Anode 16 Pin Cathode Anode State Each Solder- Bridge Each Open Each Solder- Bridge J2,J4 J3,J5 Each Open Cathode 6-1-2. The metal-bezel should be on gronud when the J1 is Solder- Bridge . 6-1-3. The LED Resistor should be bridged when the J6 is Solder-Bridge . 6-1-4. The R7 is the LED Resistor. (R7=24 Ohm) VERSION : 4 4 DEM 16216 SYH-PY Product specification 6.2 Example application 6-2-1 The LED resistor should be bridged as following . R7 J6 6-2-2 The 15 pin is the Anode and the 16 pin is the cathode as following . J4 J5 J2 J3 6-2-3 The 15 pin is the cathode and the 16 pin is the Anode as following . J4 J5 J2 J3 6-2-4 The metal-bezel is on ground as following . J1 6.3 The module No. Is printed on the PCB . Figure 4.0 VERSION : 4 5 DEM 16102 SYH-PY Product specification 7. BACKLIGHT &SWITCH (Ta = -25 ~ +75C) Item Backlight Voltage Backlight Current Symbol V I Standard Value 5 ~33 Unit Applicable Terminal V LED+ / LEDmA A A K Figure 5.0 K 8. DISPLAY DATA RAM ( DDRAM ) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DISPLAY POSITION DDRAM ADDRESS 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F VERSION: 4 6 DEM 16216 SYH-PY Product specification 9. INSTRUCTION DESCRIPTION (IE = "LOW" ) 9. INSTRUCTION DESCRIPTION Outline To overcome the speed difference between the internal clock of KS0070B and the MPU clock, KS0070B performs internal operations by storing control information to IR or DR. The internal operation is determined according to the signal from MPU, composed of read/write and data bus (Refer to Table 5 ). Instruction can be divided largely into four kinds . (1) KS0070B function set instructions ( set display methods, set data length, etc. ) (2) address set instruction to internal RAM (3) data transfer instructions with internal ram (4) others . The address of the internal RAM is automatically increased or decreased by 1 . *NOTE : During internal operation, Busy Flag (DB7) is read "1". Busy Flag check must be preceded by the next instruction . When you make an MPU program with checking the Busy Flag (DB7), it must be necessary 1/2 Fosc for executing the next instruction by falling E signal after the Busy Flag (DB7) goes to "0" . Contents 1) Clear Display RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 0 0 0 1 Clear all the display data by writing "20H" (space code) to all DRAM addresses, and set the DRAM addresses to "00H" in the AC (address counter). Return cursor to original status, namely, bring the cursor to the left edge on first line of the display . Make entry mode increment (I/D = "1" ) . 2) Return Home RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 0 0 1 x Return Home is the cursor return home instruction . Set DRAM address to "00H" in the address counter. Return cursor to its original site and return display to its original status, if shifted, Contents of DDRAM does not change . 3) Entry Mode Set RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 0 1 I/D SH Set the moving direction of cursor and display . I/D : Increment/decrement of DDRAM address (cursor or blink ) When I/D = "1" , cursor/blink moves to right and DDRAM address is increased by 1. When I/D = "0" , cursor/blink moves to left and DDRAM address is increased by 1. *CGRAM operates the same as DDRAM , when reading from or writing to CGRAM . SH: Shift of entire display When DDRAM is in read (CGRAM read/write) operation or SH = "0" , shift of entire display is not performed . If SH = "1" and in DDRAM write operation, shift of entire display is performed according to I/D value (I/D = "1" : shift left, I/D = "0" : shift right ). VERSION : 4 7 DEM 16216 SYH-PY Product specification 9. INSTRUCTION DESCRIPTION (IE = "LOW" ) 4).Display ON/OFF CONTROL RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 1 D C B Control display/cursor/blink ON/OFF 1 bit register. D : Display ON/OFF control bit When D = "1" , entire display is turned on . When D = "0" , display is turned off, but display data is remained in DDRAM . C : Cursor ON/OFF control bit When C = "1" , cursor is turned on. When C = "0" , cursor is disappeared in current display, but I/D register remains its data . B : Cursor Blink ON/OFF control bit When B = "1" , cursor blink is on , that performs alternate between all the "1" data and display character at the cursor position. When B = "0" , blink is off. 9. INSTRUCTION DESCRIPTION (IE = "LOW" ) 5).Cursor or Display Shift RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 1 S/C R/L X X Without writing or reading of display data , Shift right/left cursor position or display This instruction is used to correct or search display data . (Refer to Table 4) During 2-line mode display, cursor moves to the 2nd line after 40th digit of 1st line . Note that display shift is performed simultaneously in all the line . When displayed data is shifted repeatedly, each line shifted individually . When displayed shift is performed, the contents of address counter are not changed . Table 4 Shift patterns according to S/C and R/L bits S/C R/L Operation 0 0 Shift cursor to the left, AC is decreased by 1 0 1 Shift cursor to the right, AC is decreased by 2 1 0 Shift all the display to the left, cursor moves according to the display 1 1 Shift all the display to the right, cursor moves according to the display 9. INSTRUCTION DESCRIPTION (IE = "LOW" ) 6).Function Set RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 1 DL N F X X DL : Interface data length control bit When DL = "1" , it means 8-bit bus mode with MPU. When DL = "0" , it means 4-bit bus mode with MPU. So to speak, DL is a signal to select 8-bit or 4-bit bus mode . When 4-bit bus mode, it needs to transfer 4-bit data in two parts . N : Display line number control bit When N = "1" , 2-Line display mode is set . When N = "0" , 1-Line display mode is set . F : Display font type control bit When F = "0" , 5 X 7 dots format display mode . When F = "1" , 5 X 10 dots format display mode . VERSION : 4 8 DEM 16216 SYH-PY 7).Set CGRAM Address RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Product specification 0 0 0 1 AC5 AC4 AC3 AC2 AC1 AC0 Set CGRAM Address to AC . This instruction makes CGRAM data available from MPU. 8).Set DDRAM Address RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 1 AC6 AC5 AC4 AC3 AC2 AC1 AC0 Set DDRAM Address to AC . This instruction makes DDRAM data available from MPU. In 1-line display mode (N=0, NW=0), DDRAM address is from "00H" to "4FH". In 2-line display mode (N=1, NW=0), DDRAM address in the 1st line is from "00H" to "27H",and DDRAM address in the 2nd line is from "40H" to "67H". 9) Read Busy Flag & Address RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 BF AC6 AC5 AC4 AC3 AC2 AC1 AC0 This instruction shows whether KS0070B is in internal operation or not. If the resultant BF is High, the internal operaation is in progress and should wait until BF to become "Low", which by then the next instruction can be performed. In this instruction value of address counter can also be read. 10) Write data to RAM RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 1 0 D7 D6 D5 D4 D3 D2 D1 D0 Write binary 8-bit data to DRAM/CRAM/SEAGRAM. The selection of RAM from DRAM, CRAM or SEAGRAM, is set by the previous address set instruction: DDRAM address set, CGRAM address set, SEGRAM address set, RAM set instruction can also determines the AC direction to RAM. After write operation, the address is automatically increased/decreased by 1, according to the entry mode. 11) Read data from RAM RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 1 1 D7 D6 D5 D4 D3 D2 D1 D0 Read binary 8-bit data to DDRAM/CRAM . The selection of RAM is set by the previous address set instruction. If address set instruction of RAM is not performed before this instruction, the data that read first is invalid, as the direction of AC is not determined. If the RAM data is read several times without RAM address set instruction before read operation, the correct RAM data from the second, but the first data would be incorrect, as there is not time to transfer RAM data. In case of DDRAM read operation, cursor shift instruction plays the same role as DDRAM address set instruction: it also transfer RAM data to output data register. After read operation address counter is automatically increased/decreased by 1 according to the entry mode. After CGRAM read operation, display shift may not be executed correctly. *In case of RAM write operation, AC is increased/decreased by 1 like read operation after this. In this time, AC indicates the next address position, but the previous data can only by read instruction. VERSION : 4 9 DEM 16216 SYH-PY Product specification (CONTINUED) Table 5. Instruction Set Instruction code Execution Instruction RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 time (fosc =270KHz) Description clear Display Return home Entry mode set Display on/ off control Cursor or Display shift Function Set 0 0 0 0 0 0 0 0 0 1 1.53ms Write "20H" to DDRAM. And set DDRAM address to "00H" from AC . Set DDRAM address to "00H" from AC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 D 1 I/D C X X SH B X 1.53ms and return cursor to its original position if shifted. 39us 39us 39us Assign cursor moving direction and enable the shift of entire display Set display (D), cursor (C), and blinking of cursor (B) on/off control bit . Set cursor moving and display shift control bit , and the direction , without changing of DRAM data . Set interface data length (DL : 4-bit/8-bit), S/C R/L 0 0 0 0 0 0 0 0 0 1 1 DL N F X X 39us 39us 39us numbers of display line (N : 1-line/2-line, Display font type (F: 0...) Set CGRAM address in address counter. Set DDRAM address in address counter. Whether during internal operation or not Set CGRAM Address Set DDRAM Address Read Busy flag and Address AC5 AC4 AC3 AC2 AC1 AC0 1 AC6 AC5 AC4 AC3 AC2 AC1 AC0 0 1 BF AC6 AC5 AC4 AC3 AC2 AC1 AC0 0us can be known by reading BF. The contents of address counter can also be read . Write Data to RAM 1 1 0 1 D7 D6 D5 D7 D6 D5 D4 D3 D2 D1 D0 D0 43us 43us Write data into internal RAM ( DDRAM/CGRAM ) Read data into internal RAM ( DDRAM/CGRAM ) Read Data from RAM D4 D3 D2 D1 NOTE : When you make an MPU program with checking the Bus Flag (DB7), it must be necessary 1/2F osc for executing the next instruction by falling E signal after the Busy Flag (DB7) goes to "0" . VERSION : 4 10 DEM 16216 SYH-PY Product specification 10. INTERFACE WITH MPU IN BUS MODE 1). Interface with 8-bit MPU When interface data length are 8-bits , transfer is performed all at once through 8 ports. From DB0 to DB7 . An Example of timing sequence is shown below . RS R/W E internal Singnal DB7 Data internal Operation Busy Busy No Busy Data instruction Busy Flag check Busy Flag check Busy Flag check instruction Figure 6.0. Example of 8-bit bus mode timing Diagram 2) Interface with 4-bits MPU When interfacing data length aref 4-bits , only 4 ports, from DB4 to DB7 , are used as data bus . At first, higher 4-bit (in case of 8-bit bus mode, the contents of DB4~DB7) are transferred, and then the lower 4-bit (in case of 8-bit bus mode, the contents of DB0~DB3) are transferred. So transfer is performed in two parts. Busy Flag outputs"1" after the second transfer are ended. Example of timing sequence is shown below . RS R/W E internal Singnal DB7 internal Operation Busy No Busy instruction Busy Flag check Busy Flag Check instruction VERSION : 4 Figure 7.0 Example of 4-bit bus mode timing Diagram 11 DEM 16216 SYH-PY Product specification 11. INITIALIZING BY INSTRUCTION 11-1 8-bit interface mode Power on Condition : fosc=270kHz Wait for more than 30ms after VDD rises to 4.5v 0 1 0 1 1-line mode 2-line mode 5 x 7 dots 5 x 10 dots RS 0 Function set RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 1 1 N F X X N F Wait for more than 39us D 0 1 0 1 0 1 display off display on cursor off cursor on blink off blink on RS 0 Display on/off control RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 1 D C B C Wait for more than 39us B RS 0 Clear Display RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 0 0 1 Wait for more than 1.53ms I/D Entry mode set RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 1 I/D SH 0 1 decrement mode increment mode RS 0 SH 0 1 entire shift off entire shift on Initialization end VERSION : 4 12 DEM 16216 SYH-PY 11-2 4-bit interface mode Power on Product specification Condition : fosc=270kHz Wait for more than 30ms after VDD rises to 4.5v N 0 1 0 1 1-line mode 2-line mode 5 x 7 dots 5 x 10 dots RS 0 0 0 RW 0 0 0 Function set DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 1 0 X X X X 0 0 1 0 X X X X N F X X X X X X F Wait for more than 39us D 0 1 0 1 0 1 display off display on cursor off cursor on blink off blink on RS 0 0 RW 0 0 Display On/Off Control DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 X X X X 1 D C B X X X X C Wait for more than 39us B RS 0 0 RW 0 0 Clear Display DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 X X X X 0 0 0 1 X X X X Wait for more than 1.53ms Entry mode set RS 0 0 RW 0 0 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 I/D 0 SH X X X X X X X X I/D 0 1 decrement mode increment mode SH Initialization end 0 1 entire shift off entire shift on VERSION : 4 13 DEM 16216 SYH-PY Product specification 12. MAXIMUM ABSOLUTE POWER RATINGS (Ta = 25C) Item Power supply voltage(1) Power supply voltage(2) Input voltage Operating temperature Storage temperature Symbol VDD V0 VIN Topr Tstg Standard value -0.3 ~ +7.0 VDD-15.0 ~ VDD+0.3 -0.3 ~ VDD+0.3 -20 ~ +70 -30 ~ +80 Unit V V V C C 13. Electrical Characteristics 13-1-1. DC Characteristics (VDD = 4.5V ~ 5.5V, Ta = -20 ~ +70C) Characteristic Operating Voltage Symbol VDD IDD1 Supply Current IDD2 Input Voltage(1) (except OSC1) Input Voltage(2) ( OSC1) Standard Value Test MIN TYP MAX Condition 4,5 5,5 0,7 1.0 ceramic resonator fosc = 250kHz Resistor oscillation 0.4 0.6 external clock operation fosc = 270kHz VDD 0,6 VDD 1.0 IOH=-0.205mA Unit V mA VIH1 2.2 VIL1 -0,3 VIH2 VDD-1.0 VIL2 -0.2 VOH1 Output Voltage (1) 2,4 VOL1 (DB0 TO DB7) VOH2 0.9VDD Output Voltage (2) (except DB0 TO DB7) VOL2 VdCOM Voltage Drop VdSEG IIL Input Leakage Current -1 IIN Low Input Current -50 fOSC Internal Clock 190 (external Rf) fEC External Clock LCD Driving Voltage duty tR,tF VLCD 150 45 4.6 V V V V V uA VIN=0V,VDD=5V(pull up) 0,4 0.1VDD 1 1 1 -250 350 350 55 0,2 10.0 IOL=1.2uA IOH=-40uA IOL=40uA IO = 0.1mA VIN=0 V to VDD Rf = 91k 2% (VDD=5V) -125 270 250 50 kHz kHz % us V VDD-V5 (1/5 Bias ) VERSION : 4 14 DEM 16216 SYH-PY ( CONTINUED ) Product specification (VDD = 2.7V ~ 5.5V; Ta = -20 ~ +70C) Characteristic Operating Voltage Symbol VDD IDD1 Supply Current IDD2 Input Voltage(1) (except OSC1) Input Voltage(2) ( OSC1) Output Voltage (1) Standard Value Test MIN TYP MAX Condition 2.7 5,5 0.3 0.5 ceramic resonator fosc = 250kHz Resistor oscillation 0.17 0.3 external clock operation fosc = 270kHz VDD 0.4 VDD 0.2VDD IOH=-0.1mA Unit V mA (DB0 TO DB7) Output Voltage (2) (except DB0 TO DB7) Voltage Drop Input Leakage Current Low Input Current Internal Clock (external Rf) VIH1 0.7VDD VIL1 -0,3 VIH2 0.7VDD VIL2 VOH1 2 VOL1 VOH2 0.8VDD VOL2 VdCOM VdSEG IIL -1 IIN -10 fOSC 190 fEC 125 45 3.0 V V V V V uA VIN=0V,VDD=5V(pull up) 0,4 0.2VDD 1 1,5 1 -120 350 350 55 0,2 10.0 IOL=0.1mA IOH=-40uA IOL=40uA IO = 0.1mA VIN=0 V to VDD Rf = 75k 2% (VDD=3V) -50 250 270 50 kHz kHz % us V External Clock LCD Driving Voltage duty tR,tF VLCD VDD-V5 (1/5 Bias ) VERSION : 4 15 DEM 16216 SYH-PY 13-2-1 AC Characteristics Product specification (VDD = 4.5V ~ 5.5V, Ta = -20 ~ +70C) Mode Item E Cycle Time E Rise/Fall Time Symbol Min Typ Max Unit tC tR,tF tw tsu1 tH1 tsu2 tH2 tC tR,tF tw tsu tH tD tDH 20 220 40 10 120 ns 220 40 10 60 10 500 25 ns 500 25 (1) Write Mode E Pulse Width (High, Low) (refer to Figure 8.0) R/W and RS Setup Time R/W and RS Hold Time Data Setup Time Data Hold Time E Cycle Time E Rise/Fall Time (2) Read Mode E Pulse Width (High, Low) (refer to Figure 9.0) R/W and RS Setup Time R/W and RS Hold Time Data Out Delay Time Data Hold Time (VDD = 2.7V ~ 5.5V, Ta = -20 ~ +70C) Mode Item E Cycle Time E Rise/Fall Time Symbol Min Typ Max Unit tC tR,tF tw tsu1 tH1 tsu2 tH2 tC tR,tF tw tsu tH tD tDH 5 450 60 20 360 ns 400 60 20 140 10 1400 25 ns 1400 25 (3) Write Mode E Pulse Width (High, Low) (refer to Figure 8.0) R/W and RS Setup Time R/W and RS Hold Time Data Setup Time Data Hold Time E Cycle Time E Rise/Fall Time (4) Read Mode E Pulse Width (High, Low) (refer to Figure 9.0) R/W and RS Setup Time R/W and RS Hold Time Data Out Delay Time Data Hold Time VERSION : 4 16 DEM 16216 SYH-PY 13-2-2. Write Mode Product specification Figure 8.0 13-2-3. Read Mode Figure 9.0 VERSION : 4 17 DEM 16216 SYH-PY Product specification 10. 14. STANDARD CHARACTER PATTERN Upper(4bit) Lowerr(4bit) LLLL CG RAM LLLH LLHL LLHH LHLL LHLH LHHL LHHH HLLL HLLH HLHL HLHH HHLL HHLH HHHL HHHH LLLL (1) LLLH (2) LLHL (3) LLHH (4) LHLL (5) LHLH (6) LHHL (7) LHHH (8) HLLL (1) HLLH (2) HLHL (3) HLHH (4) HHLL (5) HHLH (6) HHHL (7) HHHH (8) VERSION: 4 18 DEM 16216 SYH-PY Table 3. Relationship Between character Code (DDRAM) and Character Pattern (CGRAM) Product specification Character Code ( DDRAM data ) CGRAM Address CGRAM Data D7 D6 D5 D4 D3 D2 D1 D0 A5 A4 A3 A2 A1 A0 P7 P6 P5 P4 P3 P2 P1 P0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 1 0 1 0 1 0 1 0 0 1 x x x 0 1 1 1 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 10 0 0 0 0 0 0 0 1 1 1 1 1 1 0 Pattern number Pattern 1 ...... ...... 0 1 1 1 1 1 ...... 1 1 1 1 1 0 11 Pattern 8 ...... ...... 0 0 0 0 x 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 1 0 1 0 1 0 x x x 10 10 10 1 1 10 10 10 ...... 0 0 0 1 0 0 0 1 1 1 1 1 1 1 1 ...... ...... ...... 0 0 0 0 0 0 0 0 0 0 0 "x": don't care 15. FRAME FREQUENCY (1/16 duty cycle ) 1-line selection period Figure 10.0 VERSION : 4 19 DEM 16216 SYH-PY Product specification 16. LCD Modules Handling precautions The display panel is made of glass. Do not subject it to a mechanical shock by dropping it from a high place ,etc. If the display panel is damaged and the liquid crystal substance inside it leaks out , do not get any in your mouth . If the substance come into contact with your skin or clothes promptly wash it off using soap and water. Do not apply excessive force to the display surface or the adjoining areas since this may cause the color tone to vary. The polarizer covering the display surface of the LCD module is soft and easily scratched. handle this polarize carefully To prevent destruction of the elements by static electricity , be careful to maintain an optimum work environment. -Be sure to ground the body when handling the LCD Modules. -Tools required for assembly, such as soldering irons, must be properly grounded. -To reduce the amount of static electricity generated, do not conduct assembly and other work under dry conditions. -The LCD Module is coated with a film to protect the display surface. Exercise care when peeling off this protective film since static electricity may be generated. Storage Precautions When storing the LCD Modules, avoid exposure to direct sunlight or to the light of fluorescent lamps. Keep the modules in bags designed to prevent static electricity charging under low temperature / normal humidity conditions ( avoid high temperature / high humidity and low temperatures below 0C).Whenever possible, the LCD Modules should be stored in the same conditions in which they were shipped from our company. VERSION : 4 20 DEM 16216 SYH-PY Product specification 17. Others Liquid crystals solidify at low temperature (below the storage temperature range) leading to defective orientation of liquid crystal or the generation of air bubbles (black or white). Air bubbles may also be generated if the module is subjected to a strong shock at a low temperature. If the LCD Modules have been operating for a long time showing the same display patterns the display patterns may remain on the screen as ghost images and a slight contrast irregularity may also appear. Abnormal operating status can be resumed to be normal condition by suspending use for some time. It should be noted that this phenomena does not adversely affect performance reliability. To minimize the performance degradation of the LCD Modules resulting from caused by static electricity , etc . Exercise care to avoid holding the following sections when handling the modules: -Exposed area of the printed circuit board -Terminal electrode sections VERSION : 4 21 |
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