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| www..com LM240128TFC LCD Module User Manual Shenzhen TOPWAY Technology Co., Ltd. Rev. 0.1 Descriptions Preliminary New release Release Date 2005-11-29 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 1 of 10 TOPWAY Table of Content 1. 1.1 1.2 1.3 1.4 LCD Module User Manual LM240128TFC Basic Specifications................................................................................................................ 3 Display Specifications............................................................................................................................ 3 Mechanical Specifications ..................................................................................................................... 3 Block Diagram ....................................................................................................................................... 3 Terminal Functions ................................................................................................................................ 4 2. 3. 3.1 3.2 3.3 Absolute Maximum Ratings.................................................................................................... 5 Electrical Characteristics........................................................................................................ 5 DC Characteristics................................................................................................................................. 5 LED Backlight Circuit Characteristics .................................................................................................... 5 AC Characteristics ................................................................................................................................. 6 www..com 4. Function Specifications .......................................................................................................... 7 Adjusting the Display Contrast .............................................................................................................. 7 Resetting the LCD module..................................................................................................................... 7 Internal Hard-wired Setting .................................................................................................................... 7 Display Memory Mapping Parameter .................................................................................................... 7 Commands Table .................................................................................................................................. 8 4.1 4.2 4.3 4.4 4.5 5. Design and Handling Precaution ......................................................................................... 10 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 2 of 10 TOPWAY 1. Basic Specifications 1.1 LCD Module User Manual LM240128TFC Display Specifications 1) LCD Display Mode : STN, Negative, Transmissive 2) Display Color : Display Data = "1" : Light Gray (*1) : Display Data = "0" : Deep Blue (*2) 3) Viewing Angle :6H 4) Driving Method : 1/128 duty, 1/12 bias 5) Backlight : White LED backlight Note: *1. Color tone may slightly change by Temperature and Driving Condition. *2. The Color is defined as the inactive / background color www..com 1.2 Mechanical Specifications 1) Outline Dimension : 144.0 x 104.0 x 12.3MAX see attached Outline Drawing for details Block Diagram 1.3 BLA BLK LED Backlight Circuit COMMON Driver COMMON Driver SEGMENT Driver VDD, VSS, FG VOUT, V0 DB0 - DB7 C/D, /RD, /WR /CE, /RST, FS1 Power and Booster Circuit LCD Panel 240 x 128 pixels SEGMENT Driver T6963C or equivalent SEGMENT Driver 32k x 8bit SRAM URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 3 of 10 TOPWAY 1.4 Terminal Functions Pin Pin I/O No. Name 1 FG Power 2 VSS Power 3 VDD Power 4 V0 Power 5 /WR Input 6 /RD Input 7 /CE Input 8 C/D Input www..com LCD Module User Manual LM240128TFC Descriptions Frame Ground, Connected to VSS 0V Power Supply, GND Positive Power Supply LCD Contrast Reference Input Data or Command Write Signal Data or Status Read Signal Chip Enable Signal Address for Data or Command: C/D=H, /WR=L, /RD=H : Command Write C/D=H, /WR=H, /RD=L : Status Read C/D=L, /WR=L, /RD=H : Data Write C/D=L, /WR=H, /RD=L : Data Read 9 10 11 : 18 19 20 21 22 23 24 25 NC /RST DB0 : DB7 FS1 VOUT BLA BLK BLA NC BLK Input I/O Input Power Power Power Power Power No Connection, Leave Open Reset Signal: /RST = L, Reset the LCD Module /RST = H, Normal Running 8-bit data bus Font Selection Input: FS1=H : 6x8 font FS1=L : 8x8 font Power Booster Output for V0 Positive Power Supply for LED backlight Negative Power Supply for LED backlight Positive Power Supply for LED backlight No Connection, Leave Open Negative Power Supply for LED backlight URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 4 of 10 TOPWAY Items Supply Voltage Input Voltage Operating Temperature Storage Temperature Symbol VDD VIN TOP TST LCD Module User Manual LM240128TFC 2. Absolute Maximum Ratings Min. 0 VSS-0.3 -20 -30 Max. +6.0 VDD+0.3 +70 +80 Unit V V C C Condition VSS = 0V VSS = 0V No Condensation No Condensation Cautions: Any Stresses exceeding the Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. 3. Electrical Characteristics www..com 3.1 DC Characteristics Symbol VDD VIN VIN IDD MIN. 4.5 0.8xVDD 0 TYP. 5.0 15.5 MAX. 5.5 VDD 0.5 37.0 VSS=0V, VDD =5.0V, TOP =25C Unit Applicable Pin VDD V V V mA DB0~DB8, /WR, /RD, /CE, C/D, /RST, FS1 DB0~DB8, /WR, /RD, /CE, C/D, /RST, FS1 VDD Items Operating Voltage Input High Voltage Input Low Voltage Operating Current 3.2 LED Backlight Circuit Characteristics Symbol VfBLA IfBLA MIN. TYP. 5.0 170 MAX. 200 BLK=0V, IfBLA=170mA, TOP =25C Unit Applicable Pin BLA V BLA mA Items Forward Voltage Forward Current Cautions: Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime. BLA BLK No. of LED = 10pcs URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 5 of 10 TOPWAY 3.3 AC Characteristics LCD Module User Manual LM240128TFC Item Symbol MIN. C/D Setup Time tcds 130 C/D Hold Time tcdh 13 /CE,/RD,/WR Pulse Width tce, trd, twr 100 Data Setup Time tds 100 Data Hold Time tdh 50 Access Time tacc Output Hold Time toh Note: *1. Input signal rise/fall time should be less than 20ns www..com TYP. - VSS=0V, VDD=5.0V, TOP=25C MAX. Unit ns ns ns ns ns 190 ns 65 ns Bus Timing Diagram 3.3.1 Reset Timing Symbol tr trw MIN. 100 VSS=0V, VDD=5.0V, TOP=25C TYP. MAX. Unit 100 s s Item Reset Time Reset LOW pulse width Reset Timing Diagram URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 6 of 10 TOPWAY LCD Module User Manual LM240128TFC 4. Function Specifications 4.1 Adjusting the Display Contrast A Variable-Resistor must be connected to the LCD module for providing a reference to V0. Adjusting the VR will result the change of LCD display contrast. The recommended value of VR is 25k to 50k LCD module VDD www..com V0 VOUT 4.2 Resetting the LCD module The LCD module should be initialized by using /RST terminal. While turning on the VDD and VSS power supply, maintain /RST terminal at LOW level. After the power supply stabilized, release the reset terminal (/RST=HIGH) 4.3 Internal Hard-wired Setting The followings are the major hard-wired setting of the T6963C in side the LCD module. Items Value Wiring Setting Note Scanning Type Single /DUAL=H Single scanning LCD Logical Display Size (x) 320 MD3=H, MD2=L Logical Display Size is NOT Logical Display Size (y) 64 MDS=L, MD1=L, MD0=L equal Physical Display Size Font size setting 8x8 dot FS0=L, FS1=L Font size is depends on FS1 status connected externally 6x8 dot FS0=L, FS1=H 4.4 Display Memory Mapping Parameter Example: Home Address 0000(hex) Text Layer 0800(hex) Graphics Layer Note: *1. Area 001E(hex) 001E(hex) For the details of the commands and T6963C operation please refer to T6963C Data sheet. URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 7 of 10 TOPWAY 4.5 Commands Table LCD Module User Manual LM240128TFC /WR /RD Command Registers Setting C/D Set Cursor Pointer Set Offset Register Set Address Pointer Set Control Word www..com Set Text Home Address Set Text Area Set Graphic Home Address Set Graphic Area Mode Set Display Mode Cursor Pattern Select Data Auto Read/Write Data Read/Write OR mode EXOR mode AND mode Text Attribute mode Internal CG ROM mode External CG RAM mode Display off Cursor on, Blink off Cursor on, Blink on Text on, Graphic off Text off, Graphic on Text on, Graphic on 1-line cursor 2-line cursor 3-line cursor 4-line cursor 5-line cursor 6-line cursor 7-line cursor 8-line cursor Set Data Auto Write Set Data Auto Read Auto Reset Data Write Increment ADP Data Read Increment ADP Data Write Decrement ADP Data Read Decrement ADP Data Write Non-variable ADP Data Read Non-variable ADP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 0 1 1 0 0 1 1 0 Code (8bit) X Address Y Address Note 0010 0001 DATA 0000 0000 0010 0010 Low Address High Address 0010 0100 Low Address High Address 0100 0000 Columns 0000 0000 0100 0001 Low Address High Address 0100 0010 Columns 0000 0000 0100 0011 1000 x000 1000 x001 1000 x011 1000 x100 1000 0xxx 1000 1xxx 1001 0000 1001 xx10 1001 xx11 1001 01xx 1001 10xx 1001 11xx 1010 0000 1010 0001 1010 0010 1010 0011 1010 0100 1010 0101 1010 0110 1010 0111 1011 0000 1011 0001 1011 0010 Data D3: Graphic Display on D2: Text Display on D1: Cursor Display on D0: Cursor Blink on 1100 0000 1100 0001 Data Data 1100 0010 1100 0011 Data Data 1100 0100 1100 0101 Data URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 8 of 10 TOPWAY Commands Table (continue) LCD Module User Manual LM240128TFC /WR /RD Command C/D Screen Peek/Copy Bit Set/Reset www..com Status Check Screen Peek Screen Copy Bit Reset Bit Set Bit 0 (LSB) Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 (MSB) Check the status 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1110 0000 1110 1000 1111 0xxx 1111 1xxx 1111 x000 1111 x001 1111 x010 1111 x011 1111 x100 1111 x101 1111 x110 1111 x111 Status Code (8bit) Note Not use Not use D3: Set/Clear bit D2,D1,D0: bit no. D0: Command execution ready D1: Data read/write ready D2: Auto mode data read ready D3: Auto mode data write ready D4: not used D5: Controller operation normal D6: Error Flag D7: Normal display Note: *1. When sending commands or data, Status Check must be performed. Otherwise, T6963C cannot operate normally, even after a delay time. *2. For the details of the commands and T6963C operation please refer to T6963C Data sheet. URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 9 of 10 TOPWAY LCD Module User Manual LM240128TFC 5. Design and Handling Precaution 1. 2. 3. 4. 5. 6. www..com 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. The LCD panel is made by glass. Any mechanical shock (eg. dropping form high place) will damage the LCD module. Do not add excessive force on the surface of the display, which may cause the Display color change abnormally. The polarizer on the LCD is easily get scratched. If possible, do not remove the LCD protective film until the last step of installation. Never attempt to disassemble or rework the LCD module. Only Clean the LCD with Isopropyl Alcohol or Ethyl Alcohol. Other solvents (eg. water) may damage the LCD. When mounting the LCD module, make sure that it is free form twisting, warping and distortion. Ensure to provide enough space (with cushion) between case and LCD panel to prevent external force adding on it, or it may cause damage to the LCD or degrade the display result. Only hold the LCD module by its side. Never hold LCD module by add force on the heat seal or TAB. Never add force to component of the LCD module. It may cause invisible damage or degrade of the reliability. LCD module could be easily damaged by static electricity. Be careful to maintain an optimum anti-static work environment to protect the LCD module. When peeling off the protective film from LCD, static charge may cause abnormal display pattern. It is normal and will resume to normal in a short while. Take care and prevent get hurt by the LCD panel sharp edge. Never operate the LCD module exceed the absolute maximum ratings. Keep the signal line as short as possible to prevent noisy signal applying to LCD module. Never apply signal to the LCD module without power supply. IC chip (eg. TAB or COG) is sensitive to the light. Strong lighting environment could possibly cause malfunction. Light sealing structure casing is recommend. LCD module reliability may be reduced by temperature shock. When storing the LCD module, avoid exposure to the direct sunlight, high humidity, high temperature or low temperature. They may damage or degrade the LCD module URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240128TFC-Manual-Rev0.1 Page: 10 of 10 |
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