LM12896FCW-1 LCD Module User Manual Release Date Prelimiay release Document Name: LM12896FCW-1-Manual-Rev0.1.doc Page: 1 of 17

LCD Module User Manual Table of Content 1. Basic Specifications 2. Absolute Maximum Ratings 3.2 LED Backlight Circuit Characteristics Document Name: LM12896FCW-1-Manual-Rev0.1.doc Page: 2 of 17

LCD Module User Manual 1. Basic Specifications 1.1 Display Specifications 1) LCD Display Mode : FSTN, Positive, Transflective 2) Display Color : Display Data = “1” : Dark Gray (*1) : Display Data = “0” : Light Gray (*2) 3) Viewing Angle :6H 4) Driving Method : 1/96 duty, 1/10bias 5) Back Light : 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 *3. Fine Contrast adjustment function is necessary in application design for optimal display result 1.2 Mechanical Specifications 1) Outline Dimension...

LCD Module User Manual Terminal Functions Descriptions Chip select input pin. /CS=“L”: This chip is selected and the MPU interface is active. Connect to VSS /CS=“H”: This chip is not selected and the MPU interface is disabled(DB7~DB0] are high impedance). Reset signal. /RST = L, internal Initialization is executed. /RST = H, Normal running. Register Select RS = H, Transferring the Display RAM data Connect to VDD RS = L, Transferring the Instruction data /WR=LH, R/W = H, /RD=H; E=L; Data or Data or Instruction Status latch into the read form LCD module the LCD module Not used, leave open or pull...

LCD Module User Manual 2. Absolute Maximum Ratings Items Supply Voltage Operating Temperature Storage Temperature Condition 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. Items Operating Voltage Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Operating Current 3.2 VSS = 0V, VDD = 3.3V,...

LCD Module User Manual 8080 Interface Timing Diagram Item Address Setup Time Address Hold Time System cycle time(WRITE) /WR L pulse width(WRITE) /WR H pulsewidth(WRITE) System cycle time (READ) /RD L pulse width (READ) WRITE Data setup time WRITE Data hold time Output Disable Time READ access time READ Output disable time note: signal rise time and fall time should less than 15ns. Document Name: LM12896FCW-1-Manual-Rev0.1.doc Page: 6 of 17

LCD Module User Manual 6800 Interface Timing Diagram Item Address Setup Time Address Hold Time System cycle time(WRITE) Enable L pulse width(WRITE) Enable H pulse width(WRITE) System cycle time (READ) Enable L pulse width (READ) Enable H pulse width (READ) Write data setup time Write data hold time Read data access time Read data output disable time note: signal rise time and fall time should less than 15ns. Document Name: LM12896FCW-1-Manual-Rev0.1.doc Page: 7 of 17

LCD Module User Manual 4-Line SPI Interface Timing Diagram Item Serial clock period SCL “H” pulse width SCL “L” pulse width Address setup time Address hold time Data setup time Data hold time CSB-SCLK time CSB-SCLK time CS “H” pulse width Symbol tSCYC tSHW tSLW tSAS tSAH tSDS tSDH tCSS tCSH tCHW note: signal rise time and fall time should less than 15ns

LCD Module User Manual 3-Line SPI Interface Timing Diagram Item Serial clock period SCL “H” pulse width SCL “L” pulse width Data setup time Data hold time CSB-SCL time CSB-SCL time Symbol tSCYC tSHW tSLW tSDS tSDH tCSS tCSH note: signal rise time and fall time should less than 15ns Document Name: LM12896FCW-1-Manual-Rev0.1.doc Page:

LCD Module User Manual I2C Interface Timing Diagram Item SCL clock frequency SCL clock low period SCL clock high period Data set-up time Data hold time Setup time for a repeated START condition Start condition hold time Setup time for STOP condition Bus free time between a STOP and START Signal rise time Signal fall time Capacitive load represented by each bus line Tolerable spike width on bus Symbol fSCL tLOW tHIGH tSU;Data tHD;Data note: signal rise time and fall time should less than 15ns Reset Timing Item Reset time Reset “L” pulse width Reset Timing Diagram URL: Document Name: LM12896FCW-1-Manual-Rev0.1.doc...

LCD Module User Manual 4. Function Specifications 4.1 Adjusting the Display Contrast -- This LCD module equipped with latest digital contrast adjustment function. -- Its display contrast could be adjusted by MCU command. (Please see the command tables for details) -- It is recommended to provide a contrast adjustment interface for end-user, where the best display result could meet the individual preference in mass production. 4.2 Resetting the LCD module The LCD module should be initialized by setting /RST terminal at low level after the power supply stable. 4.3 Power off the LCD Module It recommends...

LCD Module User Manual Display Data RAM (DDRAM) Document Name: LM12896FCW-1-Manual-Rev0.1.doc Page: 12 of 17

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LCD Module User Manual *1. Do not use any other command not listed, or the system malfunction may result. *2. For the details of the Display Commands, please refer to ST75161 data sheet. Document Name: LM12896FCW-1-Manual-Rev0.1.doc Page: 16 of 17

LCD Module User Manual 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...