SPECIFICATION FOR LCD Module CFAF240320K- T-TS

Transcription

1 SPECIFICATION FOR LCD Module CFAF240320K024TTS MODULE: CFAF240320K TTS CUSTOMER: REV DESCRIPTION DATE INITIAL DATE APREPARED BY CHECKED BY APPROVED BY CUSTOMER INITIAL DATE APPROVED BY Page 1 of 14

2 Contents General Description 1. Optical Characteristics 2. Electrical Characteristics 3. Block Diagram 4. Outline dimension 5. Input Terminal Pin Assignment 6. Operating Principle & Methods 7. Reset Timing 8. Reliability Test Result Page 3 of 14

3 General Description * Description This is a color active matrix TFT (Thin Film Transistor) LCD (liquid crys tal display) that uses amorphous silicon TFT as a switching device. This model is composed of a Transmissive type TFT LCD Panel, driver circuit, backlight unit. The resolution of a 2.4" TFT LCD contains 240 x 320 pixels, and can display up to 262K colors. * Features Low Input Voltage: VCC: 2.8V Display Colors of TFT LCD: 262K colors CPU Interface: 8080 parallel 8/9/16/18 bit Internal Power Supply Circuit. General Information Items Specification Main Panel Unit Note Display area(aa) 36.72(H) *48.96(V) (2.4 inch ) mm Driver element asi TFT active matrix Display colors 262K colors Number of pixels 240(RGB) *320 dots Pixel arrangement RGB vertical stripe Pixel pitch 0.153(H) *0.153(V) mm Viewing angle 6 o'clock Drive IC SPFD5408B Display mode Transmissive/ Normally White Operating temperature 20~+70 Storage temperature 30~+80 * Mechanical Information Item Min. Typ. Max. Unit Note Module size Horizontal(H) mm Vertical(V) mm Depth(D) 2.7 mm Weight TBD g Page 4 of 14

4 Optical Characteristics The following items are measured under stable conditions. The optical characteristics should be measured in a dark room or equivalent state Page 5 of 14

5 Page 6 of 14

6 Electrical Characteristics 2.1 Absolute Maximum Rating (Ta=25 VSS=0V) Characteristics Symbol Min. Typ. Max. Unit Note System voltage VCC V Supply voltage (Digital) IOVCC V Supply voltage (Logic) IOVCC V Operating temperature T OP , Storage temperature T ST Note1: Background color changes slightly depending on ambient temperature. This phenomenon is reversible. Ta70 : 75%RH max Ta>70 : absolute humidity must be lower than the humidity of 75%RH at 70 Note2: Ta at 30 will be <48hrs, at 80 will be <120hrs 2.2 DC Electrical Characteristics Characteristics Symbol Min. Typ. Max. Unit Note System voltage VCC V Digital & Logic operation Supply voltage Normal mode Current consumption Sleepin mode Current consumption Level input voltage Level output voltage IOVCC V VCC I 5 ma VCC I 10 ua V IH 0.8 IOVCC V IOVCC 0.2 V IL GND V IOVCC V OH 0.8 IOVCC V IOVCC 0.2 V OL GND V IOVCC Page 7 of 14

7 Crystalfontz America, Inc LED Backlight Characteristics The backlight system is edgelighting type with 4chips White LED in parallel Item Symbol Min. Typ. Max. Unit Note Forward Current IF ma Forward Voltage VF 3.2 (Typ) V CAUTION Do not drive the LEDs at any current over their rated maximum of 20mA (15mA recommended for longer life). Be aware that the forward voltage of white LEDs can vary (LED to LED, batch to batch, and over time) by a significant amount. We recommend using a constant current LED power supply such as the AP3036, NCP5007, FAN5333, or similar to drive the LEDs. Do not use a constant voltage source to drive the LEDs. This display module uses an LED backlight. LED backlights are easy to use, but they are also easily damaged by abuse. CAUTION Do not connect +5v directly to the backlight terminals. This will ruin the backlight. Ensure that you have proper current and voltage control for your backlight before connecting the backlight circuit. NOTE We recommend that the LED backlight be dimmed or turned off during periods of inactivity to conserve its lifetime. LEDs are current devices. The important aspect of driving an LED is the current flowing through it, not the voltage across it. Ideally, a current source would be used to drive the LEDs. In practice, a simple current limiting resistor in line from a voltage source will work well in most applications and is much less complex than a current source. Page 7 of 14

8 Block Diagram 240xRGBx320 Page 8 of 14

9 42.72 Backlight Touch Screen 4.10 Maximum LCD 3.90 Nominal T.S. Active Area Active Area Touch Screen Overall FPC Unfolded Backlight Touch Screen LCD Touch Screen Active Area Active Area 240 x 320 See Pixel Detail A Overall FPC Folded See FPC Detail B Page B R G B R G B R G Note: 1)Tolerance is ±0.2 mm unless specified. 2) FPC=Flexible Printed Circuit. 3) Diagonal = 2.41" Pixel Detail A copyright 2009 by Crystalfontz America, Inc. Part No.(s): CFAF240320K024TTS Preliminary Drawing Scale: Not to scale Units: Millimeters Drawing Number: CFAF240320K024TTS Date: 2011/08/09 Hardware Rev.: va Sheet: 1 of 2

10 22.71± ± ±0.10 See Pin Detail C W =.40 P0.80 X (371) = 28.80± ± R.50 LEDA LEDK1 LEDK2 LEDK3 LEDK4 FPC Detail B Circuit Diagram 1 2 DB0 DB01 3 DB02 4 DB03 5 GND 6 V PANEL CS D/C WR 8080 (R/W 6800 ) 10 RD 8080 (E 6800 ) IM0 X+ Y+ X Y LED A LED K1 LED K2 LED K3 LED K4 21 IM DB04 DB10 DB11 DB12 DB13 DB14 DB15 DB16 DB17 31 RST 32 VCI 33 V PANEL 34 GND DB05 DB06 DB07 Note: 1)Tolerance is ±0.2 mm unless specified. 2) FPC=Flexible Printed Circuit. Pin Detail C copyright 2009 by Crystalfontz America, Inc. Part No.(s): CFAF240320K024TTS Preliminary Drawing Scale: Not to scale Units: Millimeters Drawing Number: CFAF240320K024TTS Date: 2011/08/09 Hardware Rev.: va Sheet: 2 of 2

11 Input terminal Pin Assignment Pin NO. Symbol Level Function 1 DB0 H/L DATA BUS DB0 2 DB1 H/L DATA BUS DB1 3 DB2 H/L DATA BUS DB2 4 DB3 H/L DATA BUS DB3 5 GND L GND 6 IOVCC H POWER SUPPLY 7 /CS H/L Chip select input pin 8 RS H/L A register select signal 9 /WR H/L Write enable clock input pin 10 /RD H/L Read enable clock input pin 11 IM0 H/L Interface selected pin 12 X+ 13 Y+ 14 X 15 Y 16 LEDA H Backlight+ 17 LEDK1 L Backlight 18 LEDK2 L Backlight 19 LEDK3 L Backlight 20 LEDK4 L Backlight 21 IM3 H/L Interface selected pin 22 DB4 H/L DATA BUS DB4 23 DB10 H/L DATA BUS DB10 24 DB11 H/L DATA BUS DB11 25 DB12 H/L DATA BUS DB12 26 DB13 H/L DATA BUS DB13 27 DB14 H/L DATA BUS DB14 28 DB15 H/L DATA BUS DB15 29 DB16 H/L DATA BUS DB16 30 DB17 H/L DATA BUS DB17 31 /RESET H/L HARDWARE RESET PIN 32 VCI H POWER SUPPLY 33 IOVCC H POWER SUPPLY 34 GND L GND 35 DB5 H/L DATA BUS DB5 36 DB6 H/L DATA BUS DB6 37 DB7 H/L DATA BUS DB7 Page 10 of 14

12 INTEFACE MODE IM3=0 IM0=0 80SYSTEM 16BIT INTERFACE USE DB17DB10 DB IM3=0 IM0=1 80SYSTEM 8BIT INTERFACE USE DB17DB10 IM3=1 IM0=0 80SYSTEM 18BIT INTERFACE USE DB170 IM3=1 IM0=1 80SYSTEM 9BIT INTERFACE USE DB179 NOTE: DB170 must connect to the IOVCC or GND when not in use. 6. Operating Principle & Methods Please refer to SPFD5408B datasheet for more details. 80System Bus operation Interface Timing Characteristics (18/16bit interface) Normal write operation (HWN=0 OR 1), IOVCC=1.65V~3.30V. Page 11 of 14

13 INITIAL CODE Page 12 of 14

14 Reliability Test Result 8.1 Condition Item Low Temperature Operating Life test Thermal Humidity Operating Life test Temperature Cycle ON/OFF test High Temperature Storage test Low Temperature Storage test Condition Sample Test Size Result Note 20, 96HR 3ea pass 40, 90%RH, 96HR 3ea pass 20 70, ON/OFF, 20CYC 3ea pass (1) 80, 96HR 3ea pass 30, 96HR 3ea pass The sample should be allowed to stand the following 5 cycles of operation: TSTL for 30 minutes Thermal Shock Resistance > normal temperature for 5 minutes > TSTH for 30 minutes > normal temperature for 5 minutes, as one 3ea pass cycle, then taking it out and drying it at normal temperature, and allowing it stand for 24 hours Box Drop Test 1 Corner 3 Edges 6 faces, 66cm (MEDIUM BOX) 1box pass Note (1) ON Time over 10 seconds, OFF Time under 10 seconds Page 13 of 14