PC-TFT-25XS Interface Board Features • Used for TFT-LCD display: 2.5” AND-TFT-25XS-LED • Compatible with NTSC or PAL system • High Resolution: 112,320 dots The PC-TFT-25XS is designed to work with the AND-TFT-25XS-LED color TFT display which is suitable for camcorders, digital camera applications and other electronic products which require high quality flat panel displays. • Optimum Viewing Direction: 6 o’clock • Up/Down and Left/Right Image Reversion Mechanical Characteristics Item Specification Unit Screen Size 2.45 (diagonal) inch Surface Treatment Anti-Glare – Display Format 160 x 234 dot Active Area 49.68 (W) x 37.44 (H) mm Dot Pitch 0.1035 (W) x 0.160 (H) mm Pixel Configuration Stripe – Outline Dimension 60.6 (W) x 48.4 (H) x 3.45 (D) mm Weight 20 ± 3 g Contrast Ratio 350:1 View Angle (V) +15 ºC / -35ºC (H) ± 50ºC Color Full Color Brightness 250 cd/m2 Please refer to data sheet for AND-TFT-25PXS-LED for more details on panel information. Absolute Maximum Rating Item Symbol Specifications Min. Max. Unit Input Voltage Vin +8 +16 V Input Voltage Vin +4 +6 V Video Input Signal Video in 0.5 2.0 Vp-p Digital Input Signal TTL +0.3 +5.3 V -10 60 ºC 5 90 %RH -25 80 ºC Operating Temperature Relative Humidity Storage Temperature Relative Humidity 0 90 %RH Supply Voltage VL – 13.2 V Supply Current IL – 20 mA Remarks Note 1 IL=20mA Note 1: @ 75 Ω Product specifications contained herein may be changed without prior notice. It is therefore advisable to contact Purdy Electronics before proceeding with the design of equipment incorporating this product. 1/28/08 Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] www.purdyelectronics.com 1 PC-TFT-25XS Electrical Characteristics - Operating Conditions Item Specifications Symbol I/O Input Voltage Vin I Total Current Iin I 153 mA I 1.84 W Power Consumption Min. Typ. Max. +10 +12 +14 Unit Remarks V @+12V Input Voltage Vin I Total Current Iin I 300 mA I 1.5 W @+5V Video in I -1.0 Vp-p @ 75 Ω +5V O – +5V V Bright I +1.13 +1.3 +1.43 V Contrast I +2.10 +2.57 +2.98 V Color I +2.26 +2.72 +3.59 V Tint (NTSC only) I +1.5 +3.09 +4.6 V NTSC/PAL O – TTL Power Consumption Video Input Signal Output Voltage Brightness Adjust Contrast Adjust Color Adjust Tint Adjust Viedo Auto Detect +4 +5 +6 V V Current Consumption (GND = AVSS = 0V) Item White Window Red Green Blue S/N: 001 x 0.307 0.558 0.340 0.161 y 0.326 0.349 0.541 0.128 L 300 (cd/m2) – – – TC 8650(ºK) – – – Remark ± 15% Note 1. Luminance: BM-7 FAST (TOPCON) Note 2. Pattern Generator: FLUKE PM54200 Note 3. Measurement Distance: 500mm ± 500mm Note 4. TOPCON BM-7 Luminance Meter 2º field of view is used in the testing (After 10 min ~ 20 min Operation) LED Driver Data: Ta - 25ºC @+5V 2 Item Symbol Supply voltage of LED backlight Supply current of LED backlight Specifications Unit Remark 13.8 V IL = 23.3 mA 23.3 mA Min. Typ. VL – IL – Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] www.purdyelectronics.com 1/28/08 PC-TFT-25XS Terminal Pin Assignment Pin No. Symbol 1 Description 2 I Analog GND for source driver 3 AVDD I Analog power input for source driver 4 VB I Video Input B 5 VG I Video Input G 6 VR I Video Input R 7 VSS I Digital GND 8 VDD I Digital power input 9 10 11 12 13 14 15 CPH1 CPH2 CPH3 STH2 Q2H INH R/L VCOM I I I I/O I I I I I I I/O I/O 22 XOE CPV U/D DIO2 DIO1 VGL I Gate off voltage (alternative every 1-H) 23 VEE I Gate driver negative voltage 24 VSS I GND 25 VCC I Logic power for gate driver 26 VGH I Gate on voltage 27 28 NC NC – – No connection No connection 29 30 GLED VLED 16 17 18 19 20 21 1/28/08 I/O I/O STH AVSS I Start pulse for source driver Sampling and shift clock for source driver Sampling and shift clock for source driver Sampling and shift clock for source driver Start pulse for source driver Video input rotation control Output enable for source driver Left/Right Control for source driver Common electrode voltage Output enable for gate driver Clock input for gate driver Up/Down Control for gate driver Vertical start pulse Vertical start pulse Supply current for LED Supply voltage for LED Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] www.purdyelectronics.com 3 PC-TFT-25XS J301: Pin Assignment of SIgnal Input (Pitch 1.25 mm 15P, Side Entry Type) Pin No. Symbol I/O Description 1 Vin I +12 V Voltage Power supply 2 GND – Power Ground 3 GND – Power Ground 4 GND – Signal Ground 5 Video-IN I Video input (1Vp-p/75 Ω) 6 +5V O Voltage DC Output 7 Bright I Brightness control 8 Contrast I Contrast control 9 Color I Color control Remarks Note 1 10 Tint I Tint control Note 2 11 NTSC/PAL O Systemm Auto detect output Note 3 12 LRC I Screen Left / Right reverse Note 4 13 UDC I Screen Up / Down reverse Note 4 14 Dimmer I Backlight brightness control 15 Enable I Backlight On/Off Note 5 Note 1: The +5V power supply external control circuit. (Max. output is 10mA) Note 2: The TINT is only operating in NTSC system. Note 3: The output High level for NTSC mode and Low level for PAL mode. Note 4: Default +5V or floating is normal scanning and 0V is for reversed scanning. Note 5: The floating or 0V is backlight on and 5V is backlight off. Block DIagram 4 Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] www.purdyelectronics.com 1/28/08 PC-TFT-25XS 1/28/08 Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] www.purdyelectronics.com 5