Tel:886-2-66296288 Fax:886-2-29174598 URL:http://www.princeton.com.tw 1/3 Duty General Purpose LCD Driver IC PT6525 DESCRIPTION PT6525 is an LCD Driver IC which can drive up to 156 segments. It can be used for frequency display in microprocessor-controlled radio receiver and in other display applications. PT6525 supports both 1/3 duty, 1/2 bias and 1/3 duty, 1/3 bias. Pin assignments and application circuit are optimized for easy PCB layout and cost saving advantages. FEATURES • • • • • • • • • Up to 156 Segments Outputs 1/3 Duty - 1/2 Bias and 1/3 Duty - 1/3 Bias Drive Techniques Power Saving Mode and all Segments OFF Function Direct Display of Display Data without using a Decoder RC Oscillation Circuit Power Supply Voltage: 4.5V to 6V CMOS/TTL compatible logic input pins LCD Drive Bias Voltage can be provided internally or externally Available in 64 pins LQFP APPLICATIONS • • • • • • Electronic Dictionary / Translator P.O.S. Caller ID Pager Mini Compo Electronic Equipment with LCD Display PT6525 v1.0 -1- March, 2007 Tel:886-2-66296288 Fax:886-2-29174598 URL:http://www.princeton.com.tw 1/3 Duty General Purpose LCD Driver IC PT6525 SG48 SG47 SG46 SG45 SG44 SG43 SG42 SG41 SG40 SG39 SG38 SG37 SG36 SG35 SG34 SG33 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 PIN CONFIGURATION SG49 49 32 SG32 SG50 50 31 SG31 SG51 51 30 SG30 SG52 52 29 SG29 COM1 53 28 SG28 COM2 54 27 SG27 COM3 55 26 SG26 VDD 56 25 SG25 /INH 57 24 SG24 VDD1 58 23 SG23 VDD2 59 22 SG22 VSS 60 21 SG21 OSC 61 20 SG20 CE 62 19 SG19 CLK 63 18 SG18 DI 64 17 SG17 PT6525 v1.0 -2- SG16 SG15 SG14 SG13 SG12 SG11 SG10 SG9 SG8 SG7 SG6 SG5 SG4 SG3 SG2 SG1 PT6525 March, 2007 Tel:886-2-66296288 Fax:886-2-29174598 URL:http://www.princeton.com.tw 1/3 Duty General Purpose LCD Driver IC PT6525 APPLICATION CIRCUITS 1/3 BIAS (FOR SMALL DISPLAY PANEL) Note: 39KΩ ≥ R1 ≥ 10KΩ PT6525 v1.0 -3- March, 2007 Tel:886-2-66296288 Fax:886-2-29174598 URL:http://www.princeton.com.tw 1/3 Duty General Purpose LCD Driver IC PT6525 ORDER INFORMATION Valid Part Number PT6525-LQ PT6525 v1.0 Package Type 64 Pins, LQFP -4- Top Code PT6525-LQ March, 2007