PT6595 LCD Segment Driver FEATURES 3-wire serial interface (SD, SCL, CSB) Integrated RAM for display data (DDRAM): 35 x 4 bits (Max. 140 Segment ) LCD driving port: 4 Common output, 35 Segment output Integrated Buffer AMP for LCD driving power supply Integrated Oscillator Circuit Support Blink Function (Blink Function 0.5, 1, 2Hz selection) Integrated Power-On-Reset Circuit Display Duty: 1/4 1/2 bias, 1/3 bias selectable No external components Low power/ Ultra low power consumption design Operating power supply: 2.7 ~ 3.6V Package: 48-pin, LQFP APPLICTIONS Telephone, FAX, Portable equipment (POS, ECR. PDA etc.) DSC, DVC, Car audio, Home electrical appliance. Master equipment, etc BLOCK DIAGRAM Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, No. 233-1, Baociao Rd., Sindian Dist., New Taipei City 23145, Taiwan PT6595 ORDER INFORMATION Valid Part Number PT6595-LQ Package Type 48 Pins, LQFP Top Code PT6595-LQ PIN CONFIGURATION V1.2 2 October 2015 PT6595 PIN DESCRIPTION Pin Name I/O SEG0 ~ SEG34 O Segment output for LCD driver 1 ~ 35 COM0 ~ 3 O Common output for LCD driver 36 ~ 39 NC - No connection 40 VDD - Power supply 41 VSS - 42 OSCIN I CSB I Ground pin External clock input External clock and Internal clock can be selected by command. Must be connect to VSS when use internal oscillation circuit. Chip select: “L” active SCL I Serial data transfer clock 45 SD I 46 TEST I INHb I Serial data input Test input (Testing Use) Must be connect to VSS Input terminal for turn off display H: turn on display L: turn off display V1.2 Description 3 Pin No. 43 44 47 48 October 2015 PT6595 IMPORTANT NOTICE Princeton Technology Corporation (PTC) reserves the right to make corrections, modifications, enhancements, improvements, and other changes to its products and to discontinue any product without notice at any time. PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No circuit patent licenses are implied. Princeton Technology Corp. 2F, 233-1, Baociao Road, Sindian Dist., New Taipei City 23145, Taiwan Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw V1.2 19 October 2015