PT6595 LCD Segment Driver DESCRIPTION PT6595 is an LCD segment driver 140 segment (SEG35 x COM4). FEATURES 3wire serial interface Integrated RAM for display data (DDRAM): 35 x 4 bits (Max. 140 Segment ) LCD driving port: 4 Common output, Segment: 35 output (PT6595, LQFP), 31 output (PT6595, BGA) Integrated Buffer AMP for LCD driving power supply Display Duty 1/4 1/2bias, 1/3bias selectable No external components Low power/ Ultra low power consumption design Operating power supply: 2.7 ~ 3.6V Package: 48-pin, LQFP 48-pin, BGA BLOCK DIAGRAM LQFP 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 BGA V1.1 2 August 2013 PT6595 ORDER INFORMATION Valid Part Number PT6595-LQ PT6595 Package Type 48 Pins, LQFP 48 Pins, BGA Top Code PT6595-LQ PT6595 PIN CONFIGURATION LQFP BGA V1.1 3 August 2013 PT6595 PIN DESCRIPTION Pin Name I/O Description Pin No. 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 43 44 47 48 BGA Pin Name SEG2 ~ SEG32 I/O O Segment output for LCD driver COM0 ~ COM3 O Common output for LCD driver NC - No Connection VDD - Power supply VSS - 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 SD I 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 V1.1 Description 4 August 2013 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 V1.1 22 August 2013