NXP display demo with LCD driver PCF8576 & capacitive sensor PCA8885 Touch-sensitive segmented 4 x 40 display Developed through a partnership with Truly, this advanced display showcases the LCD driver PCF8576 and the capacitive sensor PCA8885. It can be used to drive a segmented Vertical Alignment (VA) screen with integrated touch buttons, and supports a wide range of automotive, industrial, and consumer applications. Demo board key features `` BVA display with 52 display elements and 14 touch buttons `` On-cell ITO touch layer `` LCD driver PCF8576 - TSSOP56 package - Resolution: 4 x 40 `` Capacitive sensor PCA8885 - TSSOP28 package - 8 sensor channels - Multiplexed configuration with 2 channels per touch button `` Display supplied by Truly Applications `` Automotive - Climate control - Car entertainment - Car radios `` Industrial and consumer - Entertainment devices - Small appliances - White goods - Medical and healthcare - Measuring equipment - Information boards - General-purpose display modules Polarizer ITO Layer Touch Glass ITO Layer Segment Liquid Crystal Sample displays Compared to the normal structure, where the ITO touch glass is implemented outside the LCD structure, the on-cell technology offers the following advantages: -S impler structure: two glass layers instead of three - Thinner thickness - Easier assembly - Lower cost On-cell ITO touch layer PCF8576DT key features `` 40 segments and 4 backplane outputs - Graphics with up to 160 display elements - Up to 20 seven-segment alphanumeric characters - Up to 10 fourteen-segment alphanumeric characters `` Multiplex rates selectable for static, 1:2, 1:3, and 1:4 `` LCD bias configuration selectable for static, 1/2 and 1/3 `` Independent supplies for LCD and logic voltages `` Wide power supply range: 1.8 to 5.5 V `` Wide LCD supply range (2.5 to 6.5 V) suitable for VA displays `` Selectable internal or external oscillator `` Frame frequency: 77 Hz (typ.) `` Blinking function `` Up to 16 ICs can be cascaded to drive displays up to `` 16 x 160 elements `` I2C-bus interface up to 400 kHz `` Operating temperature range: -40 oC to 85 oC `` TSSOP56 package: 14 x 6.1 x 0.95 mm `` AEC-Q100 compliant for automotive applications (PCF8576DT/S400/2 version only) PCA8885TS key features `` Capacitive 8-channel touch and proximity sensor with auto-calibration `` Adjustable sensitivity and response time `` Three sensing modes: one-key, two-keys, N-keys - Up to 8 sensors in one-key mode - Up to 28 sensors in two-keys mode `` Two event handling modes: push-button and toggle `` I2C Fast-mode plus interface, up to 1 MHz `` One sub-address for cascading two ICs (up to 64 sensors) `` Power supply range: 2.5 to 5.5 V `` Low power consumption - 10 μA in operating mode - 100 nA in sleep mode (activated via I2C or external input) `` Operating temperature range: -40 to +85 °C `` TSSOP28 package: 9.7 x 4.4 x 0.9 mm `` AEC-Q100 compliant for automotive applications Ordering information Type Package and description Delivery format IC version PCF8576DT/2 TSSOP56: plastic small outline package; 56 leads; body size: 14 mm x 6.1 mm x 0.95 mm Tape and reel, 13 inch 2 PCA8885TS/Q900/1 TSSOP28: plastic small outline package; 28 leads; body size: 9.7 mm x 4.4 mm x 0.9 mm Tape and reel, 13 inch 1 www.nxp.com © 2013 NXP Semiconductors N.V. All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The Date of release: June 2013 information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and Document order number: 9397 750 17454 may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof Printed in the Netherlands does not convey nor imply any license under patent- or other industrial or intellectual property rights.