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1 Owner :FRHW/MELG Cypress Confidential Cypress TMA46x vs. Synaptics S320x Mobile Phone Applications The Complete Solution for Advanced Touchscreen Applications.

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Presentation on theme: "1 Owner :FRHW/MELG Cypress Confidential Cypress TMA46x vs. Synaptics S320x Mobile Phone Applications The Complete Solution for Advanced Touchscreen Applications."— Presentation transcript:

1 1 Owner :FRHW/MELG Cypress Confidential Cypress TMA46x vs. Synaptics S320x Mobile Phone Applications The Complete Solution for Advanced Touchscreen Applications

2 Owner :FRHW/MELG Cypress Confidential 2 Robust Touchscreen Performance is Paramount Portable devices require reliable user interface solutions Necessity for any mobile display device featuring a touch user interface including: Display panels ranging 1.5 – 5.9 inches Mobile phones Digital still cameras and portable media players Personal navigation devices Touch panel performance requires a robust solution Charger and display noise cannot degrade touchscreen performance Functionality needs to remain unchanged in the presence of water Touch input must register fast and accurately Low power consumption to support longer battery life Your touchscreen system needs robust functionality in any type of touch-enabled device Mobile Phones Digital Still Cameras

3 Owner :FRHW/MELG Cypress Confidential 3 Synaptics S320x Overview Synaptics S320x is a capacitance sensing IC featuring : Small finger support down to 4 mm diameter Point contact passive stylus input with automatic pen/finger disambiguation Supports gloved finger detection Up to 250 Hz report rate Support for screen sizes up to 5.9 in Synaptics S320x

4 Owner :FRHW/MELG Cypress Confidential 4 Challenges Using Synaptics S320x 1. Noise suppression is required for real-world functionality Suppressing charger noise is critical to maintaining touch register functionality Effective noise filtering must target both periodic and broadband noise in order to increase SNR Synaptics S320X has a 3 V Tx max which leads to lower SNR 2. Cannot support wet-finger tracking without false touches Waterproofing is required for functionality in the presence of condensation, sweat, or rain Synaptics S320x cannot do self + mutual capacitance sensing which is required for true Water- proofing and 1mm stylus support 3. Low performance CPU, less Flash and RAM limits data processing Host processor requires sufficient processing power to support touch registration and advanced features simultaneously Synaptics S320x can’t support high performance advanced features with its underpowered CPU Have you faced any other challenge? Smart Phone Requires high performance in the presence of noise and water

5 Owner :FRHW/MELG Cypress Confidential 5 Challenges beyond Performance Ultimate design flexibility Self + Mutual capacitance provides both robust signal acquisition and position registration of simultaneous touches Supports single-layer sensors and multiple stack-up options for flexible and cost-reduced designs Delivers external display synchronization to neutralize noisy LCD displays Ease of design and development OS support for Android and Windows devices Built-in manufacturing test support Assisted tuning for simpler, faster design implementation Faster time to market with easy-to-use development tool What else is important to you?

6 Owner :FRHW/MELG Cypress Confidential 6 The Solution You Need A high performance and cost-effective solution that : Eliminates charger and display noise to boost SNR Combines self +mutual capacitance providing both robust signal acquisition and true waterproofing capabilities Supports various types of panel designs and thin stack up configurations Allows for faster design, testing and development times TMA46x solution is the solution you need: Provides chargers noise immunity up to 10Vpp; covering majority of aftermarket chargers that emit noise at 20 times EN specification Delivers patent-pending waterproofing technology that maintains accuracy and linearity of touchscreen when moisture is present Flexibility to design display-integrated touch sensors End-to-end design and development support using TrueTouch Host Emulator toolkit 20 mW active power consumption – lowest amongst competition TMA46x silences the competition with breakthrough noise-cancelling solutions Neutralize External Display Noise

7 Owner :FRHW/MELG Cypress Confidential 7 TMA46x Complete Design Solution Evaluate Gen4 features and performance using the TrueTouch Evaluation Kit.. Smartphone by Pantech To create a mobile phone with unmatched performance in the presence of noise. Then configure, debug, and tune your design with TTHE software… TrueTouch Host Emulator Touch Display Tab Interface Board And validate prototype testing, early touch panel development along with the final test solution… gggg TrueTouch TMA500 Evaluation Kit Touch Panel Bridge

8 Owner :FRHW/MELG Cypress Confidential 8 Gen4 TMA46x vs. Synaptics S320x Owner : FRHW/MELG FeatureTMA46xS320x High voltage TX10 VNo Sensing methodSelf + Mutual CapacitanceMutual Capacitance WaterproofingYesNo Reversible MUXYesNo CPU CoreARM M016-bit RISC CPU performance43 MIPS8 MIPS Power consumption20 mW36 mW Smallest package available 49-WLCSP (3.9 x 3.9 x 0.6 mm) 60-BGA (5.0 x 5.0 x 0.6 mm) # of fingers supported10

9 Owner :FRHW/MELG Cypress Confidential 9 Design Challenges Noise suppression with thin stack-ups Robust performance in the presence of water TMA46x Solution On-chip 10 V TX boost for higher SNR which enables thinner display stack ups Uses self + mutual capacitance sensing for true waterproofing Kit: CY3290-TMA400EVKCY3290-TMA400EVK Training: TrueTouch Sales Webcast WW37TrueTouch Sales Webcast WW37 Product updates: Gen4 Quick LinksGen4 Quick Links TMA46x Value Suggested Collateral TMA46x Win over Synaptics S320x Example – Mobile Handset Synaptics S320x Competition Block Diagram Smart Phone TMA46x provides superior noise immunity enabling the flexibility for thinner display stack ups Gen4 Touchscreen Solution Communication I2C/SPI ARM M0 Cortex 48- Mhz CPU Flash SRAM 10 V TX Pump Programmable TX/RX Multiplexer ADC Digital Sequencer RX Ch. 0 RX Ch. 1 RX Ch. 2 RX Ch. 3 RX Ch. 4 RX Ch. 5 RX Ch. 6 RX Ch. 7 RX Ch. 8 ADC MUX Communication Up to 45 TX/RX Pins (package dependant)


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