CYTMA445A SUMMARY TrueTouch® Multi-Touch All-Points Touchscreen Controller Features ■ ■ Multi-touch capacitive touchscreen controller ® ❐ 32-bit ARM Cortex™ CPU ❐ Register-configurable ❐ Noise-suppression technologies for battery charger and display • Effective 24-V drive for higher signal-to-noise ratio (SNR) • ChargerArmor™ for charger noise immunity • External display synchronization ❐ Water rejection and wet-finger tracking using DualSense™ ❐ Multi-touch glove with automatic mode switching • Ten fingers with thin glove (≤1-mm thick) • Two fingers with thick glove (≤5-mm thick) ❐ Fingernail tracking ❐ Grip suppression ❐ Large object rejection ❐ Automatic baseline tracking to environmental changes ❐ Low-power look-for-touch mode ❐ Field upgrades via bootloader ❐ Android™ driver support ❐ Cypress Manufacturing Test Kit (MTK) ❐ Touchscreen sensor self-test and Panel ID reporting ■ Power (configuration-dependent) ❐ 1.71- to 1.95-V or 2.0- to 5.5-V digital and I/O supply ❐ 2.65- to 4.7-V analog supply ❐ 4-mW average power ❐ 5.7-μW typical deep-sleep power ■ Sensor and system design (configuration-dependent) ❐ Supports a variety of touchscreen sensors and stackups • Manhattan, diamond, Single-Layer Independent Multi-touch (SLIM®), and Totem-pole patterns • Sensor-on-Lens (SOL) • Plastic (PET) and glass-sensor substrates • LCD, AMOLED, and IPS displays • Metal mesh ❐ Single-layer flexible printed circuit (FPC) routing enabled by flexible TX/RX configurations ■ Communication interface 2 ❐ I C slave at 100 and 400 kbps [1] ❐ SPI slave bit rates up to 8 Mbps ■ Package options ❐ 44-pin 5 × 5 × 0.6-mm QFN (0.35-mm lead pitch) ❐ 48-pin 6 × 6 × 0.6-mm QFN (0.4-mm lead pitch) System performance (configuration dependent) ❐ Screen sizes up to 5.0-inch diagonal • 4.8-mm sensor pitch; 16:9 aspect ratio ❐ Up to 36 sense pins • 308 intersections (22 × 14) ❐ Reports up to ten fingers ❐ Small finger support down to 4 mm ❐ Large finger support up to 30 mm ❐ Refresh rate up to 300 Hz; other rates configurable ❐ TX frequency up to 500 kHz ❐ Best-in-class charger noise immunity • Immunity up to 35-V peak-to-peak (VPP) • Immunity to AT&T® Zero charger noise Note 1. SPI support is only available in 48-pin QFN package. Cypress Semiconductor Corporation Document Number: 001-90901 Rev. *D • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600 Revised June 21, 2016 SUMMARY CYTMA445A Ordering Information Table 1 lists the CYTMA445A TrueTouch touchscreen controllers. For information on other TrueTouch families, visit http://www.cypress.com/truetouch. Table 1. Device Ordering Information[2] Device Part Number TrueTouch Package Part Number Sense I/O 35-VPP Charger Armor CYTMA445A-44LQI28AA(T) 28 ✔ – – 44-Pin QFN CYTMA445A-44LQI33AA(T) 33 ✔ – – 44-Pin QFN CYTMA445A-44LQI35AA(T) 35 ✔ – – 44-Pin QFN CYTMA445A-48LQI36AA(T) 36 ✔ – – 48-Pin QFN CYTMA445A-44LQI28AB(T) 28 ✔ ✔ – 44-Pin QFN CYTMA445A-44LQI33AB(T) 33 ✔ ✔ – 44-Pin QFN CYTMA445A-44LQI35AB(T) 35 ✔ ✔ – 44-Pin QFN CYTMA445A-48LQI36AB(T) 36 ✔ ✔ – 48-Pin QFN Advanced Feature CYTMA445A-44LQI35AE(T) 35 ✔ ✔ ✔ 44-Pin QFN CYTMA445A-48LQI36AE(T) 36 ✔ ✔ ✔ 48-Pin QFN Custom (Reserved for Kits) CYTMA445A-44LQI35ZZ(T) 35 ✔ ✔ ✔ 44-Pin QFN CYTMA445A-48LQI36ZZ(T) 36 ✔ ✔ ✔ 48-Pin QFN Segmentation Base Part DualSense DualSense Glove Type Ordering Code Definitions CY TMA 445A - ##LQI ## XX (T) T = Tape and Reel Features (XX) AA = Base AB = Base Part + Water Rejection (DualSense) AE = Base Part + Water Rejection (DualSense) + Face Detection ZZ = Custom Development Number of Sense I/O (XX): 28, 36, or 37 Pins/Package Type (ABCDE) 44LQI = 44-pin QFN 48LQI = 48-pin QFN Part Number: 445A Family Code: TMA = Multi-Touch All-Points Controller Marketing Code: CY = Cypress PSoC Notes 2. All devices have the following base features: ChargerArmor, CapSense buttons, Large Object Detection and Rejection, and Grip Suppression. Document Number: 001-90901 Rev. *D Page 2 of 4 SUMMARY CYTMA445A Document History Page Document Title: CYTMA445A, TrueTouch® Multi-Touch All-Points Touchscreen Controller Document Number: 001-90901 Revision ECN ** 4379892 Orig. of Submission Change Date SWU Description of Change 05/14/2014 New datasheet. *A 4427766 SWU 07/02/2014 Changed maximum VDDA supply from 5.5 V to 4.7 V. Changed Deep Sleep power from 5.674 µW to 6.3 µW. Changed charger noise (ChargerArmor) immunity from 15Vpp to 35 Vpp. Fixed typo for supported Charger Armor voltage in Ordering Information table. Fixed MPN sense I/O typo in Ordering Information table. *B 4484730 SWU 08/27/2014 Added “Datasheet” to document title. *C 4670224 SWU 02/25/2015 Fixed typo: Removed footnote link from External display synchronization on the front page. Removed support for On-cell/hybrid in-cell touch-integrated display modules. *D 5316805 ELG 06/21/2016 Updated Features. Updated Ordering Information. Updated CY Logo and Sales Disclaimer. Document Number: 001-90901 Rev. *D Page 3 of 4 SUMMARY CYTMA445A Sales, Solutions, and Legal Information Worldwide Sales and Design Support Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office closest to you, visit us at Cypress Locations. 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Cypress products are not designed, intended, or authorized for use as critical components in systems designed or intended for the operation of weapons, weapons systems, nuclear installations, life-support devices or systems, other medical devices or systems (including resuscitation equipment and surgical implants), pollution control or hazardous substances management, or other uses where the failure of the device or system could cause personal injury, death, or property damage ("Unintended Uses"). A critical component is any component of a device or system whose failure to perform can be reasonably expected to cause the failure of the device or system, or to affect its safety or effectiveness. Cypress is not liable, in whole or in part, and you shall and hereby do release Cypress from any claim, damage, or other liability arising from or related to all Unintended Uses of Cypress products. You shall indemnify and hold Cypress harmless from and against all claims, costs, damages, and other liabilities, including claims for personal injury or death, arising from or related to any Unintended Uses of Cypress products. Cypress, the Cypress logo, Spansion, the Spansion logo, and combinations thereof, PSoC, CapSense, EZ-USB, F-RAM, and Traveo are trademarks or registered trademarks of Cypress in the United States and other countries. For a more complete list of Cypress trademarks, visit cypress.com. Other names and brands may be claimed as property of their respective owners. Document Number: 001-90901 Rev. *D Revised June 21, 2016 Page 4 of 4 ChargerArmor™ is a trademark and TrueTouch®, PSoC®, and CapSense® are registered trademarks of Cypress Semiconductor Corporation. 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