Please note that Cypress is an Infineon Technologies Company. The document following this cover page is marked as Cypress document as this is the company that originally developed the product. Please note that Infineon will continue to offer the product to new and existing customers as part of the Infineon product portfolio. Continuity of document content The fact that Infineon offers the following product as part of the Infineon product portfolio does not lead to any changes to this document. Future revisions will occur when appropriate, and any changes will be set out on the document history page. Continuity of ordering part numbers Infineon continues to support existing part numbers. Please continue to use the ordering part numbers listed in the datasheet for ordering. www.infineon.comCYAT81X SUMMARY (61, 71, 77, 88 I/Os) Automotive TrueTouch Multi-Touch All-Points Touchscreen Controller Datasheet Features Multi-touch capacitive touchscreen controller Power (configuration-dependent) 32-bit Arm Cortex CPU 1.71- to 1.95-V and 3.0- to 5.5-V logic and digital I/Os supply Register-configurable 3.0- to 5.5-V analog supply Noise-suppression technologies for display and EMI 30-mW average power 1 Effective 20-V drive for higher signal-to-noise ratio (SNR) 30-W typical deep-sleep power AutoArmor improves both electromagnetic emissions Sensor and system design (configuration-dependent) and immunity Supports a variety of touchscreen sensors and stackups External display synchronization Manhattan, diamond Water rejection and wet-finger tracking using DualSense Sensor-on-Lens (SOL) Multi-touch glove with automatic mode switching Plastic (PET) and glass-sensor substrates Ten fingers with thin glove (1-mm thick) LCD, AMOLED, and IPS displays Two fingers with thick glove (5-mm thick) Metal mesh Large object rejection Communication interface Automatic baseline tracking to environmental changes 2 Low-power look-for-touch mode I C slave at 100 and 400 kbps Field upgrades via bootloader SPI slave bit rates up to 8 Mbps Cypress Manufacturing Test Kit (MTK) Package Touchscreen sensor self-test 100-pin TQFP 14 14 1.4 mm (0.5-mm pitch) System performance (configuration dependent) 128-pin TQFP 14 20 1.4 mm (0.5-mm pitch) Screen sizes up to 15-inch diagonal Ambient temperature range 6.0-mm electrode pitch 16:10 aspect ratio Automotive-A: 40 C to 85 C Up to 88 sense pins, 1836 intersections 16:10 aspect ratio Automotive-S: 40 C to 105 C (34 TX 54 RX) Reports up to ten fingers Small finger support down to 4 mm Note 1. Effective voltage when using 17 multi-phase TX and 5-V V supply. CCTX Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 002-04310 Rev. *C Revised December 23, 2019