CYAT81X 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. *B Revised November 13, 2017 CYAT81X SUMMARY (61, 71, 77, 88 I/Os) Ordering Information Table 1 lists the CYAT81X TrueTouch touchscreen controllers. 2 Table 1. Ordering Information Package MPN CYAT81682-100AA61Z 61 10 100 TQFP CYAT81682-100AS61Z 61 10 100 TQFP CYAT81682-100AA71Z 71 10 100 TQFP CYAT81682-100AS71Z 71 10 100 TQFP CYAT81682-100AA77Z 77 10 100 TQFP CYAT81682-100AS77Z 77 10 100 TQFP CYAT81682-128AA88Z 88 10 128 TQFP CYAT81682-128AS88Z 88 10 128 TQFP CYAT81685-100AA61Z 61 10 100 TQFP CYAT81685-100AS61Z 61 10 100 TQFP CYAT81685-100AA71Z 71 10 100 TQFP CYAT81685-100AS71Z 71 10 100 TQFP CYAT81685-100AA77Z 77 10 100 TQFP CYAT81685-100AS77Z 77 10 100 TQFP CYAT81685-128AA88Z 88 10 128 TQFP CYAT81685-128AS88Z 88 10 128 TQFP CYAT81688-100AA61Z 61 10 100 TQFP CYAT81688-100AS61Z 61 10 100 TQFP CYAT81688-100AA71Z 71 10 100 TQFP CYAT81688-100AS71Z 71 10 100 TQFP CYAT81688-100AA77Z 77 10 100 TQFP CYAT81688-100AS77Z 77 10 100 TQFP CYAT81688-128AA88Z 88 10 128 TQFP CYAT81688-128AS88Z 88 10 128 TQFP CYAT81689-100AA77Z 77 10 100 TQFP CYAT81689-100AS77Z 77 10 100 TQFP CYAT81689-128AA88Z 88 10 128 TQFP CYAT81689-128AS88Z 88 10 128 TQFP Notes 2. All devices have the following base features: Water Rejection, DisplayArmor, AutoArmor, DualSense, CapSense buttons, Large Object Detection and Rejection, and Grip Suppression. Document Number: 002-04310 Rev. *B Page 2 of 5 Number of Sense Pins Number of Fingers Wake-up Button Support CapSense Buttons Water Rejection Thin Glove Support Display Armor Gestures Thick Overlay/Thick Glove Support 5-V TX