CY8CTST242-LQI-01 Infineon

CY8CTST241 SUMMARY CY8CTST242 TrueTouch Single-Touch Touchscreen Controller TrueTouch Single-Touch Touchscreen Controller Extended feature set Features Water rejection no false touches TrueTouch capacitive touchscreen controller Capacitive buttons supported True single-layer ITO sensor support no bridges On-chip gesture detection Lowers touchscreen system cost Single-click, double-click Single finger position reported One-finger pan gestures X, Y positions and Z magnitude reported 1 Two-finger pinch/zoom gestures Screen sizes up to 3.6-inch diagonal Sensor and system design Up to 32 sense pins Supports chip-on-flex and chip-on-board Fat finger detection and tracking Supports plastic film and glass single-layer touch sensors Large object detection Supports a variety of touchscreen sensor stackups Self-calibrating to environmental changes Resistant to display noise Communication interface 2 Robust operation in noisy RF environment I C slave up to 400 kbps 1.71-V to 5.5-V input supply range SPI slave with 2 Mbps sustained data throughput Single supply voltage Field upgrades through integrated bootloader 2 Compatible with 1.8-V I C signaling Host development kit (HDK) Integrated voltage regulators no need for dedicated Android driver support voltage regulators Supports custom driver development Performance TrueTouch host emulator acts as host for early prototyping Noise-free resolution: 0.1 mm Package options Accuracy with 1 finger on the touchscreen: 0.8 mm 32-pin 5 5 0.55-mm QFN >110-Hz refresh rate with one finger on the touchscreen 48-pin 7 7 1.0-mm QFN Best-in-class active power of 3.6 mW 30-ball 2.2 2.32 0.4-mm WLCSP Best-in-class Low-Power state current: 0.7 mA Best-in-class Deep-Sleep state current: 100 nA CY8CTST241/CY8CTST242 Block Diagram V DD V DD Sense Pins V DD TrueTouch Controller Display SCL Host Sense Pins SDA Processor INT Single Layer ITO Cmod V V SS SS Touchscreen Note 1. Pinch/zoom gestures are only supported on CY8CTST242. Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 001-91041 Rev. *A Revised August 6, 2016CY8CTST241 SUMMARY CY8CTST242 Ordering Information The following table lists the TrueTouch Standard Product Single Touch Touchscreen Controllers. For information on other TrueTouch families, visit