MXT224

Features • maXTouch™ Touchscreen – True 12-bit multi-touch with independent XY tracking for up to 10 concurrent touches in real time with touch size reporting – Up to 4.3 inch diagonal screen size supported with 10 mm “pinch” separation – Up to 10.1 inch support with correspondingly wider “pinch” Number of Channels – Up to 224 (subject to other configuration limitations) – Electrode grid configurations up to 20 X by 10 Y lines supported (subject to 30 total pins and a maximum of 14 Y lines) maXTouch Touch Key Support – Up to 32 channels can be allocated as fixed keys (subject to other configurations) Zero Additional Part Count – 16 X by 14 Y matrix (224 channels) implementable with power bypass capacitors only Signal Processing – Advanced digital filtering using both hardware engine and firmware – Self-calibration – Auto drift compensation – Adjacent Key Suppression® (AKS™) technology – Grip and face suppression – Reports one-touch and two-touch gestures – Down-scaling and clipping support to match LCD resolution – Ultra-fast start-up and calibration for best user experience – Supports axis flipping and axis switch-over for portrait and landscape modes Scan Speed – Maximum single touch >250Hz, subject to configuration – Configurable to allow power/speed optimization – Programmable timeout for automatic transition from active to idle states Response Times – Initial latency