SUMMARY
CYTMA568
TrueTouch
®
Multi-Touch All-Points
Touchscreen Controller
Cypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Document Number: 001-90891 Rev. *A Revised May 26, 2016
Features
■ Multi-touch capacitive touchscreen controller
❐ 32-bit ARM Cortex™ CPU
❐ Register configurable
❐ Noise suppression technologies for battery charger and
display
• Effective 28-V TX 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
• 10 fingers with thin glove (≤1-mm thickness)
• 2 fingers with thick glove (≤5-mm thickness)
❐ Fingernail tracking
❐ 1-mm passive stylus with palm rejection
❐ Hover finger tracking
❐ 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
■ System performance (configuration dependent)
❐ Screen sizes up to 8.3-inch diagonal
• 5-mm sensor pitch, 16:9 aspect ratio
❐ Screen sizes up to 5.3-inch diagonal
• 3.2-mm sensor pitch, 16:9 aspect ratio
❐ Up to 58 sense pins
• 777 intersections (21 × 37)
❐ Reports up to 10 fingers
❐ Small finger support down to 4 mm
❐ Large finger support up to 30 mm
❐ Refresh rate up to 230 Hz
❐ TX frequency up to 500 kHz
❐ Fast first-touch response (13 ms)
❐ Best-in-class charger noise immunity
• Immunity up to 20 volts peak-to-peak (V
PP
)
• Immunity to AT&T Zero charger
■ Power (configuration dependent)
❐ 1.71-V to 5.5-V digital and I/O supply
❐ 2.65-V to 5.5-V analog supply
❐ 12-mW average power
❐ 15-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)
• Touch-integrated display modules (on-cell, in-cell)
• 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
❐ I
2
C slave at all standard bit rates
• 100 kbps, 400 kbps, 1 Mbps, and 3.4 Mbps
❐ SPI slave bit rates up to 8 Mbps
■ Package options
❐ 56-pin 6 × 6 × 0.6-mm QFN (0.35-mm lead pitch)
❐ 70-ball 5.5 × 5.5 × 0.6-mm BGA (0.5-mm ball pitch)
