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CYTT21403-56LQI44

P1-P3P4-P4
SUMMARY
CYTT21X/31X
(40, 44, 48 IOs)
TrueTouch
®
Multi-Touch All-Points
Touchscreen Controller Datasheet
Cypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Document Number: 001-93968 Rev. *C Revised January 5, 2016
TrueTouch
®
Multi-Touch All-Po ints Touchscreen Controller Datasheet
Features
■ Multi-touch capacitive touchscreen controller
❐ 32-bit ARM
®
Cortex™ CPU
❐ Register-configurable
❐ Noise-suppression technologies for battery charger and
display
• Effective 14-V drive for higher signal-to-noise ratio (SNR)
• ChargerArmor™ for charger noise immunity
• External display synchronization
❐ Water rejection and wet-finger tracking using DualSense™
❐ 2.5-mm passive stylus with automatic mode switching and
palm rejection
❐ Multi-touch glove with automatic mode switching
• Ten fingers with thin glove (≤1-mm thick)
• Two fingers with thick glove (≤5-mm thick)
❐ Fingernail 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 7.0-inch diagonal
• 5.0-mm electrode pitch; 16:9 aspect ratio
❐ Screen sizes up to 5.5-inch diagonal
• 4.0-mm electrode pitch; 16:9 aspect ratio
❐ Up to 48 sense pins
• 527 intersections (31 × 17)
❐ Reports up to ten fingers
❐ Small finger support down to 4 mm
❐ Large finger support up to 30 mm
❐ Refresh rate up to 300 Hz; other rates configurable
❐ TX frequency up to 500 kHz
❐ Best-in-class charger noise immunity
• Immunity up to 35-V peak-to-peak (V
PP
)
• Immunity to AT&T
®
Zero charger
■ Power (configuration-dependent)
❐ 1.71- to 1.95-V or 2.0- to 5.5-V digital and I/O supply
❐ 2.65- to 4.7-V analog supply
❐ 9-mW average power
❐ 10.7-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)
• On-cell touch-integrated display modules
• 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 100 and 400 kbps
❐ SPI slave bit rates up to 8 Mbps
■ Package
❐ 56-pin 6 × 6 × 0.6-mm QFN (0.35-mm lead pitch)
SUMMARY
CYTT21X/31X
(40, 44, 48 IOs)
Document Number: 001-93968 Rev. *C Page 2 of 4
Ordering Information
Table 1 lists the CYTT21X/31X TrueTouch touchscreen controllers. For information on other TrueTouch families, visit
http://www.cypress.com/truetouch.
Ordering Code Definitions
Table 1. Ordering Information
[1]
MPN Top Marking
Features
Package
Sense
I/O
Max
Touches
Charger
Armor
Glove
Easy
Wake
[2]
Passive
Stylus
CYTT21100-56LQI48(T) CYTT21000-56LQ 48 10
–––
56 QFN
CYTT21401-56LQI48(T) CYTT21000-56LQ 48 10

––
56 QFN
CYTT21403-56LQI48(T) CYTT21000-56LQ 48 10
 –
56 QFN
CYTT21100-56LQI44(T) CYTT21001-56LQ 44 10
–––
56 QFN
CYTT21401-56LQI44(T) CYTT21001-56LQ 44 10

––
56 QFN
CYTT21403-56LQI44(T) CYTT21001-56LQ 44 10
 –
56 QFN
CYTT21100-56LQI40(T) CYTT21001-56LQ 40 10
–––
56 QFN
CYTT21401-56LQI40(T) CYTT21001-56LQ 40 10

––
56 QFN
CYTT21403-56LQI40(T) CYTT21001-56LQ 40 10
 –
56 QFN
CYTT31702-56LQI48(T) CYTT31000-56LQ 48 10

56 QFN
Product Feature Set (see Ordering Information table)
Sensor Configuration:
1 = Discrete Sensors, SLIM, On-cell/AMOLED, On-cell
Market Segment:
2 = White goods and appliances
3 = Stylus enabled
Marketing Code: TT: TrueTouch
CY TT X 56
Y0Y
Package Type: LQI = QFN
-LQ
Number of Pins
I
Temperature Range: I = Industrial
Company ID: CY = Cypress
1
T: Tape and Reel
(T)
Number of Sense I/O
ZZ
Notes
1. All devices have the following base features: ChargerArmor, DualSense, CapSense buttons, Large Object Detection and Rejection, and Grip Suppression.
2. Easy-wake is a gesture made while the LCD is completely powered off to provide a quick and easy method to wake up a device and open a specific application.
These gestures include finger swiping and tracing alphanumeric symbols.
SUMMARY
CYTT21X/31X
(40, 44, 48 IOs)
Document Number: 001-93968 Rev. *C Page 3 of 4
Document History Page
Document Title: CYTT21X/31X (40, 44, 48 IOs) TrueTouch
®
Multi-Touch All-Points Touchscreen Controller Datasheet
Document Number: 001-93968
Revision ECN
Orig. of
Change
Submission
Date
Description of Change
** 4621131 SWU 01/14/2015 New datasheet.
*A 4670224 SWU 02/25/2015 Updated Document Title.
*B 4688471 SWU 03/25/2015 Updated Document Title.
Updated Features:
Replaced “Immunity up to 15-V peak-to-peak (V
PP
)” with “Immunity up to 35-V
peak-to-peak (V
PP
)”.
Updated Ordering Information:
Updated Table 1:
Updated part numbers.
Added a column “Top Marking”.
*C 5073152 ELG 01/05/2016 Updated Features:
Removed “Face detection up to 20 mm”.
Removed “Windows
®
Phone 8.1 driver”.
Updated Ordering Information:
Updated Table 1:
Updated part numbers.
Removed “Face Detection” column.
Updated Ordering Code Definitions.
Updated to new template.
Completing Sunset Review.
P1-P3P4-P4

CYTT21403-56LQI44

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Manufacturer:
Cypress Semiconductor
Description:
Touch Screen Controllers TrueTouch
Lifecycle:
New from this manufacturer.
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