CYTMA445A
SUMMARY
TrueTouch® Multi-Touch All-Points
Touchscreen Controller
Features
■
■
Multi-touch capacitive touchscreen controller
®
❐ 32-bit ARM Cortex™ CPU
❐ Register-configurable
❐ Noise-suppression technologies for battery charger and
display
• Effective 24-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™
❐ 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
❐ Grip suppression
❐ 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
■
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
❐ 4-mW average power
❐ 5.7-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)
• 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
2
❐ I C slave at 100 and 400 kbps
[1]
❐ SPI slave bit rates up to 8 Mbps
■
Package options
❐ 44-pin 5 × 5 × 0.6-mm QFN (0.35-mm lead pitch)
❐ 48-pin 6 × 6 × 0.6-mm QFN (0.4-mm lead pitch)
System performance (configuration dependent)
❐ Screen sizes up to 5.0-inch diagonal
• 4.8-mm sensor pitch; 16:9 aspect ratio
❐ Up to 36 sense pins
• 308 intersections (22 × 14)
❐ 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 (VPP)
• Immunity to AT&T® Zero charger noise
Note
1. SPI support is only available in 48-pin QFN package.
Cypress Semiconductor Corporation
Document Number: 001-90901 Rev. *D
•
198 Champion Court
•
San Jose, CA 95134-1709
•
408-943-2600
Revised June 21, 2016
SUMMARY
CYTMA445A
Ordering Information
Table 1 lists the CYTMA445A TrueTouch touchscreen controllers. For information on other TrueTouch families, visit
http://www.cypress.com/truetouch.
Table 1. Device Ordering Information[2]
Device Part Number
TrueTouch
Package
Part Number
Sense I/O
35-VPP
Charger
Armor
CYTMA445A-44LQI28AA(T)
28
✔
–
–
44-Pin QFN
CYTMA445A-44LQI33AA(T)
33
✔
–
–
44-Pin QFN
CYTMA445A-44LQI35AA(T)
35
✔
–
–
44-Pin QFN
CYTMA445A-48LQI36AA(T)
36
✔
–
–
48-Pin QFN
CYTMA445A-44LQI28AB(T)
28
✔
✔
–
44-Pin QFN
CYTMA445A-44LQI33AB(T)
33
✔
✔
–
44-Pin QFN
CYTMA445A-44LQI35AB(T)
35
✔
✔
–
44-Pin QFN
CYTMA445A-48LQI36AB(T)
36
✔
✔
–
48-Pin QFN
Advanced
Feature
CYTMA445A-44LQI35AE(T)
35
✔
✔
✔
44-Pin QFN
CYTMA445A-48LQI36AE(T)
36
✔
✔
✔
48-Pin QFN
Custom
(Reserved for Kits)
CYTMA445A-44LQI35ZZ(T)
35
✔
✔
✔
44-Pin QFN
CYTMA445A-48LQI36ZZ(T)
36
✔
✔
✔
48-Pin QFN
Segmentation
Base Part
DualSense
DualSense
Glove
Type
Ordering Code Definitions
CY TMA 445A - ##LQI ## XX (T)
T = Tape and Reel
Features (XX)
AA = Base
AB = Base Part + Water Rejection (DualSense)
AE = Base Part + Water Rejection (DualSense) + Face Detection
ZZ = Custom Development
Number of Sense I/O (XX): 28, 36, or 37
Pins/Package Type (ABCDE)
44LQI = 44-pin QFN
48LQI = 48-pin QFN
Part Number: 445A
Family Code: TMA = Multi-Touch All-Points Controller
Marketing Code: CY = Cypress PSoC
Notes
2. All devices have the following base features: ChargerArmor, CapSense buttons, Large Object Detection and Rejection, and Grip Suppression.
Document Number: 001-90901 Rev. *D
Page 2 of 4
SUMMARY
CYTMA445A
Document History Page
Document Title: CYTMA445A, TrueTouch® Multi-Touch All-Points Touchscreen Controller
Document Number: 001-90901
Revision
ECN
**
4379892
Orig. of Submission
Change
Date
SWU
Description of Change
05/14/2014
New datasheet.
*A
4427766
SWU
07/02/2014
Changed maximum VDDA supply from 5.5 V to 4.7 V.
Changed Deep Sleep power from 5.674 µW to 6.3 µW.
Changed charger noise (ChargerArmor) immunity from 15Vpp to 35 Vpp.
Fixed typo for supported Charger Armor voltage in Ordering Information table.
Fixed MPN sense I/O typo in Ordering Information table.
*B
4484730
SWU
08/27/2014
Added “Datasheet” to document title.
*C
4670224
SWU
02/25/2015
Fixed typo: Removed footnote link from External display synchronization on the front page.
Removed support for On-cell/hybrid in-cell touch-integrated display modules.
*D
5316805
ELG
06/21/2016
Updated Features.
Updated Ordering Information.
Updated CY Logo and Sales Disclaimer.
Document Number: 001-90901 Rev. *D
Page 3 of 4
SUMMARY
CYTMA445A
Sales, Solutions, and Legal Information
Worldwide Sales and Design Support
Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office
closest to you, visit us at Cypress Locations.
PSoC®Solutions
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cypress.com/arm
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cypress.com/clocks
cypress.com/interface
cypress.com/powerpsoc
cypress.com/memory
PSoC
Cypress Developer Community
Forums | Projects | Video | Blogs | Training | Components
Technical Support
cypress.com/support
cypress.com/psoc
Touch Sensing
cypress.com/touch
USB Controllers
Wireless/RF
PSoC 1 | PSoC 3 | PSoC 4 | PSoC 5LP
cypress.com/usb
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© Cypress Semiconductor Corporation, 2013-2016. This document is the property of Cypress Semiconductor Corporation and its subsidiaries, including Spansion LLC ("Cypress"). This document,
including any software or firmware included or referenced in this document ("Software"), is owned by Cypress under the intellectual property laws and treaties of the United States and other countries
worldwide. Cypress reserves all rights under such laws and treaties and does not, except as specifically stated in this paragraph, grant any license under its patents, copyrights, trademarks, or other
intellectual property rights. If the Software is not accompanied by a license agreement and you do not otherwise have a written agreement with Cypress governing the use of the Software, then Cypress
hereby grants you a personal, non-exclusive, nontransferable license (without the right to sublicense) (1) under its copyright rights in the Software (a) for Software provided in source code form, to
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(either directly or indirectly through resellers and distributors), solely for use on Cypress hardware product units, and (2) under those claims of Cypress's patents that are infringed by the Software (as
provided by Cypress, unmodified) to make, use, distribute, and import the Software solely for use with Cypress hardware products. Any other use, reproduction, modification, translation, or compilation
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OR ACCOMPANYING HARDWARE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. To the extent
permitted by applicable law, Cypress reserves the right to make changes to this document without further notice. Cypress does not assume any liability arising out of the application or use of any
product or circuit described in this document. Any information provided in this document, including any sample design information or programming code, is provided only for reference purposes. It is
the responsibility of the user of this document to properly design, program, and test the functionality and safety of any application made of this information and any resulting product. Cypress products
are not designed, intended, or authorized for use as critical components in systems designed or intended for the operation of weapons, weapons systems, nuclear installations, life-support devices or
systems, other medical devices or systems (including resuscitation equipment and surgical implants), pollution control or hazardous substances management, or other uses where the failure of the
device or system could cause personal injury, death, or property damage ("Unintended Uses"). A critical component is any component of a device or system whose failure to perform can be reasonably
expected to cause the failure of the device or system, or to affect its safety or effectiveness. Cypress is not liable, in whole or in part, and you shall and hereby do release Cypress from any claim,
damage, or other liability arising from or related to all Unintended Uses of Cypress products. You shall indemnify and hold Cypress harmless from and against all claims, costs, damages, and other
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Cypress, the Cypress logo, Spansion, the Spansion logo, and combinations thereof, PSoC, CapSense, EZ-USB, F-RAM, and Traveo are trademarks or registered trademarks of Cypress in the United
States and other countries. For a more complete list of Cypress trademarks, visit cypress.com. Other names and brands may be claimed as property of their respective owners.
Document Number: 001-90901 Rev. *D
Revised June 21, 2016
Page 4 of 4
ChargerArmor™ is a trademark and TrueTouch®, PSoC®, and CapSense® are registered trademarks of Cypress Semiconductor Corporation.
Purchase of I2C components from Cypress or one of its sublicensed Associated Companies conveys a license under the Philips I2C Patent Rights to use these components in an I2C system, provided
that the system conforms to the I2C Standard Specification as defined by Philips. As from October 1st, 2006 Philips Semiconductors has a new trade name - NXP Semiconductors.