SUMMARY
CYTMA448
TrueTouch® Multi-Touch All-Points
Touchscreen Controller
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 (VPP)
• Immunity to AT&T Zero charger noise
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
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-V to 5.5-V digital and I/O supply
2.65-V to 5.5-V analog supply
❐ 8.5-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
❐
■ 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
Cypress Semiconductor Corporation
Document Number: 001-90890 Rev. *C
•
■ Communication interface
I2C 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
❐
❐
198 Champion Court
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)
•
San Jose, CA 95134-1709 • 408-943-2600
Revised May 26, 2016
SUMMARY
CYTMA448
Ordering Information
Table 1 lists the CYTMA448 TrueTouch touchscreen controllers. For information on other TrueTouch families, visit
http://www.cypress.com/truetouch.
Table 1. Device Ordering Information[1]
Segmentation
Part Number
Base Part
(Mutual Capacitance
Only)
Water Rejection
(DualSense)
Glove and
Water Rejection
(DualSense)
Custom / Kits
Ext
Sense
I/O
Typ Screen Size
(inches)
Charger
Armor
Configurable TX
Slew rate
CYTMA448-56LQI
44AA(T)
44
6.0
✔
✔
CYTMA448-70BUI
58AA(T)
58
7.9
✔
✔
CYTMA448-56LQI
44AB(T)
44
6.0
✔
–
CYTMA448-70BUI
48AB(T)
48
6.5
✔
–
CYTMA448-70BUI
54AB(T)
54
7.2
✔
–
CYTMA448-70BUI
58AB(T)
58
7.9
✔
–
CYTMA448-56LQI
44AW(T)
44
6.0
✔
✔
CYTMA448-70BUI
48AW(T)
48
6.5
✔
✔
CYTMA448-70BUI
54AW(T)
54
7.2
✔
✔
CYTMA448-70BUI
58AW(T)
58
7.9
✔
✔
CYTMA448-56LQI
44AE(T)
44
6.0
✔
✔
CYTMA448-70BUI
54AE(T)
54
7.2
✔
✔
CYTMA448-70BUI
58AE(T)
58
7.9
✔
✔
CYTMA448-56LQI
44ZX(T)
44
6.0
✔
✔
CYTMA448-70BUI
58ZX(T)
58
7.9
✔
✔
Ordering Code Definitions
CY TMA 448 - ##ZZ
I
YY XX
(T)
T: Tape and Reel
Extension:
AA = 20-V Charger Armor + Mutual Only
AB/AW = 20-V Charger Armor + DualSense
AE = 20-V Charger Armor + DualSense + Glove
ZX = Custom Development
Number of Sense I/O: 44, 48, 54, or 58
Temperature Range: I = Industrial
Pins/Package Type:
56LQ = 56-pin QFN
70BU = 70-ball BGA
Part Number: 448
Family Code: TMA = Multi-Touch All-Points Controller
Company ID: CY = Cypress
Notes
1. All devices have the following base features: 10-V TX, CapSense Buttons, Large Object Detection and Rejection, and Grip Suppression.
Document Number: 001-90890 Rev. *C
Page 2 of 3
SUMMARY
CYTMA448
Document History Page
Document Title: CYTMA448, TrueTouch® Multi-Touch All-Points Touchscreen Controller
Document Number: 001-90890
Rev.
ECN
Orig. of
Change
Submission
Date
**
4256331
KXK
01/30/2014
New datasheet.
*A
4392605
SWU
05/28/2014
Updated average power from 12 mW to 8.5 mW to match validated active power.
*B
4399204
SWU
06/04/2014
Added AB MPN.
*C
5284373
ELG
05/26/2016
Removed Windows Phone Support.
Revised grammar for charger noise.
Aligned charger noise support in order information table with features list.
Updated template.
Description of Change
Sales, Solutions, and Legal Information
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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.
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Microcontrollers
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cypress.com/arm
cypress.com/automotive
Clocks & Buffers
Interface
Lighting & Power Control
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cypress.com/clocks
cypress.com/interface
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cypress.com/memory
PSoC
Cypress Developer Community
Forums | Projects | Video | Blogs | Training | Components
Technical Support
cypress.com/support
cypress.com/psoc
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cypress.com/touch
USB Controllers
Wireless/RF
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cypress.com/usb
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© Cypress Semiconductor Corporation, 2014-2016. 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
modify and reproduce the Software solely for use with Cypress hardware products, only internally within your organization, and (b) to distribute the Software in binary code form externally to end users
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of the Software is prohibited.
TO THE EXTENT PERMITTED BY APPLICABLE LAW, CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS DOCUMENT OR ANY SOFTWARE
OR ACCOMPANYING HARDWARE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. To the extent
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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: 001-90890 Rev. *C
Revised May 26, 2016
ChargerArmor™ is a trademark and TrueTouch®, PSoC®, and CapSense® are registered trademarks of Cypress Semiconductor Corporation.
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