CYTMA445-44LQI33AEAT 数据手册
CYTMA445
SUMMARY
TrueTouch® Multi-Touch All-Points
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 28-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
• 10 fingers with thin glove (≤1-mm thick)
• 2 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
■ Power (configuration dependent)
❐ 1.71- to 5.5-V digital and I/O supply
❐ 2.65- to 5.5-V analog supply
❐ 6.75-mW average power
❐ 4.5-μW typical deep-sleep power
■ 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
• 299 intersections (23 × 13)
❐ Reports up to 10 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
❐ Fast first-touch response (13 ms)
❐ Charger noise immunity
• Immunity up to 35 peak-to-peak voltage (VPP)
• Immunity to AT&T Zero charger
■ 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)
Cypress Semiconductor Corporation
Document Number: 001-90907 Rev. *D
•
■ Sensor and system design (configuration dependent)
❐ Supports a variety of touchscreen sensors and stackups
• Manhattan, diamond, and Single Layer Independent
Multi-touch (SLIM®) patterns
• Sensor-on-lens (SOL)
• On-cell touch integrated display modules
• Plastic (PET) and glass sensor substrates
• LCD and AMOLED displays
❐ Single-layer flexible printed circuit (FPC) routing enabled by
flexible TX/RX configurations
■ Communication Interface
2
❐ I C slave at all standard bit rates
• 100 kbps, 400 kbps, 1 Mbps, and 3.4 Mbps
❐ SPI slave bit rate up to 10 Mbps
198 Champion Court
•
San Jose, CA 95134-1709 • 408-943-2600
Revised February 18, 2016
CYTMA445
SUMMARY
Ordering Information
Table 1 lists the CYTMA445 TrueTouch touchscreen controllers. For information on other TrueTouch® families, visit
http://www.cypress.com/truetouch.
Table 1. Device Ordering Information[1]
Device Part Number
Family
Base Features
Part Number
Sense
Pins
Typ Screen
Size
(inches)[2]
Max
Fingers
TX Slew
Rate
Control
Improved ESD
Performance
Glove
Package
Water Rejection
(DualSense)
CYTMA445-48LQI36AE(T)
36
5.0
10
–
–
✔
48-Pin QFN
Custom
Reserved for Kits
CYTMA445-44LQI33ZZ(T)
33
4.5
10
–
–
✔
44-Pin QFN
Base
Water Rejection
(DualSense)
Custom
Reserved for Kits
CYTMA445-44LQI28AAA(T)
28
3.9
10
✔
✔
–
44-Pin QFN
CYTMA445-44LQI33AAA(T)
33
4.5
10
✔
✔
–
44-Pin QFN
CYTMA445-48LQI36AAA(T)
36
5.0
10
✔
✔
–
48-Pin QFN
CYTMA445-44LQI33ABA(T)
33
4.5
10
✔
✔
–
44-Pin QFN
CYTMA445-48LQI36ABA(T)
36
5.0
10
✔
✔
–
48-Pin QFN
CYTMA445-44LQI33ACA(T)
33
4.5
10
✔
✔
–
44-Pin QFN
CYTMA445-48LQI36ACA(T)
36
5.0
10
✔
✔
–
48-Pin QFN
CYTMA445-44LQI33AEA(T)
33
4.5
10
✔
✔
✔
44-Pin QFN
CYTMA445-48LQI36AEA(T)
36
5.0
10
✔
✔
✔
48-Pin QFN
CYTMA445-44LQI33ZZA(T)
33
4.5
10
✔
✔
✔
44-Pin QFN
CYTMA445-48LQI36ZZA(T)
36
5.0
10
✔
✔
✔
48-Pin QFN
Ordering Code Definitions
CY TMA 445 -
##LQI ## XX
(A) (T)
T: Tape and Reel
A: TX Slew Rate Control
Features (XX)
AA = Base Part
AB/AC = Base Part + Water Rejection (DualSense)
AE = Base Part + Water Rejection (DualSense) + Glove
ZZ = Custom Development
Number of Sense I/O (##): 28, 33, or 36
Pins/Package Type (##LQI)
44LQI = 44-pin QFN
48LQI = 48-pin QFN
Part Number: 445
Family Code: TMA = Multi-Touch All-Points Controller
Marketing Code: CY = Cypress
Notes
1. All devices have the following base features: 10-V TX, ChargerArmor, CapSense buttons, Large Object Detection and Rejection, and Grip Suppression.
2. 4.7-mm pitch for screen sizes up to 4.9-inch diagonal, 4.8-mm pitch for 5.0-inch diagonal screen size, 16:9 aspect ratio. Larger screen sizes can be supported with a
larger pitch.
Document Number: 001-90907 Rev. *D
Page 2 of 3
SUMMARY
CYTMA445
Document History Page
Document Title: CYTMA445 TrueTouch® Multi-Touch All-Points Touchscreen Controller Datasheet
Document Number: 001-90907
Orig. of Submission
Change
Date
Revision
ECN
Description of Change
**
4267426
SWU
02/19/2014 New datasheet
*A
4379995
SWU
05/14/2014 Removed 24 I/O device
Updated refresh rate from 250 Hz to 300 Hz
*B
4392605
SWU
05/28/2014 Removed Proximity feature and related manufacturing part numbers.
Updated average power from 6.1 mW to 6.75 mW to match validated active power.
*C
4466944
SWU
08/08/2014 Added “Datasheet” to document title.
*D
5139587
ELG
02/18/2016 Updated Ordering Information.
Updated copyright information.
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
Products
Automotive
Clocks & Buffers
Interface
Lighting & Power Control
Memory
PSoC
Touch Sensing
USB Controllers
Wireless/RF
cypress.com/go/automotive
cypress.com/go/clocks
cypress.com/go/interface
cypress.com/go/powerpsoc
cypress.com/go/memory
cypress.com/go/psoc
cypress.com/go/touch
psoc.cypress.com/solutions
PSoC 1 | PSoC 3 | PSoC 4 | PSoC 5LP
Cypress Developer Community
Community | Forums | Blogs | Video | Training
Technical Support
cypress.com/go/support
cypress.com/go/USB
cypress.com/go/wireless
© 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 under its copyright rights in the Software, a personal, non-exclusive, nontransferable license (without the right to sublicense) (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 (either
directly or indirectly through resellers and distributors), solely for use on Cypress hardware product units. Cypress also grants you a personal, non-exclusive, nontransferable, license (without the right
to sublicense) 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 to the minimum
extent that is necessary for you to exercise your rights under the copyright license granted in the previous sentence. Any other use, reproduction, modification, translation, or compilation of the Software
is prohibited.
CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS DOCUMENT OR ANY SOFTWARE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 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 Company shall and hereby does release Cypress from any claim, damage, or other liability arising from or related to all Unintended Uses of Cypress products. Company shall indemnify
and hold Cypress harmless from and against all claims, costs, damages, and other liabilities, including claims for personal injury or death, arising from or related to any Unintended Uses of Cypress
products.
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: 001-90907 Rev. *D
Revised February 18, 2016
Charger Armor™ is a trademark and TrueTouch® is a registered trademark of Cypress Semiconductor Corporation.
Page 3 of 3