SUMMARY
CY8CTST241
CY8CTST242
TrueTouch
®
Single-Touch
Touchscreen Controller
TrueTouch
®
Single-Touch Touchscreen Controller
Features
■
■
TrueTouch
®
capacitive touchscreen controller
❐
True single-layer ITO sensor support – no bridges
• Lowers touchscreen system cost
❐
Single finger position reported
• X, Y positions and Z magnitude reported
❐
Screen sizes up to 3.6-inch diagonal
❐
Up to 32 sense pins
❐
Fat finger detection and tracking
❐
Large object detection
❐
Self-calibrating to environmental changes
❐
Resistant to display noise
❐
Robust operation in noisy RF environment
❐
1.71-V to 5.5-V input supply range
• Single supply voltage
• Compatible with 1.8-V I
2
C signaling
• Integrated voltage regulators – no need for dedicated
voltage regulators
Performance
❐
Noise-free resolution: 0.1 mm
❐
Accuracy with 1 finger on the touchscreen: 0.8 mm
❐
>110-Hz refresh rate with one finger on the touchscreen
❐
Best-in-class active power of 3.6 mW
❐
Best-in-class Low-Power state current: 0.7 mA
❐
Best-in-class Deep-Sleep state current: 100 nA
Extended feature set
❐
Water rejection – no false touches
❐
Capacitive buttons supported
❐
On-chip gesture detection
• Single-click, double-click
• One-finger pan gestures
• Two-finger pinch/zoom gestures
[1]
Sensor and system design
❐
Supports chip-on-flex and chip-on-board
❐
Supports plastic film and glass single-layer touch sensors
❐
Supports a variety of touchscreen sensor stackups
Communication interface
2
❐
I C slave up to 400 kbps
❐
SPI slave with 2 Mbps sustained data throughput
❐
Field upgrades through integrated bootloader
Host development kit (HDK)
❐
Android driver support
❐
Supports custom driver development
❐
TrueTouch host emulator – acts as host for early prototyping
Package
❐
30-ball 2.2 × 2.32 × 0.4 mm WLCSP
■
■
■
■
■
CY8CTST241/CY8CTST242 Block Diagram
V
DD
Sense
Pins
V
DD
V
DD
Display
TrueTouch
Controller
Sense
Pins
SCL
SDA
INT
Host
Processor
Single Layer ITO
Touchscreen
Cmod
V
SS
V
SS
Note
1. Pinch/zoom gestures are only supported on CY8CTST242.
Cypress Semiconductor Corporation
Document Number: 001-91041 Rev. *B
•
198 Champion Court
•
San Jose
,
CA 95134-1709
•
408-943-2600
Revised December 12, 2017
SUMMARY
CY8CTST241
CY8CTST242
Ordering Information
The following table lists the TrueTouch Standard Product Single Touch Touchscreen Controllers. For information on other TrueTouch
families, visit
http://www.cypress.com/truetouch.
Table 1. Device Ordering Information
TrueTouch
Typical Screen Size (in.) (4:3 Aspect Ratio)
Sensor
Supply Voltage Operating Range
On-chip Gesture Decoding
Minimum Interface Voltage
True Single Layer Sensor
Large Object Detection
Maximum Fingers
Maximum Nodes
Bootloader
Part Number
CP8CTST241-FNC-01T
CP8CTST242-FNC-01T
3.6
[2]
3.6
[2]
24
24
1
2
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
1.8
1.8
1.71–5.5
1.71–5.5
✔
✔
✔
✔
✔ ✔
30-ball WLCSP
✔ ✔
30-ball WLCSP
Ordering Code Definitions
Cx8 C TST 24x - FNC 01T
Feature Set:
01T = Basic feature set with “Tape and Reel”
Pins/Package Type:
FNC = 30-Ball 0.4 mm Height WLCSP, Commercial temperature grade
Sub-family Identifier:
241 = one finger tracking and reporting
242 = two finger tracking and reporting
Family Code:
TST = Single-Touch Controller
Technology Code:
C = CMOS
Marketing Code:
CP8 = Custom part Cypress PSoC
Note
2. A screen size of 3.6-inches is met using 6.1-mm pitch for 24-nodes devices and a 4.1-mm pitch for 32-node devices.
Document Number: 001-91041 Rev. *B
Package
Page 2 of 4
UART
Glass
Film
SPI
I
2
C
SUMMARY
Sales, Solutions, and Legal Information
Worldwide Sales and Design Support
CY8CTST241
CY8CTST242
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.
Products
ARM
®
Cortex
®
Microcontrollers
Automotive
Clocks & Buffers
Interface
Internet of Things
Memory
Microcontrollers
PSoC
Power Management ICs
Touch Sensing
USB Controllers
Wireless Connectivity
cypress.com/arm
cypress.com/automotive
cypress.com/clocks
cypress.com/interface
cypress.com/iot
cypress.com/memory
cypress.com/mcu
cypress.com/psoc
cypress.com/pmic
cypress.com/touch
cypress.com/usb
cypress.com/wireless
PSoC
®
Solutions
PSoC 1
|
PSoC 3
|
PSoC 4
|
PSoC 5LP
|
PSoC 6
Cypress Developer Community
Forums
|
WICED IOT Forums
|
Projects
|
Video
|
Blogs
|
Training
|
Components
Technical Support
cypress.com/support
© Cypress Semiconductor Corporation, 2014–2017. 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
(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
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
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
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, WICED, 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: 001-91041 Rev. *B
Revised December 12, 2017
Page 4 of 4
PSoC Designer™ is a trademark and TrueTouch® and PSoC® are registered trademarks of Cypress Semiconductor Corporation.
DIY/开源硬件专区
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
