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ATMXT2912TD-UW
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2023 Microchip Technology Inc. and its subsidiaries Product Brief DS40002460A-page 1
mXT2912TD-AxUW 1.1
Description
The mXT2912TD-AxUW 1.1 uses a unique charge-transfer acquisition engine to implement Microchip’s patented capacitive
sensing method. Coupled with a state-of-the-art CPU, the entire touchscreen sensing solution can measure, classify and track a
number of individual finger touches with a high degree of accuracy in the shortest response time. The mXT2912TD-AxUW 1.1
allows for both mutual and self capacitance measurements, with the self capacitance measurements being used to augment the
mutual capacitance measurements to produce reliable touch information.
Automotive Applications
maXTouch® Adaptive Sensing Technology
Keys
Touch Sensor Technology
• On-cell/touch-on display support including OLED and
LCD (ITPS, IPS)
• Discrete/out-cell support including glass and PET film-
based sensors
• Synchronization with display refresh timing capability
• Support for standard (for example, Diamond) and
proprietary sensor patterns (review of designs by
Microchip or a Microchip-qualified touch sensor
module partner is recommended)
Front Panel Material and Design
• Support for non-rectangular sensor designs (for
example, circular, rounded or with cutouts)
Touch Performance
• Moisture/Water Compensation
- No false touch with condensation or water drop
up to 22 mm diameter
- One-finger tracking with condensation or water
drop up to 22 mm diameter
• Mutual capacitance and self capacitance
measurements supported for robust touch detection
• P2P mutual capacitance measurements supported for
extra sensitive multi-touch sensing
• Noise suppression technology to combat ambient and
power-line noise
• AEC-Q100 Qualified
• CISPR 25 compliant (for both mutual and self
capacitance measurements)
• Microchip has patents related to the Ultrawide Touch
technology. The touch sensor, which will be developed
by the customer, its partners, and/or Microchip for
Ultrawide touch programs, can only be part of a touch
solution that incorporates a Microchip touchscreen
controller to implement the relevant functionality.
• Single ultrawide touchscreen up to 20 X lines by
142 Y lines, made up of 40 X by 71 Y in a multiplexed
arrangement (subject to configuration)
• Touchscreen size 34 inches (7:1 aspect ratio),
assuming a sensor electrode pitch of 6 mm. Other
sizes are possible with different electrode pitches and
appropriate sensor material. Other sizes are possible
with different electrode pitches and appropriate sensor
material
• Multiple touch support with up to 16 concurrent
touches tracked in real time
• Up to 32 nodes can be allocated as mutual
capacitance sensor keys in addition to the
touchscreen, defined as 2 key arrays (subject to
availability of X and Y lines and other configurations)
• Adjacent Key Suppression (AKS) technology is
supported for false key touch prevention
• Works with PET or glass, including curved profiles
(configuration and stack-up to be approved by
Microchip or a Microchip-qualified touch sensor
module partner)
• 10 mm glass (or 5 mm PMMA) with bare finger
(dependent on sensor size, touch size, configuration
and stack-up)
• 6 mm glass (or 3 mm PMMA) with multi-nger 5 mm
glove (2.7 mm PMMA equivalent) (dependent on
sensor size, touch size, configuration and stack-up)
- Up to 240 VPP between 1 Hz and 1 kHz sinusoidal
waveform (no touches)
- Up to 20 VPP between 1 kHz and 1 MHz
sinusoidal waveform
maXTouch 2911-node Touchscreen Controller
Product Brief
Produktspecifikationer
| Varumärke: | Microchip |
| Kategori: | Inte kategoriserad |
| Modell: | ATMXT2912TD-UW |
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