Microchip ATMXT2912TD-MK Manual

Microchip Ikke kategoriseret ATMXT2912TD-MK

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2022 Microchip Technology Inc. and its subsidiaries Product Brief DS40002426A-page 1
mXT2912TD-ATMK/
mXT2912TD-ABMK 1.0
Description
The mXT2912TD-ATMK/mXT2912TD-ABMK 1.0 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.
Automotive Applications
Microchip/Panasonic Knob Technology
Detect and report the detent (click position) of specific
capacitive mechanical rotary encoders (knobs)
mounted on the touch panel
Support for up to 4 Knob instances with different size
and number of detents (64 detents maximum)
Position and size of each knob is individually
configurable. No specific touch pattern required
Report relative detent position as well as the direction
of rotation
Configurable suppression area around the knob to
suppress accidental touches from fingers holding the
knob
Optional push/release function
Design guidance, tools and other services available
from Microchip and Panasonic
maXTouch® Adaptive Sensing Technology
Keys
Touch Sensor Technology
Discrete/out-cell support including glass and PET film-
based sensors
On-cell/touch-on display support including TFT, LCD
(ITPS, IPS) and OLED
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
P2P mutual capacitance measurements supported for
extra sensitive multi-touch sensing
Noise suppression technology to combat ambient and
power-line noise
Burst Frequency
- Flexible and dynamic Tx burst frequency selection
to reduce EMC disturbance
- Controlled Tx burst frequency drift over process
and temperature range
AEC-Q100 Qualified
CISPR 25 compliant
Up to 41 X (transmit) lines and 71 Y (receive) lines for
use by a touchscreen and/or 2 key arrays
A maximum of 2911 nodes can be allocated to the
touch sensor
Touchscreen size of 19.25 inches (16:9 aspect ratio),
assuming a sensor electrode pitch of 6 mm. The
achievable touchscreen size depends on the knob
requirements
Multiple touch support with up to 16 concurrent
touches tracked in real time depending on the number
of knobs implemented
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 (dependent on sensor size,
touch size, configuration, stack-up, and dimension and
number of detents of the knob)
Configuration and stack-up to be approved by
Microchip or a Microchip-qualified touch sensor
module partner
- 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


Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: ATMXT2912TD-MK

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