maXTouch 112-node Touchscreen Controller Product Brief
●The mXT112UD-MAUHA1 1.0 uses a unique charge-transfer acquisition engine to implement Microchip's patented capacitivesensing method. Coupled with a state-of-the-art CPU, the entire touchscreen sensing solution can measure, classify and track anumber of individual finger touches with a high degree of accuracy in the shortest response time. The mXT112UD-MAUHA1 1.0allows for both mutual and self capacitance measurements, with the self capacitance measurements being used to augment themutual capacitance measurements to produce reliable touch information.
■Functional Safety
● UL/IEC 60730 Class B support
● Self diagnostics at power-on and as periodic tests during operation
● Heartbeat (alive) signal output to host
● Safety manual available
■maXTouch® Adaptive Sensing Touchscreen Technology
● Up to 14 X (transmit) lines and 24 Y (receive) lines for use by a touchscreen
● A maximum of 112 nodes can be allocated to the touch sensor
● Touchscreen size of 4.47 inches (2:1 aspect ratio), assuming a sensor electrode pitch of 6.5 mm. Other sizes are possible with different electrode pitches and appropriate sensor material
● Multiple touch support with up to 10 concurrent touches tracked in real time
■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
● 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 screen size, touch size, configuration and stack-up)
● 6 mm glass (or 3 mm PMMA) with multi-finger 5 mm glove (2.7 mm PMMA equivalent) (dependent on screen size, touch size, configuration and stack-up)
● Support for non-rectangular sensor designs (for example, circular, rounded or with cutouts)
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mXT112UD-MAUHA1 1.0 、 maXTouch 112-node 、 maXTouch® 、 ATMXT112UD-MAURHA1 |
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Supplier and Product Introduction |
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Please see the document for details |
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XQFN |
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English Chinese Chinese and English Japanese |
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October 2020 |
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Revision A |
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DS40002274A |
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138 KB |
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