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Product Detailed Parameters
- Description：MAXTOUCH 224-NODE TOUCHSCREEN CO
- Series：-
- Mfr：Atmel
- Package：Bulk
- Touchscreen：2 Wire Capacitive
- Resolution (Bits)：12 b
- Interface：I2C
- Voltage Reference：Internal
- Voltage - Supply：1.71V, 2.57V ~ 3.47V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：49-UFBGA
- Supplier Device Package：49-UFBGA (5x5)
- Current - Supply：-
- Grade：-
- Qualification：-
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Overview
The ATMXT224-CCU is a maXTouch touchscreen sensor IC manufactured by Microchip Technology (formerly Atmel). It supports up to 224 channels, enabling multi-touch interfaces with independent XY tracking for up to 10 concurrent touches. The device features advanced signal processing including self-calibration, auto drift compensation, and Adjacent Key Suppression technology. It operates within a specified temperature range and supports various sensor types such as PET or glass panels.
Feature Summary
- Supports up to 224 channels with electrode grid configurations up to 20 X by 10 Y lines.
- Enables true 12-bit multi-touch with independent XY tracking for up to 10 concurrent touches.
- Includes advanced digital filtering, self-calibration, and auto drift compensation.
- Supports gesture recognition including one-touch and two-touch gestures.
Applications
- Touchscreen controllers for displays up to 10.1 inches diagonal.
- Multi-touch interfaces requiring pinch separation support.
- Devices utilizing PET or glass sensor panels.
Part Context
The ATMXT224-CCU belongs to the maXTouch family of touchscreen controllers. It is designed to replace resistive touch solutions with capacitive multi-touch capabilities. The part number suffix 'CCU' typically denotes specific packaging and temperature grade variations within the MXT224 series.
FAQ
What is the maximum screen size supported by the ATMXT224?
The device supports screens up to 10.1 inches diagonal, with specific pinch separation capabilities depending on the configuration.
Does the ATMXT224 support passive stylus input?
Yes, the device works with passive stylus inputs in addition to finger touch.
How many concurrent touches can be tracked?
The ATMXT224 supports independent XY tracking for up to 10 concurrent touches in real time.
