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Product Detailed Parameters
- Description：PSOC BASED - TRUETOUCH
- Series：PSOC™7XL
- Mfr：Infineon Technologies
- Package：Tray
- Touchscreen：2 Wire Capacitive
- Resolution (Bits)：-
- Interface：I2C
- Voltage Reference：-
- Voltage - Supply：1.71V ~ 1.95V, 3V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：128-LQFP
- Supplier Device Package：128-TQFP (14x20)
- Current - Supply：-
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The CYAT837AZA98-42002 is a PSoC™ Automotive Generation 7XL Multichip capacitive touchscreen controller designed for automotive applications. It features a 32-bit Arm® Cortex® CPU and supports up to 98 sense I/Os in a 128-pin TQFP package. The device operates with logic supplies of 1.71 V to 1.95 V and analog supplies of 3.0 V to 5.5 V, functioning within an ambient temperature range of -40°C to 85°C (Automotive-A). It includes integrated DSP, noise-suppression technologies, and AutoArmor for electromagnetic compatibility.
Feature Summary
- Multi-chip capacitive touchscreen controller with 32-bit Arm® Cortex® CPU
- Supports up to 98 sense pins and reports up to ten fingers
- Features DualSense for water rejection and wet-finger tracking
- Includes AutoArmor technology for improved electromagnetic emissions and immunity
Applications
- Automotive electronics touchscreens
- Multitouch display interfaces
- Glove-compatible input systems
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current documentation to ensure correct package type and temperature rating. Confirm that the required number of sense I/Os matches the 98-pin configuration listed for this part number. Check for any updates regarding the tape and reel versus tray packaging options.
Selection Notes
Select this component when a 128-pin TQFP package is required with support for up to 98 sense channels. Ensure the application environment falls within the Automotive-A temperature range of -40°C to 85°C. Verify that the system design accommodates the specified dual voltage supply requirements for logic and analog sections.
Part Context
This part belongs to the Infineon PSoC™ Automotive Generation 7XL Multichip family. It is specifically configured as a master controller with 98 sense I/Os. Other variants in the series offer different pin counts or slave configurations, but this specific model is optimized for high-channel-count touchscreen applications.
Replacement Considerations
Direct replacements within the same family include CYAT837AZS98-42002 for the extended temperature range (-40°C to 105°C) or CYAT847AZA98-42002 if a slave configuration is needed. Ensure the replacement maintains the 128-pin TQFP footprint and compatible software drivers.
