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SX8663 - Capacitive Button Matrix (up to 36) and Proximity Controller

General Description

The SX8663 is an ultra low power, fully integrated 12-channel solution for capacitive touch-button matrix (up to 36 keys) and proximity applications.

Key Features

  • dedicated capacitive sense inputs (that requires no external components) in addition to 8 general purpose I/O ports (GPIO) which can be used to drive up to 30 matrix LEDs (i. e. one per key). Each of the on-chip GPIO/LED driver is equipped with independent PWM source for enhanced visual effect such as dimming, and breathing. The SX8663 includes a capacitive 10 bit ADC analog interface with automatic compensation up to 100pF. The high resolution capacitive sensing supports a wide variety of touch.

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Datasheet Details

Part number SX8663
Manufacturer SEMTECH
File Size 1.10 MB
Description Capacitive Button Matrix (up to 36) and Proximity Controller
Datasheet download datasheet SX8663 Datasheet

Full PDF Text Transcription for SX8663 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for SX8663. For precise diagrams, and layout, please refer to the original PDF.

SX8663 Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output ADVANCED COMMUNICATIONS & SENSING GENERAL DESCRIPTION Th...

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Buzzer Output ADVANCED COMMUNICATIONS & SENSING GENERAL DESCRIPTION The SX8663 is an ultra low power, fully integrated 12-channel solution for capacitive touch-button matrix (up to 36 keys) and proximity applications. Unlike many capacitive touch solutions, the SX8663 features dedicated capacitive sense inputs (that requires no external components) in addition to 8 general purpose I/O ports (GPIO) which can be used to drive up to 30 matrix LEDs (i.e. one per key). Each of the on-chip GPIO/LED driver is equipped with independent PWM source for enhanced visual effect such as dimming, and breathing.

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