MXT641T datasheet(2/74 Pages) ATMEL

2 / 74 page

mXT641T 1.0 [Datasheet]

9917JX–AT42–02/15

Features

 Panel / Cover Glass Support

 Supports fully-laminated sensors, touch-on-lens stack-ups and on-cell designs

 Works with PET or glass, including curved profiles

 Glass from 0.55 mm to 2.5 mm, dependent on screen size and touch size

 Plastic from 0.2 mm to 1.2 mm, dependent on screen size and touch size

 Works with all proprietary sensor patterns recommended by Atmel

 Compatible with True Single Layer designs

 Keys

 Up to 32 nodes can be allocated as mutual capacitance sensor keys (subject to other configurations)

 Adjacent Key Suppression® (AKS®) technology is supported for false touch prevention



Power Saving

 Programmable timeout for automatic transition from active to idle states

 Pipelined analog sensing detection and digital processing to optimize system power efficiency

 Application Interfaces

 I2C-compatible slave mode: Standard/Fast mode 400 kHz, Fast-plus mode 1 MHz, High-speed mode up to 3.4 MHz

 HID-I2C interface for Microsoft® Windows® 8.x

 Interrupt to indicate when a message is available

 Power Supply

 Digital (Vdd) 3.3 V nominal

 Analog (AVdd) 3.3 V nominal

 Host interface I/O voltage (VddIO) 1.8 V to 3.3 V nominal

 High voltage internal X line drive (XVdd) = 2 × Vdd (6.6 V), with internal voltage doubler

 Packages

 84-ball UFBGA 6 × 6 × 0.6 mm, 0.5 mm pitch

 84-ball XFLGA 6 × 6 × 0.5 mm, 0.5 mm pitch

 Environmental Conditions

 Operating temperature –40

C to +85C

MXT641T 데이터시트(PDF) 2 Page - ATMEL Corporation