Features
• maXTouch™ Touchscreen
– True 12-bit multi-touch with independent XY tracking for up to 10 concurrent
touches in real time with touch size reporting
– Up to 4.3 inch diagonal screen size supported with 10 mm “pinch” separation
– Up to 10.1 inch support with correspondingly wider “pinch”
• Number of Channels
– Up to 224 (subject to other configuration limitations)
– Electrode grid configurations up to 20 X by 10 Y lines supported (subject to 30
total pins and a maximum of 14 Y lines)
• maXTouch Touch Key Support
– Up to 32 channels can be allocated as fixed keys (subject to other configurations)
• Zero Additional Part Count
– 16 X by 14 Y matrix (224 channels) implementable with power bypass capacitors only
• Signal Processing
– Advanced digital filtering using both hardware engine and firmware
– Self-calibration
– Auto drift compensation
– Adjacent Key Suppression® (AKS™) technology
– Grip and face suppression
– Reports one-touch and two-touch gestures
– Down-scaling and clipping support to match LCD resolution
– Ultra-fast start-up and calibration for best user experience
– Supports axis flipping and axis switch-over for portrait and landscape modes
• Scan Speed
– Maximum single touch >250Hz, subject to configuration
– Configurable to allow power/speed optimization
– Programmable timeout for automatic transition from active to idle states
• Response Times
– Initial latency <10 ms for first touch from idle, subject to configuration
• Sensors
– Works with PET or glass sensors
– Works with all proprietary sensor patterns recommended by Atmel®
– Works with passive stylus
• Panel Thickness
– Glass up to 3 mm, screen size dependent
– Plastic up to 1.5 mm, screen size dependent
• Interface
– I2C-compatible slave mode 400 kHz
• Dual-rail Power
– Interface 1.8V to 3.3V nominal, analog 2.7V to 3.3V nominal
• Power Consumption
– Idle 80Hz: <1.8 mW, subject to configuration
– One Touch Active 80Hz: 3.9 mW, subject to configuration
– Sleep: 4.5 µW
• Package
– 49-ball UFBGA 5 x 5 x 0.6 mm, 0.65 ball pitch
– 49-ball VFBGA 5 x 5 x 1 mm, 0.65 ball pitch
– 48-pin QFN 6 x 6 x 0.6 mm, 0.4 mm pin pitch
MXT224
ATMEL
70000
N/A
MXT224
ATMEL/爱特梅尔
5000
BGA
MXT224
ATMEL
7500
QFN
MXT224
ATMEL/爱特梅尔
9850
BGA
MXT224
ATMEL/爱特梅尔
7500
QFN
MXT224
Atmel(爱特梅尔)
20094
NA
MXT224
ATMEL
3000
BGA
MXT224
ATMEL
26985
BGA
MXT224
MX
98192
BGA
MXT224
MX
18000
BGA
MXT224
MX
98900
BGA
MXT224
ATMEL
8560
BGA
MXT224
ATMEL
5000
BGA-49
MXT224
MX
19600
BGA
MXT224
ATMEL/爱特梅尔
100500
BGA