AT42QT602240

AT42QT602240 Datasheet

maXTouch 224-channel Touchscreen Sensor IC mXT224 AT42QT602240 Summary

Part	Datasheet
AT42QT602240	AT42QT602240 (pdf)

PDF Datasheet Preview
• 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 inch diagonal screen size supported with 10 mm “pinch” separation Up to 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 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 Works with passive stylus • Panel Thickness Glass up to 3 mm, screen size dependent Plastic up to 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 mW, subject to configuration One Touch Active 80Hz mW, subject to configuration Sleep µW • Package 49-ball UFBGA 5 x 5 x mm, ball pitch 49-ball VFBGA 5 x 5 x 1 mm, ball pitch maXTouch 224-channel Touchscreen Sensor IC mXT224 AT42QT602240 Summary Note This is a summary document. A complete document is available under NDA. For more information contact Pinout and Schematic Pinout Configuration capa Top View 12 3 4 5 6 7 D QmTX6T02222440 Bottom View 765432 1 A B C D E F G Pinout Descriptions Table Ball A1 A2 A3 A4 A5 A6 A7 B1 B2 B3 B4 B5 B6 B7 C1 C2 C3 C4 C5 C6 Pin Listing Name AVDD Y12 Y10 Y8 Y6 Y4 Y2 X8 GND Y11 Y9 Y5 Y1 Y0 X10 X9 Y13 Y7 Y3 GND Type P I/O I/O I O P I/O I O I/O I P Comments Analog power Y line connection or X line in extended mode Y line connection or X line in extended mode Y line connection Y line connection Y line connection Y line connection X matrix drive line Ground Y line connection or X line in extended mode Y line connection Y line connection Y line connection Y line connection X matrix drive line X matrix drive line Y line connection or X line in extended mode Y line connection Y line connection Ground 2 mXT224 If Unused, Connect To... Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open mXT224 Table Ball C7 D1 D2 D3 D4 D5 D6 D7 E1 E2 E3 Pin Listing Continued Name Type AVDD RESET GPIO1 GPIO3/ MOSI SYNC/GPIO0

PDF Datasheet Preview

• 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 inch diagonal screen size supported with 10 mm “pinch” separation Up to 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 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 Works with passive stylus
• Panel Thickness Glass up to 3 mm, screen size dependent Plastic up to 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 mW, subject to configuration One Touch Active 80Hz mW, subject to configuration Sleep µW
• Package 49-ball UFBGA 5 x 5 x mm, ball pitch 49-ball VFBGA 5 x 5 x 1 mm, ball pitch
maXTouch 224-channel Touchscreen Sensor IC mXT224 AT42QT602240 Summary

Note This is a summary document. A complete document is available under NDA. For more information contact

Pinout and Schematic

Pinout Configuration
capa

Top View 12 3 4 5 6 7

D QmTX6T02222440

Bottom View 765432 1

A B C D E F G

Pinout Descriptions

Table Ball A1 A2 A3 A4 A5 A6 A7 B1 B2 B3 B4 B5 B6 B7 C1 C2 C3 C4 C5 C6

Pin Listing Name AVDD Y12 Y10 Y8 Y6 Y4 Y2 X8 GND Y11 Y9 Y5 Y1 Y0 X10 X9 Y13 Y7 Y3 GND

Type P I/O I/O I O P I/O I O I/O I P

Comments Analog power Y line connection or X line in extended mode Y line connection or X line in extended mode Y line connection Y line connection Y line connection Y line connection X matrix drive line Ground Y line connection or X line in extended mode Y line connection Y line connection Y line connection Y line connection X matrix drive line X matrix drive line Y line connection or X line in extended mode Y line connection Y line connection Ground
2 mXT224

If Unused, Connect To...

Leave open Leave open Leave open Leave open Leave open Leave open Leave open

Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open Leave open
mXT224

Table Ball C7 D1 D2 D3 D4 D5 D6 D7 E1 E2 E3

Pin Listing Continued

Name

Type

AVDD

RESET

GPIO1

GPIO3/ MOSI

SYNC/GPIO0

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived AT42QT602240 Datasheet file may be downloaded here without warranties.

Datasheet ID: AT42QT602240 519017