AR1021

The Microchip mTouch™ AR1000 Series Resistive Touch Screen Controller is a complete, easy to integrate, cost-effective and universal touch screen controller chip solution. The AR1000 Series has sophisticated proprietary touch screen decoding algorithms to fully process all touch data and save the host from this overhead. More than the usual “preprocessing” features of other low cost devices, the AR1000 delivers reliable, validated and calibrated touch coordinates. Using its onboard EEPROM, the AR1000 can store and independently apply the calibration to the touch coordinates before sending them to the host. This unique combination makes the AR1000 the most resource efficient touch screen controller for embedded designs.

The AR1021 touch screen controller supports I2C™Compatible and SPI communication. Please reference the AR1011 touch screen controller for UART communication.

Features
  • Supports any manufacturer's 4-, 5-, or 8-wire analog resistive touch screen
  • I2C or SPI communication
  • 1024x1024 resolution
  • EEPROM calibration retention
  • Supports any size analog resistive touch screen, 1.5" - 24"
Parameter
Parameter Name Value Value
Product Type Analog Resistive Controller Analog Resistive Controller
Measurement Principle Resistance Resistance
Report Rate (pps) 140 140
Number of Touches 1 1
Power 3.3Vdc ±5%,5.5Vdc ±5% 3.3Vdc ±5%,5.5Vdc ±5%
Power Modes 2 2
Position Resolution 1024x1024 1024x1024
Interface I2C, SPI I2C, SPI
Features 4, 5, & 8 wire support 4, 5, & 8 wire support
Voltage Range 2.5V - 5.5V 2.5V - 5.5V
Documents
AR1000 Series Resistive Touch Screen Controller Data SheetData Sheets07/08/20162147KB
TB3063 SPI Communication with the AR1020 ControllerTech Briefs03/24/2010315KB
AR1000 AR1100 Configuration UtilitySoftware07/26/20127289KB
AR1020 AR1021 Linux SPI I2C Driver (Android Support)Software06/22/2012623KB
AR1020 SPI I2C WinCE 6.0 DriverSoftware08/02/2010237KB
AR1020/AR1021 Embedded Linux User DocumentUser Guides03/23/2015643KB
AR Configuration Utility (ARCU) User's GuideUser Guides07/27/2012632KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
AR1021-I/ML20QFN-40C to +85CTUBE1.921.761.591.471.39
AR1021-I/SO20SOIC-40C to +85CTUBE1.821.671.511.391.32
AR1021-I/SS20SSOP-40C to +85CTUBE1.671.531.381.271.21
AR1021T-I/ML20QFN-40C to +85CT/R2.021.851.681.541.47
AR1021T-I/SO20SOIC-40C to +85CT/R1.921.761.591.471.39
AR1021T-I/SS20SSOP-40C to +85CT/R1.771.621.471.351.28
相关开发工具
Similar Devices
AR1011Analog Resistive Controller$1.21UART
AR1021Analog Resistive Controller$1.21I2C, SPI
AR1100Analog Resistive Controller$1.53RS232, USB
RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
AR1021T-I/SO0.5420000.31187520SOIC.300inMatte Tine3
AR1021-I/SO0.5420000.97368420SOIC.300inMatte Tine3
AR1021T-I/ML0.0431000.21212120QFN4x4x0.9mmMatte Tine3
AR1021-I/ML0.0431000.07692320QFN4x4x0.9mmMatte Tine3
AR1021-I/SS0.1642000.34328420SSOP.209inMatte Tine3
AR1021T-I/SS0.1642000.41625020SSOP.209inMatte Tine3
AR1000 Series Resistive Touch Screen Controller Data Sheet AR1021
AR1000 Series Resistive Touch Screen Controller Data Sheet DV102011
AR1000 AR1100 Configuration Utility DV102012
AR1020 SPI I2C WinCE 6.0 Driver DV102011
AR1020/AR1021 Embedded Linux User Document DV102011
AR Configuration Utility (ARCU) User's Guide DV102012
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