Microchip AR1021 Handleiding
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2009-2016 Microchip Technology Inc.DS40001393C-page 1
Special Features
•RoHS Compliant
•Power-Saving Sleep mode
•Industrial Temperature Range
•Built-in Drift Compensation Algorithm
•128 Bytes of User EEPROM
Power Requirements
•Operating Voltage: 2.5-5.0V ±5%
•Standby Current:
-5V: 85 µA, typical; 125 µA (maximum)
-2.5V: 40 µA, typical; 60 µA (maximum)
•Operating “No touch” Current:
-3.0 mA (typical)
•Operating “Touch” Current:
-17 mA, typical, with a touch sensor having
200 layers
-Actual current is dependent on the touch
sensor used
•AR1011/AR1021 Brown-Out Detection (BOR) set
to 2.2V
Touch Modes
•Off, Stream, Down, Up and more.
Touch Sensor Support
•4-Wire, 5-Wire and 8-Wire Analog Resistive
•Lead-to-Lead Resistance: 50-2,000typical)
•Layer-to-Layer Capacitance: 0-0.5 µF
•Touch Sensor Time Constant: 500 µs (maximum)
Touch Resolution
•10-bit Resolution (maximum)
Touch Coordinate Report Rate
•140 Reports Per Second (typical) with a Touch
Sensor of 0.02 µF with 200 Layers
•Actual Report Rate is dependent on the Touch
Sensor used
Communications
•SPI, Slave mode, p/n AR1021
• I2C, Slave mode, p/n, AR1021
•UART, 9600 Baud Rate, p/n AR1011
AR1000 SERIES RESISTIVE TOUCH
SCREEN CONTROLLER
AR1000 Series Resistive Touch Screen Controller
Product specificaties
| Merk: | Microchip |
| Categorie: | Niet gecategoriseerd |
| Model: | AR1021 |
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