|
AR1000_16 Datasheet, PDF (1/61 Pages) Microchip Technology – AR1000 Series Resistive Touch Screen Controller | |||
|
AR1000 SERIES RESISTIVE TOUCH
SCREEN CONTROLLER
AR1000 Series Resistive Touch Screen Controller
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 âNo touchâ Current:
- 3.0 mA (typical)
⢠Operating âTouchâ Current:
- 17 mA, typical, with a touch sensor having
200ï 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: 50-2,000ïï ï¨typical)
⢠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 200ï 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
ï£ 2009-2016 Microchip Technology Inc.
DS40001393C-page 1
|
▷ |