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AR1000 の電気的特性と機能

AR1000のメーカーはMicrochip Technologyです、この部品の機能は「Resistive Touch Screen Controller」です。


製品の詳細 ( Datasheet PDF )

部品番号 AR1000
部品説明 Resistive Touch Screen Controller
メーカ Microchip Technology
ロゴ Microchip Technology ロゴ 




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AR1000 Datasheet, AR1000 PDF,ピン配置, 機能
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 “No touch” Current:
- 3.0 mA (typical)
• Operating “Touch” Current:
- 17 mA, typical, with a touch sensor having
200layers
- 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: 50-2,000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 200Layers
• 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
2009-2016 Microchip Technology Inc.
DS40001393C-page 1

1 Page





AR1000 pdf, ピン配列
AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER
1.0 DEVICE OVERVIEW
The Microchip mTouch® AR1000 Series Resistive
Touch Screen Controller is a complete, easy to
integrate, cost-effective and universal touch screen
controller chip.
The AR1000 Series has sophisticated proprietary
touch screen decoding algorithms to process all touch
data, saving the host from the processing overhead.
Providing filtering capabilities beyond that of other
low-cost devices, the AR1000 delivers reliable,
validated, and calibrated touch coordinates.
Using the on-board EEPROM, the AR1000 can store
and independently apply the calibration to the touch
coordinates before sending them to the host. This
unique combination of features makes the AR1000 the
most resource-efficient touch screen controller for
system designs, including embedded system
integrations.
FIGURE 1-1:
BLOCK DIAGRAM
1.1 Applications
The AR1000 Series is designed for high volume, small
form factor touch solutions with quick time to market
requirements – including, but not limited to:
• Mobile communication devices
• Personal Digital Assistants (PDA)
• Global Positioning Systems (GPS)
• Touch Screen Monitors
• KIOSK
• Media Players
• Portable Instruments
• Point of Sale Terminals
FIGURE 1-2:
PIN DIAGRAM
AR1000 Series (SSOP, SOIC)
1 VDD
2 M1
3 SY-
4 M2
5 WAKE
6 SIQ
7 SY+
8 SS
9 SDO
10 NC
VSS 20
X- 19
X+ 18
5WSX- 17
Y- 16
Y+ 15
SX+ 14
SDI/SDA/RX 13
NC 12
SCK/SCL/TX 11
2009-2016 Microchip Technology Inc.
AR1000 Series (QFN)
1 M2
2 WAKE
3 SIQ
4 SY+
5 SS
X+ 15
5WSX- 14
Y- 13
Y+ 12
SX+ 11
DS40001393C-page 3


3Pages


AR1000 電子部品, 半導体
AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER
2.3 4-Wire Sensor
A 4-wire resistive touch sensor consists of a stable and
flex layer, electrically separated by spacer dots. The
layers are assembled perpendicular to each other. The
touch position is determined by first applying a voltage
gradient across the flex layer and using the stable layer
to measure the flex layer’s touch position voltage. The
second step is applying a voltage gradient across the
stable layer and using the flex layer to measure the
stable layer’s touch position voltage.
The measured voltage at any position across a driven
axis is predictable. A touch moving in the direction of
the driven axis will yield a linearly changing voltage. A
touch moving perpendicular to the driven axis will yield
a relatively unchanging voltage (See Figure 2-1).
FIGURE 2-1:
4-WIRE DECODING
DS40001393C-page 6
2009-2016 Microchip Technology Inc.

6 Page



ページ 合計 : 30 ページ
 
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共有リンク

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部品番号部品説明メーカ
AR1000

Resistive Touch Screen Controller

Microchip Technology
Microchip Technology


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