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UR7HCTS2-S840

Features: • Touch screen controller / digitizer in a single, small footprint IC• Interfaces the system via either Serial Peripheral Interface (SPI) and Asynchronous Serial Interface• Works with any 4- or 8-wire resistive touch screen, regardless of size, material or vendor•...

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SeekIC No. : 004538510 Detail

UR7HCTS2-S840: Features: • Touch screen controller / digitizer in a single, small footprint IC• Interfaces the system via either Serial Peripheral Interface (SPI) and Asynchronous Serial Interface̶...

UR7HCTS2-S840 Data Sheet

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Part Number:
UR7HCTS2-S840
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/22

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Product Details

Description



Features:

• Touch screen controller / digitizer in a single, small footprint IC
• Interfaces the system via either Serial Peripheral Interface (SPI) and Asynchronous Serial Interface
• Works with any 4- or 8-wire resistive touch screen, regardless of size, material or vendor
• Provides high resolution of 1000 points per axis and a sampling rate of 200Hz
• Accurate, quick touch response due to advanced sampling technology and patented algorithms
• Zero-PowerTM operation - IC typically consumes less than 1A
• Highly resistant to RF and other noise sources
• Uses sophisticated power management for maximum power savings
• Offers external PS/2 port for the hot-plug connection of an external PS/2 pointing device
• Capable of providing other features, such as battery monitoring and GPIO
• PS/2 and USB interfaces available
• Available in small 7mm X 7mm 32-pin LQFP package


Application

• Wireless Internet Appliances
• Handheld PCs (H/PCs)
• Web Phones
• Portable Systems


Pinout

Connection Diagram


Specifications

Ratings
Symbol
Value
Unit
Supply Voltage
Vdd
-0.3 to 7.0
V
Input Voltage
All input pins
Vin
Vss -0.3 to Vdd +0.3
V
Current Drain per Pin
(not including Vss or Vdd)
I
20
mA
Operating Temperature
UR7HCTS2-S840
Ta
T low to T high
-20 to +85
° C
° C
Storage Temperature Range
Tstg
-40 to +250
° C



Description

The ScreenCoderTM SPI/Serial UR7HCTS2-S840 is a touch screen controller and integrated digitizer IC designed specifically for RISC-based systems, such as wireless Internet appliances. The small, single footprint IC interfaces the system via either the Serial Peripheral Interface (SPI) or Asynchronous Serial Interface.

Unlike simple A/D implementations, the ScreenCoderTM SPI/Serial UR7HCTS2-S840 does not require complicated software drivers and no processing burden is placed on the CPU. Due to the IC UR7HCTS2-S840's superior data processing and sampling rate, the ScreenCoderTM SPI/Serial UR7HCTS2-S840 is ideal for use in systems requiring handwriting recognition. Patented-power management techniques are also implemented so that the IC only consumes 1uA of current most of the time, even with the external mouse connected.

The IC UR7HCTS2-S840 operates at 3 to 5 Volts. Features of Semtech's motion algorithm include resistance to RF and other noise which provides smooth and precise motion control.

The UR7HCTS2-S840 also works flawlessly with any 4 or 8-wire touch screen, regardless of size or manufacturer.

The cost-effective solution UR7HCTS2-S840 requires few external components, allowing for a simple and real estate saving implementation.




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