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UR7HCTS2-P840

Features: • Controller & digitizer in a single IC; o need for external A/D• Interfaces ANY 4- or 8-wire esistive touch screen to standard S/2 mouse port; regardless of ize, material or vendor• High-performance IC offers ccurate cursor control due to dvanced algorithms• ...

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SeekIC No. : 004538509 Detail

UR7HCTS2-P840: Features: • Controller & digitizer in a single IC; o need for external A/D• Interfaces ANY 4- or 8-wire esistive touch screen to standard S/2 mouse port; regardless of ize, material ...

UR7HCTS2-P840 Data Sheet

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Part Number:
UR7HCTS2-P840
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:

• Controller & digitizer in a single IC; o need for external A/D
• Interfaces ANY 4- or 8-wire esistive touch screen to standard S/2 mouse port; regardless of ize, material or vendor
• High-performance IC offers ccurate cursor control due to dvanced algorithms
• Low-power consumption, due to ophisticated power management tates, ideal for battery-operated ystems
• Highly resistant to RF & other oise sources
• Enables hot-plug connection of n external pointing device
• Wheelmouse functionality is upported in the external pointing evice
• Other interfaces available
• Embedded touch screen andexternal pointing device can perate concurrently with no erformance penalty
• Supports both absolute and elative (mouse-like) modes of peration
• For relative mode, no special rivers are needed; highfunctionality river available for bsolute mode
• Supports all commands defined n the IBM PS/2 Mouse ommunication Protocol, as ell as Semtech's extended PS/2 ommunication protocol with bsolute positioning support
• Available in a low-profile 32-pin QFP package
• Few external components required


Application

• Portable systems
• Notebooks and Laptops
• Interactive Kiosks
• Touch-enabled monitors


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-P840
Ta
T low to T high
-20 to +85
° C
° C
Storage Temperature Range
Tstg
-40 to +250
° C



Description

The ScreenCoderTM PS2 UR7HCTS2-P840 is a highperformance C that interfaces any or 8-wire resistive touch screento the standard PS/2 mouse port. ow-power and tiny, the single ICs UR7HCTS2-P840 ideal for portable systems, web hones and interactive kiosks. It offers an advanced algorithm for enhanced motion control as well as an extra port for hot-plug connection of an external PS/2 pointing device. Both the touch screen and the external device can be operated concurrently without any penalty.

The UR7HCTS2-P840 is equipped with a special command protocol that enables the touch screen to operate in either relative (mouselike) or absolute positioning mode.

Because the IC UR7HCTS2-P840 interfaces via the PS/2 mouse port, it can utilize any standard mouse driver when operating in relative mode. For absolute positioning, offers a highfunctionality driver which includes inking capabilities. Mice connected to the ScreenCoderTM PS2 external mouse port will always act in relative mode, even if the touch screen of UR7HCTS2-P840 is operating in the absolute mode. The PS/2 communication channel is bi-directional at 10 kbps.

The ScreenCoderTM PS2 UR7HCTS2-P840 offers builtin A/D. Touch detection and motion are handled in firmware, and no digitizer is required. The cost-effective solution requires few external components, allowing for a simple and real estate saving implementation.




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