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UR8HC007-0A4

Features: • Typically consumes less than 1A• Scans an 8 x 16 keyboard matrix that supports Japanese, English and European keyboards• Interfaces any four-wire or eightwire resistive touch screen• Operates continuously between 3 Volts and 5 Volts• Offers unique power ma...

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SeekIC No. : 004538517 Detail

UR8HC007-0A4: Features: • Typically consumes less than 1A• Scans an 8 x 16 keyboard matrix that supports Japanese, English and European keyboards• Interfaces any four-wire or eightwire resistive...

UR8HC007-0A4 Data Sheet

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Part Number:
UR8HC007-0A4
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Typically consumes less than 1A
• Scans an 8 x 16 keyboard matrix that supports Japanese, English and European keyboards
• Interfaces any four-wire or eightwire resistive touch screen
• Operates continuously between 3 Volts and 5 Volts
• Offers unique power management capabilities that work in harmony with Windows® CE power modes
• Always runs in "Stop" mode without data or event loss
• Provides a direct Zero-PowerTM PS/2 port for the hot-plug connection of an external keyboard or mouse
• Uses proprietary circuitry, so "Stop" mode is entered even when PS/2 device is connected & active
• GPIO pins provide interrupt at both falling and rising edge of signals, ideal for lid functions, power, ring indicators, docking signals, battery measurement, etc.
• Has additional GPIO available for LEDs, switches, etc.
• Offers internal control of LCD brightness/contrast, audio, etc. as well as four 10-bit A/D channels for power management monitoring
• Provides programmable features that allow for maximum design differentiation without customization
• Cost-effective, reducing overall system costs by integrating features that would typically require multiple components
• Available in 80-pin 13 x 13 mm, 1.7mm high package to accommodate slim designs


Application

• Jupiter-class devices
• Professional H/PCs
• H/PCs
• Web Phones, G3 Terminals


Pinout

Connection Diagram


Specifications

Ratings
Symbol
Value
Unit
Supply Voltage
Vdd
-0.3 to 7.0
V
All pins except 2-9
Vin
-0.3 to Vdd +0.3
V
Pins 2-9
(PS/2 ports XXXDAT, XXXCLK,
GIO16/SW16, GIO17/SW17)
VIN
-0.3 to +5.8
V
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 JunoTM A4 UR8HC007-0A4 is a member of a series of input device and power management companion ICs for RISC-based portable systems. On a single IC, the JunoTM A4 UR8HC007-0A4 integrates control of any 4-wire or 8-wire resistive touch screen, keyboard scanning, unique power management capabilities, a direct PS/2 port and plenty of General Purpose Input / Output (GPIO).

The JunoTM A4 UR8HC007-0A4 provides continuous operation between 3V and 5V and scans a fully programmable 8 X 16 keyboard matrix. The IC is equipped with a direct Zero-PowerTM PS/2 port for the hot-plug connection of an external PS/2 keyboard or mouse.

The Zero-PowerTM JunoTM A4 UR8HC007-0A4 will power down even between key presses. Proprietary circuitry (patent pending) allows the IC to power down even when the PS/2 device is connected and active.

Typical power consumption is less than 1 A, a first for embedded ICs. The JunoTM A4 UR8HC007-0A4 is equipped with a proprietary protocol developed specifically for RISC-based handheld machines. It interfaces the system via either asynchronous serial (UART) or the Serial Peripheral Interface (SPI).

The integration of features, many of them programmable, on one IC UR8HC007-0A4 increases flexibility and reduces component count and cost.




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