UR7HCDMP View Datasheet(PDF) - Semtech Corporation
Part Name
Description
Manufacturer
UR7HCDMP Datasheet PDF : 12 Pages
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USAR HulaCoderTM UR7HCDMP
USAR HulaPointTM - Ergonomic
Mouse PS2/RS232 Encoder
Mature
mousecoderTM product
specifications
Description
Features
The USAR HulaCoderTM
UR7HCDMP is an easy-to-use
single-chip encoder that interfaces
an innovative sensor developed by
Fujitsu. Together they make the
USAR HulaPointTM. Equipped with
an advanced motion algorithm, the
UR7HCDMP offers low power
consumption in a small footprint
package. The device can be linked
through either the serial or PS/2-
type mouse port of the host
system.
The UR7HCDMP is compatible with
the IBM and Microsoft two-button
and the Logitech three-button
mouse communication protocols.
The device will auto switch
between the Serial and the PS/2
mouse communication protocol
depending on the port to which the
device is actually connected.
Communication through the serial
port is half-duplex at a fixed speed
of 1200 Baud. PS/2 communication
is bidirectional at 10 kbps. The
USAR HulaCoderTM implements all
commands from and to the system,
as defined in the IBM PS/2 Mouse
Communication Protocol.
• Equipped with Advanced Motion
Control algorithm
• Low power consumption in a 3 to 6
Volt operating range
• Effortless and accurate cursor
control with 10 degree movement
in every direction
• Compatible with IBM/Microsoft two-
button and Logitech three-button
mouse
• Works with innovative proprietary
sensor technology developed by
Fujitsu Microelectronics
• Responds to feather-light touch
without resistance
• Small 18 pin plastic PDIP and SOIC
Packages available
• Autoselectable RS232 or P7S/2
hardware interface
• Customized versions available
Applications
• Embedded HulaPoints
• Industrial Panels
• Instrumentation
Pin Descriptions
CHX 1
18 CHY
RTSIN 2
17 PWRON
SER-OUT 3
16 OSCIN
RESETIN 4
15 OSCOUT
VSS (GND) 5 DIP/ 14 VDD (+V)
PS2CLK 6 SOIC 13 D/A-2
PS2DAT 7
12 D/A-1
RIGHTSW 8
11 D/A-0
LEFTSW 9
10 MIDDLESW
The UR7HCDMP is a CMOS device
operating at 4 MHz. The low-
power consumption of the IC
makes it suitable for battery
operated systems. Power in the
serial mode, as in any standard
mouse, can be drawn from the
RS232 lines of the host system.
Custom versions are available to
suit a wide range of pointing
device applications.
HulaCoderTM is a trademark of USAR Systems, Inc.
All other trademarks belong to their respective
companies.
USAR Datasheet
DOC7-DMP-DS-102
1
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