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Semtech Corporation - Force Stick Encoder

Numéro de référence SH1201
Description Force Stick Encoder
Fabricant Semtech Corporation 
Logo Semtech Corporation 





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SH1201 fiche technique
PixiPoint® SH1201
Advanced “Click-to-Select”
No-Drift™ Force Stick Encoder
HID & SYSTEM MANAGEMENT PRODUCTS, MOUSECODER® FAMILY
DESCRIPTION
The PixiPoint® SH1201 mouse
encoder is a cost-effective, high-
functionality IC that interfaces a
force-stick sensor to a PS/2 or
serial port. Ideal for laptop or
palmtop use, the low-power
PixiPoint® uses an advanced
www.DataSheeatl4gUo.criotmhm for enhanced motion
control. The IC can be configured
as a standard 3-button mouse or
as a wheel mouse. The IC
provides an extra port for hot-plug
connection of an external PS/2
mouse, including one with wheel
function. The embedded sensor
and the external device can
operate concurrently.
The PixiPoint® includes a signal
conditioning circuit for a low cost,
simple and real estate-saving
implementation. Just a few low-
tolerance external components are
needed.
Typically consuming less than
4.5 mA, the PixiPoint® is ideal for
battery-operated systems.
FEATURES
• Advanced motion control algorithm
provides accurate cursor control
• Can be configured for PS/2 or
RS232 serial communication with
the host
• Can be configured as a standard
3-button mouse or a wheel mouse
• Complies with the Microsoft® Plug
and Play External COM Device
specification
• Click (select), double-click
(execute), and slow drag are
implemented in the IC – no special
driver support is required
• Provides built-in profiles to
interface popular force-stick
sensors from several
manufacturers
• Supports hot-plug connection of a
standard external PS/2 mouse,
with or without wheel function
• Works with standard Windows®
mouse drivers
• Works with most IBM force stick
drivers
• CleanStop™ feature means cursor
stops where it should
• In PS/2 mode, supports all
standard PS/2 commands
• Royalty-free and cost-effective
• Low power consumption:
4.5 mA (typical)
• 2.7 V–5.5 V operation over
extended temperature range
APPLICATIONS
• Notebooks/laptops
• Handhelds
• Keyboards
• Instrumentation
PIN ASSIGNMENTS
PS/2 communication is
bidirectional at 10 Kbps. The
PixiPoint® returns up to 100 mouse
reports per second, and is
compatible with the standard two-
button mouse protocol, the
standard three-button mouse
protocol, and the standard wheel
mouse protocols. It implements all
commands from and to the system
(as defined in the IBM PS/2 mouse
communication protocol).
The PixiPoint® also implements
most of the IBM force stick
extended commands, and works
with most IBM force stick drivers.
32
XP
YM
XM
YP
VREF
_RESET
VSS2
VDD
1
8
9
25
24
_MB/_UB
_LB
_DB
FDA
CDA
XYGSEL
MDAT/RTS
EMCLK
17
16
Semtech, the Semtech logo, PixiPoint, PixiCoder,
MouseCoder, CleanStop, EasyDrag, No-Drift, and
MicroBuddy are marks of Semtech Corporation.
All other marks belong to their respective owners.
Copyright ©1999-2003 Semtech Corporation
SH1201 data sheet v1.12 (2003-04)
1
www.semtech.com

PagesPages 16
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