UR7HCDMP-A-DW(V4) Ver la hoja de datos (PDF) - Semtech Corporation

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componentes Descripción

Fabricante

UR7HCDMP-A-DW
(Rev.:V4)

HulaPoint™ - Ergonomic Mouse PS2/RS232 Encoder

Semtech Corporation 

ORDERING CODE

Package options

18-pin SOIC

18-pin SOIC

Sensor

orientation

Inverted

Normal

Pitch

1.270 mm

1.270 mm

TA =

-40°C TO +85°C

UR7HCDMP-A-DW

UR7HCDMP-B-DW

Note: See the sensor orientation section for sensor orientation diagrams.

FUNCTIONAL DESCRIPTION

The HulaCoder™ consists functionally of five major sections (see Functional Diagram below). These are the Sensor

Interface, the Sixteen Bit Timer, the Oscillator Circuit, the PS/2 Communication Port and the RS232 Communication

Port. All sections communicate with each other and operate concurrently.

FUNCTIONAL DIAGRAM

LEFT MIDDLE RIGHT

BUTTON BUTTON BUTTON

Data Buffer

PS2CLK

PS2DAT

PS/2

Communication

Port

TXD

RS232

Communication

RTS

Port

Power-On Reset

Copyright ©1995-2002 Semtech Corporation

2

DOC7-DMP-DS-109

Switch Interface

X Input

CHX

Y Input

Control

HulaPoint Interface

CHY

Resolution

3 Enhancement D/A

Sensor Power

Strobe

16 bit Timer

Oscillator Circuit

OSCIN-OSCOUT

2

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