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
www.semtech.com