32350 Parallax Inc, 32350 Datasheet - Page 2

• Manufacturer Part Number: 32350
• Description: MOUSE OPTICAL PARALLAX PS/2
• Manufacturer: Parallax Inc
• Type: Mouser

Specifications of 32350

• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Dimensions
Dimensions are approximate and subject to minor changes based on component availability.
Example Programs and Applications
Propeller Microcontroller – Test Parallax PS/2 Keyboard
This application tests the Parallax PS/2 keyboard connected to Propeller chip I/O pins P26 and P27 and
displays the characters entered in the Parallax Serial Terminal. This program relies on the Keyboard and
FullDuplexSerial objects, which are included in the Propeller Tool software’s Propeller Library.
Parallax Serial Terminal is available for free from the Downloads link at www.parallax.com/Propeller.
If you waited more than 1 second after the Propeller Tool finished loading the program, you might not
see the “Type characters on the PS2 Keyboard:” message.
Copyright © Parallax Inc.
Schematic for Test Parallax Keyboard.spin
Set the Parallax Serial Terminal’s Com Port to your Propeller microcontroller’s programming port.
Set the Parallax Serial Terminal’s baud rate to 57600.
Use the Propeller Tool software to load Test Parallax Keyboard.spin into the Propeller chip.
You can click the Parallax Serial Terminal’s Enable button immediately after starting the Propeller
Tool software’s Load EEPROM feature. The Parallax Serial Terminal will automatically wait for the
Propeller Tool to finish before opening the Com Port.
To display the “Type characters…” message, you can restart the program by holding your
computer keyboard’s CTRL key and clicking the Parallax Serial Terminal’s DTR checkbox.
DAT
5V
PS/2 to Breadboard Adapter (#28060)
GND
CLK
v1.0 7/3/2008 Page 2 of 5
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