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© Parallax, Inc.  •   MoBoStamp-pe (2006.09.13) 

Page 1 of 9

 

 

MoBoStamp-pe BS2pe Motherboard (#28300) 

General Description 

The MoBoStamp-pe provides a compact, professional-grade platform for BASIC Stamp applications. With 
the  MoBoStamp-pe  and  the  assortment  of  available  daughterboards,  you  will  be  able  to  integrate  and 
package  one-off  or  multiple  application  systems  with  ease.  The  onboard  AVR  coprocessors  permit  the 
offloading  of  compute-intensive  and  background  tasks  from  the  BASIC  Stamp,  yielding  a  high 
performance level, while retaining the BASIC Stamp’s  ease of programming. They come preprogrammed 
for  digital  I/O,  analog  input,  pulse-width-modulated  output,  and  frequency  counting.  Each  coprocessor 
interfaces to both the BASIC Stamp and one daughterboard each and may be reprogrammed by the user. 
Potential uses include background serial I/O, floating point processing, and background servo pulsing. 
 

Before using your MoBoStamp-pe, please read and understand this entire document. 

Features 

• 

Compact size: designed to fit available packaging. 

• 

BS2pe BASIC Stamp chip for high performance with low current consumption. 

• 

32K x 8 EEPROM for program and data storage. 

• 

Built-in USB interface, capable of powering the entire board. 

• 

Two  sockets  for  plug-compatible  daughterboards,  enabling  the  easy  integration  of  sensors  and 
interface options. 

• 

Two  user-programmable  Atmel  AVR  coprocessors,  preprogrammed  for  digital  I/O,  PWM  output, 
analog input, and frequency measurement. 

• 

Multi-mode power sourcing: board can run from USB or external power. 

• 

Multiple Vdd levels: 3.3V and 5V, jumper selectable. 

• 

User-programmable multi-color LED for status indication. 

• 

Programming header for future interface to an SX-KEY. This will allow programming the SX chip 
directly. 

Application Ideas 

• 

Robotics 

• 

Remote Sensing 

• 

Data Acquisition 

• 

Industrial Control 

• 

Desktop Appliances 

What’s Included 

 

1 ea. MoBoStamp-pe Motherboard, preconfigured with:       
 

     

      4 ea. 3/16” dia. x 5/16” Threaded Standoffs 

 

     

       8 ea. 4-40 x 3/16” Panhead Machine Screws 

 
     

        3 ea. 2mm Jumpers 

Summary of Contents for MoBoStamp-pe BS2pe 28300

Page 1: ...tial uses include background serial I O floating point processing and background servo pulsing Before using your MoBoStamp pe please read and understand this entire document Features Compact size desi...

Page 2: ...enever external power is applied When the board is powered from the USB port the LED will come on once the board has been connected to a USB port and the onboard USB chip enumerated by the PC For appl...

Page 3: ...serial data in the background relieving the BASIC Stamp of the task SX Programming Header This six pin header includes all the signals plus RST required to reprogram the SX with something other than t...

Page 4: ...ition to the Vin line for socket A each daughterboard socket includes 5V Vdd Gnd and eight signal lines It is convenient to think of the signal lines in pairs Their functions can be described as follo...

Page 5: ...DI drivers necessary to operate the USB interface These can be obtained along with installation instructions here http www parallax com html_pages downloads software ftdi_drivers asp For programming t...

Page 6: ...n the built in ADC and PWM functions permit the coprocessors to serve as analog peripherals for motherboards that require analog interfacing Different daughterboards will require and be provided with...

Page 7: ...nfigured automatically by the loader program are Self programming Disabled Debug wire Disabled Brown out reset Enabled 2 7V Serial programming Enabled Preserve EEPROM during chip erase Enabled Watchdo...

Page 8: ...VR A port A2 A No P12 General purpose I O Shared with AVR A port A3 A No P13 Red LED Pull low to turn on none No P14 Green LED Pull low to turn on none No P15 Reserved for AVR programming DO NOT USE n...

Page 9: ...Parallax Inc MoBoStamp pe 2006 09 13 Page 9 of 9 Schematic...

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