BASIC Stamp FAQ

STAMP FAQS PROGRAMMING INFORMATION
Last Revised On: 7/21/00 Page: 23
Released Products Rev.D / BS1-IC BS2-IC BS2e-IC BS2SX-IC
Package PCB w/Proto / 14-pin SIP 24-pin DIP 24-pin DIP 24-pin DIP
Package Size (L x W x H) 2.5" x 1.5" x .5" / 1.4" x .6" x .1" 1.2" x 0.6" x 0.4" 1.2" x 0.6" x 0.4" 1.2" x 0.6" x 0.4"
Environment 0º - 70º C* (32º - 158º F) ** 0º - 70º C* (32º - 158º F) ** 0º - 70º C* (32º - 158º F) ** 0º - 70º C* (32º - 158º F) **
Microcontroller Microchip PIC16C56 Microchip PIC16C57 Scenix SX28AC Scenix SX28AC
Processor Speed 4 MHz 20 MHz 20 MHz 50 MHz
Program Execution Speed ~2,000 instructions/sec. ~4,000 instructions/sec. ~4,000 instructions/sec. ~10,000 instructions/sec.
RAM Size 16 Bytes (2 I/O, 14 Variable) 32 Bytes (6 I/O, 26 Variable) 32 Bytes (6 I/O, 26 Variable) 32 Bytes (6 I/O, 26 Variable)
Scratch Pad RAM N/A N/A 64 Bytes 64 Bytes
EEPROM (Program) Size 256 Bytes, ~80 instructions 2K Bytes, ~500 instructions 8 x 2K Bytes, ~4,000 inst. 8 x 2K Bytes, ~4,000 inst.
Number of I/O pins 8 16 + 2 Dedicated Serial 16 + 2 Dedicated Serial 16 + 2 Dedicated Serial
Voltage Requirements 5 - 15 vdc 5 - 15 vdc 5 - 12 vdc 5 - 12 vdc
Current Draw @ 5V 2mA Run / 20µA Sleep 8 mA Run / 100 µA Sleep 20 mA Run / 100 µA Sleep 60 mA Run / 200 µA Sleep
Source / Sink Current per I/O 20 mA / 25 mA 20 mA / 25 mA 30 mA / 30 mA 30 mA / 30 mA
Source / Sink Current per unit 40 mA / 50 mA 40 mA / 50 mA per 8 I/O pins 60 mA / 60 mA per 8 I/O pins 60 mA / 60 mA per 8 I/O pins
PBASIC Commands 32 36 39 39
PC Programming Interface Parallel Port Serial Port (9600 baud) Serial Port (9600 baud) Serial Port (9600 baud)
DOS Text Editor STAMP.EXE STAMP2.EXE STAMP2E.EXE STAMP2SX.EXE
Windows Text Editor N/A Stampw.exe (v1.04 and up) Stampw.exe (v1.096 and up) Stampw.exe (v1.091 and up)
* Industrial Models Available - Environment is -40º - 85º C (-40º - 185º F)**
** 70% Non-Condensing Humidity
Stamp Specifications
(revised 6/00)