Datasheet

Stamp Specifications (revised 03/04)
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 PIC16C56c Microchip PIC16C57c 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)
Released Products BS2p24 -IC BS2p40 -IC BS2pe-IC Javelin Stamp
Package 24-pin DIP 40-pin DIP 24-pin DIP 24-pin DIP
Package Size (L x W x H) 1.2" x 0.6" x 0.4" 2.1" x 0.6" x 0.4" 1.2" x 0.6" x 0.4" 1.24" x 0.60" x 0.45"
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 Scenix SX48AC Scenix SX48AC Ubicom SX48AC Ubicom SX48AC
Processor Speed 20 MHz Turbo 20 MHz Turbo 8 MHz Turbo 25 MHz Turbo
Program Execution Speed ~12,000 instructions/sec. ~12,000 instructions/sec. ~6000/sec. ~8,500 instructions/sec.
RAM Size 38 Bytes (12 I/O, 26 Variable) 38 Bytes (12 I/O, 26 Variable) 38 Bytes (12 I/O, 26 Variable) 32768 Bytes
Scratch Pad RAM 128 Bytes 128 Bytes 128 Bytes N/A
EEPROM (Program) Size 8 x 2K Bytes, ~4,000 inst. 8 x 2K Bytes, ~4,000 inst. 16 x 2K Bytes (16 K for source) 32768 Bytes
Number of I/O pins 16 + 2 Dedicated Serial 32 + 2 Dedicated Serial 16 + 2 Dedicated Serial 16
Voltage Requirements
5 - 12 vdc 5 - 12 vdc 5 - 12 vdc 5 vdc (reg), 6-24 vdc (unreg)
Current Draw @ 5V 40 mA Run / 400 µA Sleep 40 mA Run / 400 µA Sleep 15mA Run / 60µA Sleep 60mA Run / 13mA Sleep
Source / Sink Current per I/O 30 mA / 30 mA 30 mA / 30 mA 30 mA / 30 mA 30 mA / 30 mA
Source / Sink Current per unit 60 mA / 60 mA per 8 I/O pins 60 mA / 60 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 55 55 55 0 (Java)
PC Programming Interface Serial Port Serial Port Serial Port Serial Port
DOS Text Editor STAMP2P.EXE STAMP2P.EXE N/A N/A
Windows Text Editor Stampw.exe (v1.1 and up) Stampw.exe (v1.1 and up) Stampw.exe (v1.33 and up) Javelin Stamp IDE
* 70% Non-Condensing Humidity
** Industrial Models Available, -40º - 85º C (-40º - 185º F). Order part# BS1I-IC or BS2I-IC.