Stamp Specifications
(revised 02/10)
Released Products
Package
Package Size (L x W x H)
Environment *
Microcontroller
Processor Speed
Program Execution Speed
RAM Size
Scratch Pad RAM
EEPROM (Program) Size
Number of I/O pins
Voltage Requirements
Current Draw @ 5V
Source / Sink Current per I/O
Source / Sink Current per unit
PBASIC Commands***
PC Programming Interface
Windows Text Editor
Rev.Dx / BS1-IC
PCB w/Proto / 14-pin SIP
2.5" x 1.5" x .5" / 1.4" x .6" x .1"
-40º to + 85º C (-40º to + 185º F) **
Microchip PIC'56
4 MHz
~2,000 instructions/sec.
16 Bytes (2 I/O, 14 Variable)
N/A
256 Bytes, ~80 instructions
8
5 - 15 vdc
1 mA Run / 25 µA Sleep
20 mA / 25 mA
40 mA / 50 mA
32
Serial (w/BS1 Serial Adapter)
Stampw.exe (v2.1 and up)
24-pin DIP
BS2-IC
24-pin DIP
1.2" x 0.6" x 0.4"
-40º to + 85º C (-40º to + 185º F) **
Microchip PIC'57
20 MHz
~4,000 instructions/sec.
32 Bytes (6 I/O, 26 Variable)
N/A
2K Bytes, ~500 instructions
16 + 2 Dedicated Serial
5 - 15 vdc
3 mA Run / 50 µA Sleep
20 mA / 25 mA
40 mA / 50 mA per 8 I/O pins
42
Serial (9600 baud)
Stampw.exe (v1.04 and up)
BS2e-IC
24-pin DIP
1.2" x 0.6" x 0.4"
-40º to + 85º C (-40º to + 185º F) **
Parallax SX28
20 MHz
~4,000 instructions/sec.
32 Bytes (6 I/O, 26 Variable)
64 Bytes
8 x 2K Bytes, ~4,000 inst.
16 + 2 Dedicated Serial
5 - 12 vdc
25 mA Run / 200 µA Sleep
30 mA / 30 mA
60 mA / 60 mA per 8 I/O pins
45
Serial (9600 baud)
Stampw.exe (v1.096 and up)
BS2sx-IC
1.2" x 0.6" x 0.4"
-40º to + 85º C (-40º to + 185º F) **
Parallax SX28
50 MHz
~10,000 instructions/sec.
32 Bytes (6 I/O, 26 Variable)
64 Bytes
8 x 2K Bytes, ~4,000 inst.
16 + 2 Dedicated Serial
5 - 12 vdc
60 mA Run / 500 µA Sleep
30 mA / 30 mA
60 mA / 60 mA per 8 I/O pins
45
Serial (9600 baud)
Stampw.exe (v1.091 and up)
Released Products
Package
Package Size (L x W x H)
Environment *
Microcontroller
Processor Speed
Program Execution Speed
RAM Size
Scratch Pad RAM
EEPROM (Program) Size
Number of I/O pins
Voltage Requirements
Current Draw @ 5V
Source / Sink Current per I/O
Source / Sink Current per unit
PBASIC Commands***
PC Programming Interface
Windows Text Editor
24-pin DIP
BS2p24-IC
40-pin DIP
1.2" x 0.6" x 0.4"
-40º to + 85º C (-40º to + 185º F) **
Parallax SX48
20 MHz Turbo
~12,000 instructions/sec.
38 Bytes (12 I/O, 26 Variable)
128 Bytes
8 x 2K Bytes, ~4,000 inst.
16 + 2 Dedicated Serial
5 - 12 vdc
40 mA Run / 350 µA Sleep
30 mA / 30 mA
60 mA / 60 mA per 8 I/O pins
61
Serial (9600 baud)
Stampw.exe (v1.1 and up)
BS2p40-IC
24-pin DIP
2.1" x 0.6" x 0.4"
0º - 70º C (32º - 158º F) **
Parallax SX48
20 MHz Turbo
~12,000 instructions/sec.
38 Bytes (12 I/O, 26 Variable)
128 Bytes
8 x 2K Bytes, ~4,000 inst.
32 + 2 Dedicated Serial
5 - 12 vdc
40 mA Run / 350 µA Sleep
30 mA / 30 mA
60 mA / 60 mA per 8 I/O pins
61
Serial (9600 baud)
Stampw.exe (v1.1 and up)
BS2pe-IC
24-pin DIP
1.2" x 0.6" x 0.4"
0º - 70º C (32º - 158º F) **
Parallax SX48
8 MHz Turbo
~6000/sec.
38 Bytes (12 I/O, 26 Variable)
128 Bytes
16 x 2K Bytes (16 K for source)
16 + 2 Dedicated Serial
5 - 12 vdc
15 mA Run / 150 µA Sleep
30 mA / 30 mA
60 mA / 60 mA per 8 I/O pins
61
Serial (9600 baud)
Stampw.exe (v1.33 and up)
BS2px-IC
1.2" x 0.6" x 0.4"
0º - 70º C (32º - 158º F) **
Parallax SX48
32 MHz Turbo
~19,000 instructions/sec.
38 Bytes (12 I/O, 26 Variable)
128 Bytes
8 x 2K Bytes, ~4,000 inst.
16 + 2 Dedicated Serial
5 - 12 vdc
55 mA Run / 450 µA Sleep
30 mA / 30 mA
60 mA / 60 mA per 8 I/O pins
63
Serial (19200 baud)
Stampw.exe (v2.2 and up)
* 70% Non-Condensing Humidity
** Environment ratings may change with future hardware revisions; please contact support@parallax.com for more information.
*** Using PBASIC 2.5 for BS2-type models.
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