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Stamp 2(R) |
Stamp SX(R) |
| I/O Lines | 16 + | 16 | 16 |
| EEPROM | 32KBytes | 2KBytes | (2K X 8) = 16K Bank Switched |
| RAM | 400 Bytes | 32 Bytes | 96 Bytes |
| Program Execution Speed | 65,000 Instructions/sec. | 4000 Instructions/sec. | 10,000 Instructions/sec. |
| Max. Program Length | 8000+ instructions | ~500 instructions | ~500
instructions Per 2K Bank |
| Analog Inputs | 8 (10 Bit ADCs) | No | No |
| Multitasking OS | Yes | No | No |
| Floating
Point Math |
Yes | No | No |
| PC Programming Interface | Parallel and Serial | Serial | Serial |
| Serial I/O | Yes | Yes | Yes |
| On-Chip LEDs | 2 (Red & Green) | No | No |
| SPI Interface | Yes | No | No |
| On-Chip Regulator and low voltage reset | Yes | Yes | Yes |
| Package | 24-pin DIP module | 24-pin DIP module | 24-pin DIP module |
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Top
down view of a BasicX-24 prototype |
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Parallax and BASIC Stamp are registered trademarks of Parallax, Inc. |