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Allen Systems currently offers two 68HC11 based single board computers. The CP-11 uses the original 68HC11A1 and has an assortment of additional resources including 32K EPROM, 28K RAM, and DUART chip. The MP-11 uses the 68HC11F1. Its design is similar to the CP-11 but with a number of enhancements. These include 16 MHz operation (twice as fast) and multilayer PC board for harsh environments. The following options are available for the MP-11: Analog Daughterboard, D/A Daughterboard, calendar/clock chip, and 8K EEPROM socket.
| Model | MPU | EPROM or Flash |
RAM | Digital I/O |
Serial I/O |
A/D | Comments |
|---|---|---|---|---|---|---|---|
| CP-11 | 68HC11A1 | 32K | 28K | 23 | 3 | Y | |
| MP-11 | 68HC11F1 | 32K | 28K | 41 | 3 | Y | 16 MHz |
Last Updated on 1/5/2008
