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Evaluation Boards
ARM Evaluation Boards
C251/C51 Evaluation Boards
8051 Evaluation Board Comparison
The following chart compares the 8051 evaluation boards available from Keil.
| Feature | Evaluation Board | ||||
|---|---|---|---|---|---|
| MCBx51 | MCB900 | MCB950 | MCBXC866 | MCBXC88x | |
| Board | |||||
| MCU | Most PLCC-44 8051/251 | P89LPC935 | P89LPC952 | XC866 | XC888 |
| XTAL | 12/24 MHz | 7.3 MHz | 12 MHz | 8 MHz | 8 MHz |
| Prototyping Area | |||||
| OCDS Interface | |||||
| ISD51 Interface | |||||
| MON51 Interface | |||||
| Dimensions (inches) |
3.95 x 6.30 | 2.30 x 4.30 | 2.30 x 4.30 | 3.95 x 3.95 | 3.95 x 3.95 |
| Dimensions (mm) |
100 x 160 | 58 x 110 | 58 x 110 | 100 x 100 | 100 x 100 |
| Memory | |||||
| On-Chip RAM | 0.2K-1.2K | 0.7K | 0.5K | 0.7K | 1.7K |
| On-Chip FLASH | 8K | 8K | 16K | 24K | |
| On-Board RAM/Max | 256K/256K | ||||
| On-Board ROM/Max | 128K/256K | ||||
| I/O | |||||
| Push Buttons | 2 | 1 | 1 | ||
| I/O Port LEDs | 8 | 8 | 8 | 8 | 8 |
| Analog Input (Potentiometer) |
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| Serial Ports | 2 | 1 | 1 | 1 | |
| CAN Ports | 1 | 1 | |||
| Power | |||||
| Connector | Plug | Plug | USB | Plug | USB |
| Supply | 8-12 VDC | 5-9 VDC | 5 VDC | 6-12 VDC | 5 VDC |
| Current (Typical) |
≈ 300 mA | ≈ 50 mA | ≈ 50 mA | ≈ 50 mA | ≈ 50 mA |
| Current (Maximum) |
≈ 500 mA | ≈ 100 mA | ≈ 100 mA | ≈ 100 mA | ≈ 100 mA |
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