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| PartNumber | 20-668-0003 | 20-668-0011 | 20-668-0024 |
| Description | Microprocessors - MPU Rabbit 2000 Chipset 30MHz | Microprocessors - MPU Rabbit 3000A LQFP Microprocessor | Microprocessors - MPU Rabbit 4000 LQFP Microprocessor |
| Manufacturer | Digi International | Digi International | Digi International |
| Product Category | Microprocessors - MPU | Microprocessors - MPU | Microprocessors - MPU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | PQFP-100 | LQFP-208 | LQFP-128 |
| Series | Rabbit 2000 | Rabbit 3000 | Rabbit 4000 |
| Core | Rabbit 2000 | Rabbit 3000 | Rabbit 4000 |
| Number of Cores | 1 Core | 1 Core | 1 Core |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 30 MHz | 55 MHz | 60 MHz |
| L1 Cache Instruction Memory | - | - | - |
| L1 Cache Data Memory | - | - | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V |
| Minimum Operating Temperature | - 40 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Brand | Digi International | Digi International | Digi International |
| Interface Type | Parallel, Serial | I2C, IrDA, SPI | Ethernet, Parallel, Serial |
| Number of I/Os | 40 I/O | 56 I/O | 40 I/O |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 4 x 8 bit, 2 x 10 bit | 10 x 8 bit, 1 x 10 bit | 10 x 8 bit, 1 x 10 bit, 1 x 16 bit |
| Factory Pack Quantity | 66 | 90 | 90 |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Unit Weight | 0.062040 oz | 0.091254 oz | 0.021693 oz |
| Memory Type | - | VRAM | VRAM |
| Data RAM Size | - | 32 B | 32 B |
| Packaging | - | - | Tray |
| I/O Voltage | - | - | 3.3 V |
| Processor Series | - | - | Rabbit 4000 |