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| PartNumber | SPEAR300-2 | SPEAR310-2 | SPEAR300 |
| Description | Microprocessors - MPU MPU ARM926 Cortex 8-ch DMA 32KB Rom | Microprocessors - MPU MPU ARM926 Cortex 8-ch DMA 32KB Rom | |
| Manufacturer | Texas Instruments | ZiLOG | - |
| Product Category | Microprocessors - MPU | Microprocessors - MPU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PBGA-515 | PLCC-68 | - |
| Series | AM3715 | Z80180 | - |
| Core | ARM Cortex A8 | Z80 | - |
| Number of Cores | 1 Core | 1 Core | - |
| Data Bus Width | 32 bit | 8 bit | - |
| Maximum Clock Frequency | 1 GHz | 6 MHz | - |
| L1 Cache Instruction Memory | 32 kB | - | - |
| L1 Cache Data Memory | 32 kB | - | - |
| Operating Supply Voltage | 900 mV to 1.2 V | 5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 100 C | - |
| Packaging | Tray | Tube | - |
| Memory Type | L1/L2 Cache, RAM, ROM | SRAM | - |
| Brand | Texas Instruments | ZiLOG | - |
| Data RAM Size | 64 kB | 64 kB | - |
| Data ROM Size | 32 kB | - | - |
| Interface Type | I2C, SPI, UART, USB | SCI, UART | - |
| I/O Voltage | 1.8 V, 3.3 V | 5 V | - |
| Instruction Type | Floating Point | - | - |
| L2 Cache Instruction / Data Memory | 256 kB | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 12 x 32 bit | 2 x 16 bit | - |
| Processor Series | Sitara | Z80 | - |
| Factory Pack Quantity | 168 | 20 | - |
| Tradename | Sitara | - | - |
| Watchdog Timers | Watchdog Timer | No Watchdog Timer | - |
| Unit Weight | - | 0.171777 oz | - |