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| PartNumber | SPEAR320-2 | SPEAR320S-2 | SPEAR320STR-2 |
| Description | IC MPU SPEAR 333MHZ 289LFBGA SPEA | MPU SPEAr RISC 32-Bit 333MHz 3.3V 289-Pin LFBGA Tray (Alt: SPEAR320S-2) | |
| Manufacturer | STMicroelectronics | - | - |
| Product Category | Embedded - Microprocessors | - | - |
| Series | SPEArR | - | - |
| Packaging | Tray | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package Case | LFBGA2-89 | - | - |
| Operating Temperature | -40°C ~ 85°C (TC) | - | - |
| Supplier Device Package | 289-LFBGA | - | - |
| Memory Type | L1 Cache ROM SRAM | - | - |
| Voltage I O | 3.3V | - | - |
| Speed | 333MHz | - | - |
| Core Processor | ARM926EJ-S | - | - |
| Number of Cores Bus Width | 1 Core, 32-Bit | - | - |
| Co Processors DSP | Security; C3 | - | - |
| RAM Controllers | LPDDR, DDR2 | - | - |
| Graphics Acceleration | No | - | - |
| Display & Interface Controllers | LCD, Touchscreen | - | - |
| Ethernet | 10/100 Mbps (3) | - | - |
| SATA | - | - | - |
| USB | USB 2.0 + PHY (3) | - | - |
| Security Features | Cryptography | - | - |
| Number of Cores | 1 Core | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Operating Supply Voltage | 1.2 V | - | - |
| Interface Type | CAN Ethernet I2C SPI UART USB | - | - |
| Core | ARM926EJ-S | - | - |
| Processor Series | SPEAr | - | - |
| Data Bus Width | 32 bit/16 bit | - | - |
| Maximum Clock Frequency | 333 MHz | - | - |
| Number of I Os | 102 I/O | - | - |
| L1 Cache Instruction Memory | 16 kB | - | - |
| L1 Cache Data Memory | 16 kB | - | - |
| Data RAM Size | 8 kB | - | - |
| Data ROM Size | 32 kB | - | - |
| I O Voltage | 1.5 V 1.8 V 2.5 V 3.3 V | - | - |
| Number of Timers Counters | 6 x 16 bit | - | - |
| Watchdog Timers | Watchdog Timer | - | - |