32-bit RISC microprocessor featuring an ARM926EJ-S core operating at up to 333 MHz. This single-core MPU offers 16KB instruction and 16KB data cache, with interfaces including Ethernet (MII/SMII, 10/100Mbps), I2C, SPI, UART (6), and USB (2). Housed in a 289-pin, 15x15x0.99mm LFBGA package with 0.8mm pitch, it supports surface mounting and operates from -40°C to 85°C with a maximum supply voltage of 2.75V.
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Stmicroelectronics SPEAR310-2 technical specifications.
| Basic Package Type | Ball Grid Array |
| Package Family Name | BGA |
| Package/Case | LFBGA |
| Package Description | Low Profile Fine Pitch Ball Grid Array |
| Lead Shape | Ball |
| Pin Count | 289 |
| PCB | 289 |
| Package Length (mm) | 15 |
| Package Width (mm) | 15 |
| Package Height (mm) | 0.99 |
| Seated Plane Height (mm) | 1.7(Max) |
| Pin Pitch (mm) | 0.8 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | SPEAr |
| Data Bus Width | 32bit |
| Instruction Set Architecture | RISC |
| Device Core | ARM926EJ-S |
| Maximum Speed | 333MHz |
| Core Architecture | ARM |
| Number of CPU Cores | 1 |
| Interface Type | Ethernet/I2C/SPI/UART/USB |
| CAN | 0 |
| UART | 6 |
| USART | 0 |
| I2C | 1 |
| SPI | 1 |
| USB | 2 |
| Ethernet | 5 |
| I2S | 0 |
| Max Operating Supply Voltage | 1.3|1.8|1.9|2.75V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Instruction Cache Size | 16KB |
| Data Cache Size | 16KB |
| Multiply Accumulate | No |
| Ethernet Interface Type | MII/SMII |
| Ethernet Speed | 10Mbps/100Mbps |
| Cage Code | SCR76 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | 5A002.a.4 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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