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| PartNumber | KMPC8555EPXAPF | KMPC8555EPXALF | KMPC8555EPXAQF |
| Description | Microprocessors - MPU PQ 37 LITE 8555E | Microprocessors - MPU PQ 37 LITE 8555E | Microprocessors - MPU PQ 37 LITE 8555E |
| Manufacturer | NXP | NXP | NXP |
| Product Category | Microprocessors - MPU | Microprocessors - MPU | Microprocessors - MPU |
| Shipping Restrictions | |||
| RoHS | N | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | FC-PBGA-783 | FC-PBGA-783 | FC-PBGA-783 |
| Core | e500 | e500 | e500 |
| Number of Cores | 1 Core | 1 Core | 1 Core |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 833 MHz | 667 MHz | 1 GHz |
| L1 Cache Instruction Memory | 32 kB | 32 kB | 32 kB |
| L1 Cache Data Memory | 32 kB | 32 kB | 32 kB |
| Operating Supply Voltage | 1.2 V | 1.2 V | 1.3 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 105 C | + 105 C | + 105 C |
| Packaging | Tray | Tray | Tray |
| Memory Type | L1/L2 Cache | L1/L2 Cache | L1/L2 Cache |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Interface Type | Ethernet, I2C, PCI, SPI, UART | Ethernet, I2C, PCI, SPI, UART | Ethernet, I2C, PCI, SPI, UART |
| I/O Voltage | 2.5 V, 3.3 V | 2.5 V, 3.3 V | 2.5 V, 3.3 V |
| Instruction Type | Floating Point | Floating Point | Floating Point |
| L2 Cache Instruction / Data Memory | 256 kB | 256 kB | 256 kB |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 4 x 16 bit | 4 x 16 bit | 4 x 16 bit |
| Processor Series | PowerQUICC III | PowerQUICC III | PowerQUICC III |
| Factory Pack Quantity | 2 | 2 | 2 |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Unit Weight | 0.152077 oz | 0.152077 oz | 0.152077 oz |