See the AMCC website, at www.amcc.com/embedded, for complete details.
Table 3-2 summarizes the features of the AMCC 440xx family of processors.
Table 3-2. AMCC PowerPC 440xx Highlights Summary
| Feature | 440EP | 440GP | 440GX | 440SP |
|---|---|---|---|---|
| Core/speeds | PowerPC 440 333-667MHz | PowerPC 440 400-500MHz | PowerPC 440 533-800MHz | PowerPC 440 533-667MHz |
| DRAM controller | DDR | DDR | DDR | DDR |
| Ethernet 10/100 | 2 | 2 | 2 | via GigE |
| Gigabit Ethernet | N | N | 2 | 1 |
| GPIO lines | 64 | 32 | 32 | 32 |
| UARTs | 4 | 2 | 2 | 3 |
| DMA controller | 4 channel | 4 channel | 4 channel | 3 channel |
| I2C controller | 2 | 2 | 2 | 2 |
| PCI host controller | Y | PCI-X | PCI-X | three PCI-X |
| SPI controller | Y | N | N | N |
| Interrupt controller | Y | Y | Y | Y |
3.2.3. Freescale PowerPC
Freescale Semiconductor has a large range of PowerPC processors with integrated peripherals. The manufacturer is currently advertising its PowerPC product portfolio centered on three broad vertical-market segments: networking, automotive, and industrial. Freescale PowerPC processors have enjoyed enormous success
