IBM25PPC440GP IBM Microelectronics, IBM25PPC440GP Datasheet - Page 12

• Manufacturer Part Number: IBM25PPC440GP
• Description: PowerPC 440GP Embedded Processor
• Manufacturer: IBM Microelectronics

Ethernet Controller Interface
Ethernet support provided by the PPC440GP interfaces to the physical layer, but the PHY is not included on
the chip.
Features include:
DMA Controller
Features include:
Serial Port
Features include:
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• One or two interfaces running in full- and half-duplex modes at 10Mb/s or 100Mb/s
• Supports the following transfers:
• Four channels
• Scatter/Gather capability for programming multiple DMA operations
• 8-, 16-, 32-bit peripheral support (OPB and external)
• 64-bit addressing
• Address increment or decrement
• Supports internal and external peripherals
• Support for memory mapped peripherals
• Support for peripherals running on slower frequency buses
• One 8-pin UART and one 4-pin UART interface provided
• Selectable internal or external serial clock to allow wide range of baud rates
• Register compatibility with 16750 register set
• Complete status reporting capability
• Fully programmable serial-interface characteristics
• Supports DMA using internal DMA engine
– One full Media Independent Interface (MII) with 4-bit parallel data transfer
– Two Reduced Media Independent Interfaces (RMII) with 2-bit parallel data transfer
– Two Serial Media Independent Interfaces (SMII)
– Memory-to-memory transfers
– Buffered peripheral to memory transfers
– Buffered memory to peripheral transfers
PowerPC 440GP Embedded Processor Data Sheet
5/13/04