microprocessor: 440EP PowerPC 440EP Embedded Processor

PowerPC® 440 processor core operating up to
667MHz with 32KB I-cache and D-cache with
parity checking.
• Selectable processor:bus clock ratios of N:1, N:2.
• Floating Point Unit with single- and doubleprecision
and single-cycle throughput.
• Dual bridged Processor Local Buses (PLBs) with
64- and 128-bit widths.
• Double Data Rate (DDR) Synchronous DRAM
(SDRAM) interface operating up to 133MHz with
ECC.
• DMA support for external peripherals, internal
UART and memory.
• PCI V2.2 interface (3.3V only). Thirty-two bits at
up to 66MHz.
• Programmable interrupt controller supports
interrupts from a variety of sources.
• Programmable General Purpose Timers (GPT).
• Two Ethernet 10/100Mbps half- or full-duplex
interfaces. Operational modes supported are MII,
RMII, and SMII with packet reject.

• Up to four serial ports (16550 compatible UART).
• Two USB ports. One USB 1.1 Host interface with
on-chip PHY. One USB 2.0 Device interface, with
dedicated DMA, configured as a 1.1 on-chip PHY
or a 2.0 UTMI.
• External peripheral bus (16-bit data) for up to six
devices with external mastering.
• Two IIC interfaces (one with boot parameter read
capability).
• NAND Flash interface.
• SPI interface.
• General Purpose I/O (GPIO) interface.
• JTAG interface for board level testing.
• Boot from PCI memory, NOR Flash on the
external peripheral bus, or NAND Flash on the
NAND Flash interface.
• Available in RoHS compliant lead-free package.