The MPC8377E incorporates the e300c4s core, which includes 32 Kbytes of L1 instruction and data caches and on-chip memory management units (MMUs). The device offers two enhanced three-speed 10, 100, 1000 Mbps Ethernet interfaces, a DDR1/DDR2 SDRAM memory controller, a flexible, a 32-bit local bus controller, a 32-bit PCI controller, an optional dedicated security engine, a USB