The MPC107 is the newest generation of the PowerPC PCI/Memory controller family. The MPC107 is upwardly compatible with the MPC106 at a software level, preserves all the essential hardware features of the MPC106, and adds many new features, including: Integrated memory data bus registers Integrated on-the-ßy ECC correction Two additional ROM/Flash chip selects (RCS2, RCS3) Fewer restrictions on RCS1 accesses Integrated 5-port PCI arbiter Integrated 5- or 16- port interrupt controller Full PCI peripheral/target mode support, including IDSEL and INTA I2C controller The MPC107 also includes the following additional features: DMA controller Programmable timers Debug registers I2O controller