MPC8555EEC Freescale Semiconductor Rev. 4.2, 1/2008 Technical Data MPC8555E PowerQUICC III Integrated Communications Processor Hardware Specification Contents The MPC8555E integrates a PowerPC processor core 1. Overview 2 built on Power Architecture technology with system logic 2. Electrical Characteristics 8 required for networking, telecommunications, and wireless 3. Power Characteristics . 13 infrastructure applications. The MPC8555E is a member of 4. Clock Timing 15 5. RESET Initialization 16 the PowerQUICC III family of devices that combine 6. DDR SDRAM . 17 system-level support for industry-standard interfaces with 7. DUART 21 processors that implement the embedded category of the 8. Ethernet: Three-Speed, MII Management 22 9. Local Bus . 33 Power Architecture technology. For functional 10. CPM . 43 characteristics of the processor, refer to the MPC8555E 11. JTAG 50 PowerQUICC III Integrated Communications Processor 12. I2C 52 Reference Manual. 13. PCI 54 14. Package and Pin Listings . 56 To locate any published errata or updates for this document 15. Clocking 66 refer to Overview 1Overview The following section provides a high-level overview of the MPC8555E features. Figure 1 shows the major functional units within the MPC8555E. DDR DDR SDRAM Controller 256-Kbyte SDRAM Security Engine L2 Cache/ 2 SRAM I C Controller e500 Core DUART e500 32-Kbyte L1 32-Kbyte L1 Coherency I Cache D Cache Core Complex Module GPIO Bus Local Bus Controller 32b Programmable IRQs Interrupt Controller Serial CPM DMA 64/32b PCI Controller OCeaN MPHY FCC ROM UTOPIA 0/32b PCI Controller FCC SCC I-Memory SCC/USB MIIs/RMIIs DMA Controller SCC DPRAM SMC TDMs SMC RISC 10/100/1000 MAC Engine SPI MII, GMII, TBI, 2 I/Os I C Parallel I/O RTBI, RGMIIs 10/100/1000 MAC Baud Rate Generators Timers CPM Interrupt Controller Figure 1. MPC8555E Block Diagram 1.1 Key Features The following lists an overview of the MPC8555E feature set. Embedded e500 Book E-compatible core High-performance, 32-bit Book E-enhanced core that implements the PowerPC architecture Dual-issue superscalar, 7-stage pipeline design 32-Kbyte L1 instruction cache and 32-Kbyte L1 data cache with parity protection Lockable L1 cachesentire cache or on a per-line basis Separate locking for instructions and data Single-precision floating-point operations Memory management unit especially designed for embedded applications Enhanced hardware and software debug support Dynamic power management Performance monitor facility MPC8555E PowerQUICC III Integrated Communications Processor Hardware Specification, Rev. 4.2 2 Freescale Semiconductor Serial Interfaces Time-Slot Assigner