Integrated Host Processor with Integrated PCI

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The MPC8245 Integrated Host Processor supports applications where cost, space, power consumption and performance are critical requirements.

Provides a high level of integration, significantly reducing system component cost
Simplifies board design, reduces power consumption and accelerates faster-time-to-market
Targets systems using PCI interfaces in networking infrastructure, telecommunications, and other embedded markets.
Enables control processing for routers, switches, network storage applications and image display systems

Product Details

32-bit PCI interface operating at up to 66 MHz
Memory controller offering SDRAM support up to 133 MHz operation, support up to 2 GB
General Purpose I/O and ROM Interface Support
Two-channel DMA controller that supports chaining
Messaging unit with I2O messaging support capability
Industry-standard I2C interface
Programmable interrupt controller with multiple timers and counters
16550 compatible DUART

MPC603e processor core
- High-performance, superscalar processor core
- Floating-point unit, integer, load/store, system register and branch processing unit
- 16K instruction cache, 16K data cache
- Lockable portion of L1 cache
- Dynamic power management
- Software-compatible with processors built on Power Architecture technology

Memory interface
- 133 MHz memory bus capability
- Programmable timing EDO DRAM or SDRAM
- High-bandwidth bus (32/64-bit data bus) to DRAM
- Supports one to eight banks of 16-, 64-, 128-, 256-, or 512 Mbit DRAM, and up to four banks of 256-Mbit SDRAM devices
- Supports 1 Mbyte to 2 Gbyte DRAM memory
- Contiguous memory mapping
- 256 Mbytes of ROM space
- 8-bit, 16-bit, 32-bit, or 64-bit ROM
- Supports bus-width writes to flash
- Read-modify-write parity support (selectable)
- ECC support (selectable)
- SDRAM, DRAM buffer data-path
- Error injection/capture on data path
- LVTTL compatible
- PortX: 8-, 32- or 64-bit general-purpose I/O port uses ROM controller interface with address strobe

32-bit PCI interface operating up to 66 MHz
- PCI 2.2 compatible
- PCI 5.0 V tolerant
- Support for PCI locked accesses to memory
- Support for accesses to all PCI address spaces
- Selectable big- or little-endian operation
- Store gathering of processor-to-PCI writes and PCI-to-memory writes
- Memory prefetching of PCI read accesses
- Parity support (selectable)
- Selectable hardware-enforced coherency
- PCI bus arbitration unit (5 request/grant pairs

PCI agent mode capability
- Address Translation Unit (ATU)
- Run time register access
- PCI configuration register access

Two-channel integrated DMA controller
- Supports direct or chaining modes
- Scatter gather
- Interrupt on completed segment, chain, and error
- Local to local memory
- PCI to PCI memory
- PCI to local memory
- Local to PCI memory

Message Unit
- (I2O) Intelligent Input/Output Message Controller
- Two door-bell registers
- Inbound and outbound messaging registers

Embedded programmable interrupt controller (EPIC)
- Five hardware interrupts (IRQs) or 16 serial interupts
- Four programmable timers

Debug Features
- Watchpoint monitor
- Memory attribute and PCI attribute signals
- JTAG/COP—Common On-board Processor for in-circuit hardware debugging

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