MPC8245LZU266D

MPU PowerPC MPC82xx Processor RISC 64Bit 0.25um 266MHz 3.3V 352Pin TBGA Tray

Overview

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

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## Features

266-466 MHz MPC603e processor core

* 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

**Typical Applications**

* Routers/Switches

* Multi-channel modems

* Network storage

* Image display systems

* Enterprise I/O processor

* Internet access device IAD

* Disk controller for RAID systems

* Copier/printer board control

**Processor Core and On-Chip Peripheral Logic Features**

* **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

**On-Chip Peripheral Logic**

* **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

* **I2C Inter-Integrated Circuit Controller**

* Full master/slave support

* **Embedded programmable interrupt controller EPIC**

* Five hardware interrupts IRQs or 16 serial interupts

* Four programmable timers

* **Integrated PCI bus and SDRAM clock generation**

* **Programmable memory and PCI bus drivers**

* **Debug Features**

* Watchpoint monitor

* Memory attribute and PCI attribute signals

* JTAG/COP—Common On-board Processor for in-circuit hardware debugging

* **Dual UART**

* 16550 Compatible

## Features