MPC8245TVV266D数据手册恩XP中文资料规格书

描述 Description

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

特性 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