MPC866P datasheet(6/96 Pages) FREESCALE

6 / 96 page

MPC866/MPC859 Hardware Specifications, Rev. 2

Freescale Semiconductor

Features

The MPC866/859 is comprised of three modules that each use a 32-bit internal bus: MPC8xx core, system

integration unit (SIU), and communication processor module (CPM). The MPC866P block diagram is shown in

Figure 1. The MPC859P/859T/859DSL block diagram is shown in Figure 2.

Figure 1. MPC866P Block Diagram

SCC3

SCC4

Bus

System Interface Unit (SIU)

Embedded

Parallel I/O

Memory Controller

Timers

Interrupt

Controllers

8-Kbyte

Dual-Port RAM

16 Virtual

Serial

and

Independent

DMA

Channels

System Functions

PCMCIA/ATA Interface

16-Kbyte

Instruction Cache

32-Entry ITLB

Instruction MMU

8-Kbyte

Data Cache

32-Entry DTLB

Data MMU

Instruction

Bus

Load/Store

Bus

Unified

4 Baud Rate

Generators

Parallel Interface Port

and UTOPIA

Internal

Bus Interface

Unit

External

Bus Interface

Unit

Timers

32-Bit RISC Controller

and Program

ROM

SCC1

Serial Interface

I2C

SPI

SMC2

SMC1

SCC2

Time Slot Assigner

MPC8xx

Processor

Core

DMAs

FIFOs

10/100

MII

Base-T

Media Access

Time Slot Assigner

Control

Fast Ethernet

Controller

MPC866P 数据表(PDF) 6 Page - Freescale Semiconductor, Inc

MPC866P 数据表(HTML) 6 Page - Freescale Semiconductor, Inc

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