MPC855T datasheet(2/80 Pages) FREESCALE

2 / 80 page

MPC860 PowerQUICC™ Family Hardware Specifications, Rev. 8

Freescale Semiconductor

Overview

1Overview

The MPC860 power quad integrated communications controller (PowerQUICC™) is a versatile one-chip

integrated microprocessor and peripheral combination designed for a variety of controller applications. It

particularly excels in communications and networking systems. The PowerQUICC unit is referred to as

the MPC860 in this hardware specification.

The MPC860 implements Power Architecture™ technology and contains a superset of Freescale’s

MC68360 quad integrated communications controller (QUICC), referred to here as the QUICC, RISC

communications proccessor module (CPM). The CPU on the MPC860 is a 32-bit core built on Power

Architecture technology that incorporates memory management units (MMUs) and instruction and data

caches.. The CPM from the MC68360 QUICC has been enhanced by the addition of the inter-integrated

controller (I2C) channel. The memory controller has been enhanced, enabling the MPC860 to support any

type of memory, including high-performance memories and new types of DRAMs. A PCMCIA socket

controller supports up to two sockets. A real-time clock has also been integrated.

Table 1 shows the functionality supported by the MPC860 family.

Table 1. MPC860 Family Functionality

Part

Cache (Kbytes)

Ethernet

ATM

SCC

Reference1

1 Supporting documentation for these devices refers to the following:

1. MPC860 PowerQUICC Family User’s Manual (MPC860UM, Rev. 3)

2. MPC855T User’s Manual (MPC855TUM, Rev. 1)

Instruction

Cache

Data Cache

10T

10/100

MPC860DE

Up to 2

—

MPC860DT

Up to 2

Yes

MPC860DP

Up to 2

Yes

MPC860EN

Up to 4

—

MPC860SR

Up to 4

—

Yes

MPC860T

Up to 4

Yes

MPC860P

Up to 4

Yes

MPC855T

4411

Yes

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