MPC857DSL datasheet, PDF - EEWORLD Datasheet

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MPC857DSL: DescriptionMicro Peripheral IC; CategoryThe embedded processor and controller Microcontrollers and processors; File Size34KB，10 Pages; ManufacturerMotorola ( NXP ); Websitehttps://www.nxp.com

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MPC857DSL Overview

Micro Peripheral IC

MPC857DSL Parametric

Parameter Name	Attribute value
Reach Compliance Code	unknown
Is Samacsys	N
Base Number Matches	1

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Technical Summar

MPC857TTS/D

Rev. 0.1, 6/2002

MPC857T Microprocessor

Technical Summary

This document provides an overview of the MPC857T Communications Processor, describing

major functions and features.

The MPC857T Integrated Communications Controller is a versatile one-chip integrated

microprocessor and peripheral combination that can be used in a variety of controller

applications. It particularly excels in both communications and networking systems.

The MPC857T is a PowerPC architecture-based derivative of Motorola’s MPC860 Quad

Integrated Communications Controller (PowerQUICC). The CPU on the MPC857T is the

MPC8xx core, a 32-bit microprocessor which implements the PowerPC architecture,

incorporating memory management units (MMUs) and instruction and data caches.

Table 1 shows the functionality supported by the members of the MPC857T family:

Table 1. MPC857T Functionality Matrix

Part

MPC857T

MPC857DSL

SCC and SMC Support

One SCC (SCC1) - includes Ethernet support. Two SMCs.

One SCC (SCC1) - Ethernet only. No TSA. One SMC (SMC1) (for

UART support).

ATM Support

UTOPIA

interface

UTOPIA

interface

1.1

•

Features

Embedded MPC8xx core

Single-issue, 32-bit core (compatible with the PowerPC architecture deﬁnition) with

32, 32-bit general-purpose registers (GPRs)

— The core performs branch prediction with conditional prefetch, without

conditional execution

— 4-Kbyte data cache and 4-Kbyte instruction cache.

– 4-Kbyte instruction cache is two-way, set-associative with 128 sets.

– 4-Kbyte data cache is two-way, set-associative with 128 sets.

The following list summarizes the key MPC857T features:

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

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