4 g2 core interface, G2 core interface -6, Communications processor (cp) block diagram -6 – Freescale Semiconductor MPC8260 User Manual

Page 554

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Communications Processor Module Overview

MPC8260 PowerQUICC II Family Reference Manual, Rev. 2

14-6

Freescale Semiconductor

Figure 14-2. Communications Processor (CP) Block Diagram

14.3.4

G2 Core Interface

The CP communicates with the G2 core in several ways:

General-

Load/Store

Unit

Block Transfer

Dual-Port RAM

Microcode

DMA

Execution

Source Buses

Destination Bus

Address

Data

Address

Data

Ad

dr

es

s

Da

ta

Pe

ri

pher

al

Bu

s

Scheduler

Decoder

Instruction

To all units

Bus

Communications Processor (CP)

Timer

Special

Sequencer

Registers

Unit

Data

Ad

dr

es

s

Da

ta

Data

ROM

In

st

ru

ct

io

n

Addr

ess

Add

res

s

Dat

a

Interface

Local Bus

60x Bus

Module

(BTM)

Purpose

Registers

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