MSC8122(2006) 查看數據表（PDF） - Freescale Semiconductor

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MSC8122
(Rev.:2006)

Quad Core 16-Bit Digital Signal Processor

Freescale Semiconductor 

Program

Sequencer

Address

Register

File

SC140

Core

Address

ALU

JTAG

EOnCE

Power

Management

Data ALU

Register

File

Data

ALU

Data Sheet Conventions

SC140 Core

64

Xa

64

Xb

128

P

Instruction

Cache

128

QBus

PIC

IRQs

LIC

QBus

Bank 1

M1

RAM

QBC

QBus

Bank 3

QBus

Interface

IRQs

MQBus

SQBus

128

128

Local Bus

64

Notes: 1. The arrows show the data transfer direction.

2. The QBus interface includes a bus switch, write buffer, fetch unit, and a

control unit that defines four QBus banks. In addition, the QBC handles internal

memory contentions.

Figure 2. SC140 Extended Core Block Diagram

MSC8122 Technical Data, Rev. 13

Freescale Semiconductor

iii

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