Data General Service ECLIPSE MV/7800 - Page 60

167 pages

Save Page as PDF

To Next Page

To Next Page

To Previous Page

To Previous Page

Loading...

r



FIXED POINT ARITHMETIC UNIT



-1

STACK REGISTERS

SYSTEM BUS



ACCUMULATORS



PROCESSOR STATUS REG

(32 BITS)



0 - 3

LOGICAL ADDRESS REG



,



r



-1



CONSTANT

ROM



GENERAL PURPOSE

SEGMENT BASE

I



INSTRUCTION



I



REGISTERS



REGISTERS

0 - 7



0 - 7

I



PREFETCHER



1

I



Z\

.I

>

I







I

AW

WRITE

DATA



N-I



i



gi

A

BUS

t>



11



B BUS

READ

DATA

LATCH

INSTRUCTION

REGISTER

PIPELINE

I



PROGRAM

COUNTER

PIPELINE

--"4

I

I

I

III



I

I



ARITHMETIC

LOGIC

UNIT

‘

k>

'

SHIFT REGISTER

I



I



I



--I

T

_)



ADDRESS TRANSLATION

PHYSICAL I LA CAM I PA RAM

ADDRESS

BUS

.

(26 BITS)

FS-12750

CONTROL

UNIT

MICROCONTROL BUS

(24 BITS)

FROM

CONTROL STORE

Figure 3-5. Central Processing Unit, Block Diagram

043-003621



3-10



DGC

CONFIDENTIAL - INTERNAL USE ONLY

Table of Contents