8291

Appendix D

FUNCTIONAL PARTITIONS

 

I ~I

 

 

 

A

 

 

 

 

 

 

 

I

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

DEVICE (APPARATUS)

 

 

 

 

 

 

 

INTERFACE

 

 

 

 

I

 

 

 

 

FUNCTIONS

 

 

 

 

 

 

 

=~

C

 

 

 

 

 

 

 

 

(8292 ONLY)

--

\

 

 

 

 

 

:::(6):

- --

 

\.

 

 

 

 

 

 

LL

DT

 

 

 

 

 

 

 

C

DC

 

 

 

 

 

 

 

 

 

 

 

\

 

 

 

 

 

 

 

 

 

\

 

 

 

 

 

 

 

PP

 

\

 

 

 

 

 

 

 

 

\

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

\

 

 

 

 

 

 

 

 

 

\

 

DRIVERS

~

 

DEVICE

~~C

RL

 

\

 

RECEIVERSAND

 

SR

 

/

 

 

K~~S

 

 

/E

 

 

MESSAGE

¢0)::::

-------~INTERFACE

 

FUNCTIONS

 

 

 

 

~ CODING

-------

 

 

 

 

\ ----- y

 

 

/

 

 

 

 

 

 

\

 

 

/

 

 

 

 

 

 

\

L

 

I

 

 

 

 

 

3

--

 

 

 

 

 

 

 

----- OR ----

 

 

 

 

 

 

 

--

----- LE-----

I

 

 

 

 

 

 

 

T

 

/

 

 

 

 

 

 

:~

 

I

 

 

 

 

 

~

OR TE

 

 

 

 

 

 

 

 

 

 

 

 

 

3

~ AH

 

i

 

 

 

 

 

 

 

 

 

 

 

 

 

IT

SH

 

i

 

 

 

L -__---,-___-IIIL-______--,_______--11 ,--I_--,--_-'

MCS'·

8291

SYSTEM

A -

B -

1 -

2 -

3 -

4 -

5 -

6 -

8293

CAPABILITY DEFINED BY THE 488-1978 STANDARD.

CAPABILITY DEFINED BY THE DESIGNER. INTERFACE BUS SIGNAL LINES.

REMOTE INTERFACE MESSAGES TO AND FROM INTERFACE FUNCTIONS. DEVICE DEPENDENT MESSAGES TO AND FROM DEVICE FUNCTIONS. STATE LINKAGES BETWEEN INTERFACE FUNCTIONS.

LOCAL MESSAGES BETWEEN DEVICE FUNCTIONS AND INTERFACE

FUNCTIONS (MESSAGES TO INTERFACE FUNCTIONS ARE DEFINED,

MESSAGES FROM INTERFACE fUNCTIONS EXIST ACCORDING TO THE DESIGNER'SCHOICE).

CONTROL MESSAGES (8292 ONLY).

Figure 0.1. Functional Partition Within a Device.

9-105

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Image 420
Intel mcs-48 manual IIIL---,--11 ,--I, 105