8052AH View Datasheet(PDF) - Intel

Part Name

Description

Manufacturer

8052AH

MCS@51 8-BIT CONTROL-ORIENTED MICROCONTROLLERS

Intel 

MCS@51 CONTROLLER

EXTERNAL PROGRAM MEMORY READ CYCLE

ALE

PSEN

PORT O

w--- TLHLL _

\,

/

TLLPL- ~

TPLPH

-TAVLL+

+ TLLIV

/

TLLAX

PORT 2

x1

AO -A15

x

\

A8 -A15

272318-5

EXTERNAL DATA MEMORY READ CYCLE

ALE

PSEN

m

PORTO

PORT2

Y

+TLHLL+

‘LLOv ~

—

TLLWL

TRLRH –—

+ TAVLL +

_TLLAX

b

—TRLDV4

i‘

TRHOX+

AO-A7 FROM RI OR OPL

OATA IN

.

.

TAVOV

b

xr

P2.O-P2.7 OR A8-A15 FROMDPH

\

/

TWHLH

x

A8-A15 FROMPCH

272318-6

EXTERNAL DATA MEMORY WRITE CYCLE

ALE

m

WT

PORTO

PORT2

\,

TLHLL—

‘TLLwL~TwLwH

1 7t=- TAVLL

+TLLAX

TQVWX k

II

I

AO-A7

FROMRIOR OPL M

TQVWH

OATAOUT

xI

P2.O-P2.7 OR A8-A15 FROMOPH

\

/

TWHLH

/

*

1‘

TWHQX

:r

xx1

AO-A7 FROMFCL

x

A8-A15 FROMPCH

272318-7

11

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