LD8052AH datasheet, PDF - EEWORLD Datasheet

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LD8052AH: Description8-BIT, UVPROM, MICROCONTROLLER, CDIP40; Categorysemiconductor The embedded processor and controller; File Size714KB，21 Pages; ManufacturerIntel; Websitehttp://www.intel.com/

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LD8052AH Overview

8-BIT, UVPROM, MICROCONTROLLER, CDIP40

LD8052AH Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	40
Maximum operating temperature	70 Cel
Minimum operating temperature	0.0 Cel
Maximum supply/operating voltage	5.5 V
Minimum supply/operating voltage	4.5 V
External data bus width	8
Number of input and output buses	32
Processing package description	CERAMIC, DIP-40
state	ACTIVE
Craftsmanship	CMOS
packaging shape	RECTANGULAR
Package Size	IN-LINE
Terminal form	THROUGH-HOLE
Terminal spacing	2.54 mm
terminal coating	TIN LEAD
Terminal location	DUAL
Packaging Materials	CERAMIC, GLASS-SEALED
Temperature level	COMMERCIAL
Address bus width	16
Number of digits	8
Maximum FCLK clock frequency	12 MHz
Microprocessor type	MICROCONTROLLER
ROM programming	UVPROM

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mu @

MCS@51

8-BIT CONTROL-ORIENTED MICROCONTROLLERS

Commercial/Express

8031AH18051AH18051AHP

8032N+18052N-I

8751W8751H-8

8751BW8752BI-I

High Performance HMOS Process

Internal Timers/Event Counters

2-Level interrupt Priority Structure

32 1/0 Lines (Four 8-Bit Ports)

64K External Program Memory Space

Security Feature Protects EPROM Parts

Boolean Processor

Bit-Addressable RAM

Programmable Full Duplex Serial

Channel

111 Instructions

(64

Single-Cycle)

Extended Temperature Range

64K External Data Memory Space

(–40”C to +85”C)

Against Software Piracy

The MCS@51 controllers are optimized for control applications. Byte-processing and numerical operations on

small data structures are facilitated by a variety of fast addressing modes for accessing the internal RAM. The

instruction set provides a convenient menu of 8-bit arithmetic instructions, including multiply and divide instruc-

tions. Extensive on-chip support is provided for one-bit variables as a separate data type, allowing direct bit

manipulation and testing in control and logic systems that require Boolean processing.

The 8751H is an EPROM version of the 8051AH. It has 4 Kbytes of electrically programmable ROM which can

be erased with ultraviolet light. His fully compatible with the 8051AH but incorporates one additional feature: a

Program Memory Security bit that can be used to protect the EPROM against unauthorized readout. The

8751 H-8 is identical to the 8751 H but only operates up to 8 MHz.

The 8051AHP is identical to the 8051AH with the exception of the Protection Feature. To incorporate this

Protection Feature, program verification has been disabled and external memory accesses have been limited

to 4K.

The 8052AH is an enhanced version of the 8051AH. It is backwards compatible with the 8051AH and is

fabricated with HMOS II technology. The 8052AH enhancements are listed in the table below. Also refer to this

table for the ROM, ROMless and-EPROM versions of each product.

Device

8031AH

8051AH

6051AHP

8751 H

8751 H-8

6751 BH

8032AH

6052AH

8752BH

Intsrnal Memory

Program

none

8 ROM

6 ROM

8 EPROM

none

8 ROM

8 EPROM

Data

128

8 RAM

128

8 RAM

128

8 RAM

128

8 RAM

128

6 RAM

128

8 RAM

256

6 RAM

256

8 RAM

256

8 RAM

Timera/

Event Counters

2 x 18-Bit

2 x 16-Bit

3 x 16-Bit

Interrupts

Intel Corporationassumes no responsibility the use of any circuit~ other than circuitryembodied in an Intel product.No other circuitpatent

for

licenses are implied.Informationcontained herein supersedes previouslypublishedspecificationson theaa davices from Intel.

O INTEL CORPORATION, 1994

October 1994

Order Numben 272318-002

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