Datasheet > DS2250

DS2250

更新时间： 2024-10-29 12:20:03

品牌	Logo	应用领域
美信 - MAXIM		微控制器
页数	文件大小	规格书
18页	453K
描述
Soft Microcontroller Module

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DS2250 数据手册

DS2250(T)

Soft Microcontroller Module

www.maxim-ic.com

DESCRIPTION

FEATURES

The DS2250(T) soft microcontroller module is a ꢀ 8-Bit 8051-Compatible Microcontroller

fully 8051-compatible 8-bit CMOS microcontroller that

offers “softness” in all aspects of its application.

This is accomplished through the comprehensive

use of nonvolatile technology to preserve all

information in the absence of system V_CC. The

Adapts to Task-At-Hand

8, 32, or 64kbytes of Nonvolatile RAM for

Program and/or Data Memory Storage

Initial Downloading of Software in End System

via On-Chip Serial Port

internal

program/data

memory

space

Capable of Modifying its Own Program and/or

Data Memory in End Use

implemented using 8, 32, or 64kbytes of nonvolatile

CMOS SRAM. Furthermore, internal data registers ꢀ High-Reliability Operation

and key configuration registers are also nonvolatile.

An optional real-time clock gives permanently

powered timekeeping. The clock keeps time to a

hundredth of a second using an on-board crystal.

All nonvolatile memory and resources are

maintained for over 10 years at room temperature in

the absence of power.

Maintains All Nonvolatile Resources Up to 10

Years in the Absence of V_CCat Room

Temperature

Power-Fail Reset

Early Warning Power-Fail Interrupt

Watchdog Timer

ꢀ

Software Security Feature

Executes Encrypted Software to Prevent

Unauthorized Disclosure

PIN CONFIGURATION

ꢀ

On-Chip, Full-Duplex Serial I/O Ports

Two On-Chip Timer/Event Counters

32 Parallel I/O Lines

DS2250(T)

Compatible with Industry Standard 8051

Instruction Set

ꢀ

Permanently Powered Real-Time Clock

Operating information is contained in the Secure Microcontroller

User’s Guide. This data sheet provides ordering information,

pinout, and electrical specifications.

40-Pin SIMM

ORDERING INFORMATION

PART

RAM SIZE (kB)

MAX CRYSTAL SPEED (MHz) TIMEKEEPING?

DS2250-32-16

DS2250-32-16+

DS2250-64-16

DS2250-64-16#

DS2250T-32-16

DS2250T-32-16+

DS2250T-64-16

DS2250T-64-16+

+ Denotes lead-free/RoHS-compliant package

Yes

# Denotes RoHS-compliant device that may contain lead exempt under the RoHS requirements.

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与DS2250相关器件

型号	品牌	获取价格	描述	数据表
DS2250(T)	MAXIM	获取价格	Microcontroller, 8-Bit, CMOS,
DS2250_1	DALLAS	获取价格	Soft Microcontroller Module
DS2250-08-08	ETC	获取价格	Microcontroller
DS2250-08-12	ETC	获取价格	Microcontroller
DS2250-08-16	ETC	获取价格	8-Bit Microcontroller
DS2250-16-08	ETC	获取价格	Microcontroller
DS2250-16-12	ETC	获取价格	Microcontroller
DS2250-16-16	ETC	获取价格	Microcontroller
DS2250-32-08	ETC	获取价格	Microcontroller
DS2250-32-12	DALLAS	获取价格	Microcontroller, 8-Bit, 8051 CPU, 12MHz, CMOS,