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DDS2250T-64-16 PDF预览

DDS2250T-64-16

更新时间： 2024-11-05 10:01:39
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 448K
描述
Soft Microcontroller Module

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中文翻译

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DDS2250T-64-16 数据手册

 浏览型号DDS2250T-64-16的Datasheet PDF文件第2页浏览型号DDS2250T-64-16的Datasheet PDF文件第3页浏览型号DDS2250T-64-16的Datasheet PDF文件第4页浏览型号DDS2250T-64-16的Datasheet PDF文件第5页浏览型号DDS2250T-64-16的Datasheet PDF文件第6页浏览型号DDS2250T-64-16的Datasheet PDF文件第7页 
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 VCC. 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  
is  
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 VCC at 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  
1
20  
21  
40  
ꢀ
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#  
32  
32  
64  
64  
32  
32  
64  
64  
16  
16  
16  
16  
16  
16  
16  
16  
No  
No  
No  
No  
DS2250T-32-16  
DS2250T-32-16+  
DS2250T-64-16  
DS2250T-64-16+  
+ Denotes lead-free/RoHS-compliant package  
Yes  
Yes  
Yes  
Yes  
# Denotes RoHS-compliant device that may contain lead exempt under the RoHS requirements.  
1 of 18  
REV: 060906  
1234567...18

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