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935313544574 PDF预览

935313544574

更新时间: 2024-09-26 19:38:07
品牌 Logo 应用领域
恩智浦 - NXP 微控制器外围集成电路
页数 文件大小 规格书
202页 3163K
描述
Microcontroller

935313544574 技术参数

生命周期:Not Recommended包装说明:,
Reach Compliance Code:unknown风险等级:5.69
uPs/uCs/外围集成电路类型:MICROCONTROLLERBase Number Matches:1

935313544574 数据手册

 浏览型号935313544574的Datasheet PDF文件第2页浏览型号935313544574的Datasheet PDF文件第3页浏览型号935313544574的Datasheet PDF文件第4页浏览型号935313544574的Datasheet PDF文件第5页浏览型号935313544574的Datasheet PDF文件第6页浏览型号935313544574的Datasheet PDF文件第7页 
Addendum to MC68HC908QY4A, rev. 3  
This addendum introduces a change to this data sheet.  
Chapter 15 Development Support, Section 15.3.2 Security  
A security feature discourages unauthorized reading of FLASH locations while in monitor mode. The host  
can bypass the security feature at monitor mode entry by sending eight security bytes that match the  
bytes at locations $FFF6–$FFFD. Locations $FFF6–$FFFD contain user-defined data.  
NOTE  
Do not leave locations $FFF6–$FFFD blank. For security reasons, program  
locations $FFF6–$FFFD even if they are not used for vectors.  
Changes to:  
Chapter 15 Development Support, Section 15.3.2 Security  
A security feature discourages unauthorized reading of FLASH locations while in monitor mode. The host  
can bypass the security feature at monitor mode entry by sending eight security bytes that match the  
bytes at locations $FFF6–$FFFD. Locations $FFF6–$FFFD contain user-defined data.  
NOTE  
Do not leave locations $FFF6–$FFFD blank. For security reasons, program  
locations $FFF6–$FFFD even if they are not used for vectors. An improved  
security function denies monitor mode entry if five or more of the eight  
security bytes are $00 (zero bytes).  
MC68HC908QY4A Data Sheet, Addendum 5/2012  
Freescale Semiconductor  
1

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