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ATA555815-PAE PDF预览

ATA555815-PAE

更新时间： 2024-02-08 18:41:35
品牌 Logo 应用领域
爱特美尔 - ATMEL /
页数 文件大小 规格书
42页 672K
描述
1 kbit R/W IDIC with Deterministic Anticollision

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ATA555815-PAE 技术参数

生命周期：Obsolete零件包装代码：DIE
包装说明：DIE,Reach Compliance Code：unknown
HTS代码：8542.31.00.01风险等级：5.84
Is Samacsys：NJESD-30 代码：X-XUUC-N
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：DIE
封装形状：UNSPECIFIED封装形式：UNCASED CHIP
认证状态：Not Qualified表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：NO LEAD端子位置：UPPER
uPs/uCs/外围集成电路类型：MICROPROCESSOR CIRCUITBase Number Matches：1

ATA555815-PAE 数据手册

 浏览型号ATA555815-PAE的Datasheet PDF文件第5页浏览型号ATA555815-PAE的Datasheet PDF文件第6页浏览型号ATA555815-PAE的Datasheet PDF文件第7页浏览型号ATA555815-PAE的Datasheet PDF文件第9页浏览型号ATA555815-PAE的Datasheet PDF文件第10页浏览型号ATA555815-PAE的Datasheet PDF文件第11页 
2.7.3  
Master Key  
The Master Key controls various operating modes as described in Table 2-2. For production test  
purposes, other Master Key codes are used, but once the Configuration block has been double  
locked these test functions can never be reactivated.  
If the Master Key is set to 0110, the blocks within the system memory section have different  
access protection (see Figure 2-5 on page 7). These access rights are fixed and not influenced  
by the Page Security Register. Access to password protected system memory blocks can only  
be performed after the corresponding LoginWrite or LoginRead has been successfully executed.  
The password blocks themselves are non-readable. Traceability and configuration can always be  
read but the traceability data cannot be altered.  
Table 2-2.  
Master Key Related Functions  
Enables  
Protection Scheme  
User Memory  
Clear  
Page  
Security  
System  
Memory  
Master Key  
DDR  
yes  
yes  
no  
PM  
yes  
yes  
no  
EAS  
yes  
yes  
no  
6
9
no  
yes  
yes  
no  
yes  
yes  
yes  
yes  
others  
no  
A new ATA5558 device, when received by the customer can be considered as being unpro-  
grammed (all 0 state), the only exception to this being the preprogrammed non-alterable  
traceability information. For the tag manufacturer to be able to easily set up the tag passwords, it  
is possible to provisionally switch the password protection off. i.e Master Key = 0. In this state, it  
is possible to read and write all non-locked (lock bits = 0) memory blocks irrespective of the  
page security. In this way, new tag passwords or Tag ID’s can be defined and written. Blocks,  
which have once been locked (block lock bit = 1) can however not be rewritten. When the cus-  
tomer has completed the tag configuration, the Master Key is set to the “safe” state (= 6) thus  
enabling the full password protection, and then finally the configuration block itself may be  
locked. In this double locked condition, the configuration and all other locked blocks are irrevers-  
ibly set and cannot be changed. This applies to both the user and the majority of the system  
memory blocks.  
8
ATA5558 [Preliminary]  
4681C–RFID–09/05  
1...567891011...42

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