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ATMEL SHA-256加密 ATSHA204

更新时间:2019-09-26 09:48:42 大小:1M 上传用户:月如规查看TA发布的资源 标签:SHA-256 下载积分:0分 评价赚积分 (如何评价?) 打赏 收藏 评论(2) 举报

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ATMEL SHA-256加密         

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文件名 大小
ATSHA204.pdf 1M

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Atmel ATSHA204  
Atmel CryptoAuthentication  
DATASHEET  
Features  
Secure authentication and validation device  
Integrated capability for both host and client operations  
Superior SHA-256 hash algorithm, HMAC option  
Best-in-class, 256-bit key length; storage for up to 16 keys  
Guaranteed unique 72-bit serial number  
Internal, high-quality Random Number Generator (RNG)  
4.5-Kbit EEPROM for keys and data  
512 OTP (One Time Programmable) bits for fixed information  
Multiple I/O options  
High-speed, single-wire interface  
1MHz I2C interface  
2.0V – 5.5V supply voltage range  
1.8V – 5.5V communications  
<150nA sleep current  
Extended, multi-level hardware security  
8-lead SOIC, 8-lead TSSOP, 3-lead SOT23, 8-pad UDFN, and  
3-lead Contact packages  
Applications  
Anti-clone protection for accessories, daughter cards, and consumables  
Secure boot validation, software anti-piracy  
Network and computer access control  
Key exchange for encrypted downloads  
Authenticated/encrypted communications for control networks  
8-lead UDFN  
3-lead Contact  
8-lead SOIC  
8-lead TSSOP  
Figure 1.  
Pin Name  
Pin Configurations  
Function  
8
7
6
5
1
2
3
4
NC  
NC  
VCC  
NC  
NC  
NC  
NC  
1
2
3
4
8
7
6
5
VCC  
NC  
VCC  
NC  
NC  
1
2
3
4
8
7
6
5
1
2
3
SDA  
GND  
VCC  
NC  
NC  
SCL  
SCL  
SCL  
NC  
SDA  
SCL  
GND  
VCC  
Serial Data  
GND  
SDA GND  
SDA SDA  
GND  
Serial Clock Input  
Ground  
Bottom View  
3-lead SOT23  
VCC  
2
Power Supply  
GND  
3
SDA  
1
8740DCRYPTO3/12  
 
 
 

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