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ATMEL SHA-256加密 ATSHA204
资料介绍
ATMEL SHA-256加密
部分文件列表
| 文件名 | 大小 |
| ATSHA204.pdf | 1M |
部分页面预览
（完整内容请下载后查看）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
8740D−CRYPTO−3/12
全部评论(2)
2022-03-08 21:35:08杨义
感谢分享
2019-09-27 09:05:34+vx15059162534
还可以