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參數(shù)資料
| 型號： | MR80C32E-12SBR |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, 12 MHz, MICROCONTROLLER, CQCC44 |
| 封裝： | LCC-44 |
| 文件頁數(shù)： | 44/108頁 |
| 文件大?。?/td> | 3682K |
| 代理商： | MR80C32E-12SBR |
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40
8069R–AVR–06/2013
XMEGA A4
Not recommended for new designs -
Use XMEGA A4U series
24. Crypto Engine
24.1
Features
Data Encryption Standard (DES) CPU instruction
Advanced Encryption Standard (AES) Crypto module
DES Instruction
– Encryption and Decryption
– Single-cycle DES instruction
– Encryption/Decryption in 16 clock cycles per 8-byte block
AES Crypto Module
– Encryption and Decryption
– Support 128-bit keys
– Support XOR data load mode to the State memory for Cipher Block Chaining
– Encryption/Decryption in 375 clock cycles per 16-byte block
24.2
Overview
The Advanced Encryption Standard (AES) and Data Encryption Standard (DES) are two com-
monly used encryption standards. These are supported through an AES peripheral module and
a DES CPU instruction. All communication interfaces and the CPU can optionally use AES and
DES encrypted communication and data storage.
DES is supported by a DES instruction in the AVR XMEGA CPU. The 8-byte key and 8-byte
data blocks must be loaded into the Register file, and then DES must be executed 16 times to
encrypt/decrypt the data block.
The AES Crypto Module encrypts and decrypts 128-bit data blocks with the use of a 128-bit key.
The key and data must be loaded into the key and state memory in the module before encryp-
tion/decryption is started. It takes 375 peripheral clock cycles before the encryption/decryption is
done and decrypted/encrypted data can be read out, and an optional interrupt can be generated.
The AES Crypto Module also has DMA support with transfer triggers when encryption/decryp-
tion is done and optional auto-start of encryption/decryption when the state memory is fully
loaded.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IQ80C52EXXX-12D | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQFP44 |
| IP80C32-L16:D | 8-BIT, 16 MHz, MICROCONTROLLER, PDIP40 |
| MQ80C52CXXX-25P883 | 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQFP44 |
| R83C154DTXXX-L16D | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQCC44 |
| R83C154DTXXX-25D | 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MR80C51BH | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:CMOS SINGLE - CHIP 8-BIT MICROCOMPUTER 64K program Memory Space |
| MR80C86 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor |
| MR80C86/B | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述:Microprocessor, 16 Bit, 44 Pin, Ceramic, LCC |
| MR80C86-2 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor |
| MR80C86-2/883 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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