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型號：	MQ80C52CXXX-36SBR
廠商：	TEMIC SEMICONDUCTORS
元件分類：	微控制器/微處理器
英文描述：	8-BIT, MROM, 36 MHz, MICROCONTROLLER, CQFP44
文件頁數(shù)：	79/1447頁
文件大小：	3788K
代理商：	MQ80C52CXXX-36SBR

6437E–ATARM–23-Apr-13

Start Modes

The SMOD field in the AES Mode Register (AES_MR) allows selection of the encryption (or

decryption) start mode.

The sequence is as follows:

Write the 128-bit/192-bit/256-bit key in the Key Registers (AES_KEYWRx).

Write the initialization vector (or counter) in the Initialization Vector Registers (AES_IVRx).

The Initialization Vector Registers concern all modes except ECB.

Set the bit DATRDY (Data Ready) in the AES Interrupt Enable register (AES_IER),

depending on whether an interrupt is required or not at the end of processing.

Write the data to be encrypted/decrypted in the authorized Input Data Registers (See Table

In 64-bit CFB mode, writing to AES_IDATAR2 and AES_IDATAR3 registers is not allowed and may

lead to errors in processing.

In 32-, 16- and 8-bit CFB modes, writing to AES_IDATAR1, AES_IDATAR2 and AES_IDATAR3

registers is not allowed and may lead to errors in processing.

Set the START bit in the AES Control register AES_CR to begin the encryption or the

decryption process.

When processing completes, the bit DATRDY in the AES Interrupt Status Register

(AES_ISR) raises. If an interrupt has been enabled by setting the bit DATRDY in AES_IER,

the interrupt line of the AES is activated.

When the software reads one of the Output Data Registers (AES_ODATARx), the DATRDY

bit is automatically cleared.

The Auto Mode is similar to the manual one, except that in this mode, as soon as the correct

number of Input Data registers is written, processing is automatically started without any action

in the Control Register.

Table 44-2.

Authorized Input Data Registers

Operation Mode

Input Data Registers to Write

AES_IDATAR0 and AES_IDATAR1

AES_IDATAR0

AES_IDATAR0

AES_IDATAR0

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相關代理商/技術參數(shù)	參數(shù)描述
MQ82370-20	制造商:Rochester Electronics LLC 功能描述:- Bulk
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MQ82380-20	制造商:Rochester Electronics LLC 功能描述:- Bulk
MQ82380-20/R	制造商:Rochester Electronics LLC 功能描述:
MQ82592	制造商:Rochester Electronics LLC 功能描述:- Bulk

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