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Atmel /AT91SAM9CN11 /SHA /MR

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Interpret as MR

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31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (MANUAL_START)SMOD 0 (SHORTEST)PROCDLY 0 (SHA1)ALGO0 (INACTIVE)DUALBUFF

DUALBUFF=INACTIVE, PROCDLY=SHORTEST, ALGO=SHA1, SMOD=MANUAL_START

Description

Mode Register

Fields

SMOD

Start Mode

0 (MANUAL_START): Manual Mode

1 (AUTO_START): Auto Mode

2 (IDATAR0_START): SHA_IDATAR0 access only Auto Mode
PROCDLY

Processing Delay

0 (SHORTEST): SHA processing runtime is the shortest one

1 (LONGEST): SHA processing runtime is the longest one
ALGO

SHA Algorithm.

0 (SHA1): SHA1 algorithm processed

1 (SHA256): SHA256 algorithm processed

4 (SHA224): SHA224 algorithm processed
DUALBUFF

Dual Input BUFFer

0 (INACTIVE): SHA_IDATARx and SHA_IODATARx cannot be written during processing of previous block.

1 (ACTIVE): SHA_IDATARx and SHA_IODATARx can be written during processing of previous block when SMOD=0x2. It speeds up the overall runtime of large files.

Links

()

Register Reference

https://github.com/cmsis-svd/cmsis-svd-data