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Data Encryption Standard Execution Unit
4.1
Operational Registers.......................................................................................... 4-1
4.1.1
DEU Control Register (DCR)......................................................................... 4-2
4.1.2
DEU Configuration Register (DCFG) ............................................................ 4-2
4.1.3
DEU Status Register (DSR)............................................................................ 4-3
4.1.4
Key Registers.................................................................................................. 4-4
4.1.5
Initialization Vector ........................................................................................ 4-4
4.1.6
DATAIN ......................................................................................................... 4-4
4.1.7
DATAOUT ..................................................................................................... 4-4
5.1
Arc Four Execution Unit Registers..................................................................... 5-1
5.1.1
Status Register ................................................................................................ 5-2
5.1.2
Control Register.............................................................................................. 5-3
5.1.3
Clear Interrupt Register .................................................................................. 5-3
5.1.4
Key Length Register ....................................................................................... 5-3
5.1.5
Key (Low/Lower-middle/Upper-middle/Upper) Register.............................. 5-3
5.1.6
Message Byte Double-Word Register ............................................................ 5-4
5.1.7
Message Register ............................................................................................ 5-4
5.1.8
Cipher Register ............................................................................................... 5-4
5.1.9
S-box I/J Register............................................................................................ 5-5
5.1.10
S-box0 - S-box63 Memory............................................................................. 5-5
6.1
Operational Registers.......................................................................................... 6-1
6.1.1
MDEU Version Identification Register (MID)............................................... 6-2
6.1.2
MDEU Control Register (MCR)..................................................................... 6-2
6.1.3
Status Register (MSR) .................................................................................... 6-4
6.1.4
Message Buffer (MB0-MB15)..................................................................... 6-5
6.1.5
Message Digest Buffer (MA-ME) ................................................................. 6-5
-vi
PRELIMINARY-SUBJECT TO CHANGE WITHOUT NOTICE
CONTENTS
Title
Chapter 4
Chapter 5
Chapter 6
MPC180E Security Processor User's Manual
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