mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 589

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Chapter 26
Cryptographic Acceleration Unit (CAU)
26.1 Introduction
The cryptographic acceleration unit (CAU) is a ColdFire coprocessor implementing a set
of specialized operations in hardware to increase the throughput of software-based
encryption and hashing functions.
26.2 Block Diagram
This simplified block diagram illustrates the CAU.
Freescale Semiconductor, Inc.
Command
Operand1
Go
Figure 26-1. Top Level CAU Block Diagram
Register
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Decode
File
CA0-CA3
CAx
CAA
Hash
Preliminary
Datapath
Control
AES Row
DES /
ALU
Result
589