Overview
— AESU—Advanced Encryption Standard unit
– Implements the Rijndael symmetric key cipher
– ECB, CBC, CTR, and CCM modes
– 128-, 192-, and 256-bit key lengths
— AFEU—ARC four execution unit
– Implements a stream cipher compatible with the RC4 algorithm
– 40- to 128-bit programmable key
— MDEU—message digest execution unit
– SHA with 160- or 256-bit message digest
– MD5 with 128-bit message digest
– HMAC with either algorithm
— KEU—Kasumi execution unit
– Implements F8 algorithm for encryption and F9 algorithm for integrity checking
– Also supports A5/3 and GEA-3 algorithms
— RNG—random number generator
— XOR engine for parity checking in RAID storage applications
2
•
•
Dual I C controllers
— Two-wire interface
— Multiple master support
2
— Master or slave I C mode support
— On-chip digital filtering rejects spikes on the bus
Boot sequencer
2
— Optionally loads configuration data from serial ROM at reset via the I C interface
— Can be used to initialize configuration registers and/or memory
2
— Supports extended I C addressing mode
— Data integrity checked with preamble signature and CRC
DUART
•
•
— Two 4-wire interfaces (SIN, SOUT, RTS, CTS)
— Programming model compatible with the original 16450 UART and the PC16550D
Local bus controller (LBC)
— Multiplexed 32-bit address and data bus operating at up to 133 MHz
— Eight chip selects support eight external slaves
— Up to eight-beat burst transfers
— The 32-, 16-, and 8-bit port sizes are controlled by an on-chip memory controller.
— Three protocol engines available on a per chip select basis:
– General-purpose chip select machine (GPCM)
– Three user programmable machines (UPMs)
MPC8548E PowerQUICC™ III Integrated Processor Hardware Specifications, Rev. 6
Freescale Semiconductor
5
FREESCALE [ Freescale ]
