Motorola MPC823e Reference Manual page 459

16.2.1 RISC Microcontroller Features
The following is a list of the RISC microcontroller's main features.
• One System Clock Cycle Per Instruction
• Fixed-Length Instruction Object Code
• Code is Executed from Internal ROM or Dual-Port RAM
• Automatically Switches to Low-Power Mode when Idle
• 32-Bit Data Path
• Optimized for Communication Processing
• Digital Signal Processing Capability Using MAC Arithmetic and Special
Addressing Modes
• DMA Bursts Serial Data to External Memory
INSTRUCTION
STORAGE
RAM
ROM
SEQUENCER
SCHEDULER
SERVICE REQUESTS
Figure 16-3. RISC Microcontroller Block Diagram
MOTOROLA
DECODER
REGISTER
FILE
DEVELOPMENT
SUPPORT
MPC823e REFERENCE MANUAL
Communication Processor Module
PROCESSING
UNITS
MULTIPLY
AND
ACCUMULATE
CYCLIC
DMA
REDUNDANCY
CHECK
ARITHMETIC
LOGIC
UNIT
DUAL-PORT RAM
PERIPHERAL
INTERFACE
PERIPHERAL
BUS
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