dsp56000 Freescale Semiconductor, Inc, dsp56000 Datasheet - Page 34

• Manufacturer Part Number: dsp56000
• Description: 24-bit Digital Signal Processor Family Manual
• Manufacturer: Freescale Semiconductor, Inc

The following paragraphs describe each of these components and provide a description
of data representation, rounding, and saturation arithmetic.
3 - 4
24 Bit 56K
Module
GENERATOR
INTERNAL
SWITCH
CLOCK
PLL
DATA
BUS
PERIPHERAL
MODULES
CONTROLLER
INTERRUPT
PROGRAM
OVERVIEW AND DATA ALU ARCHITECTURE
GENERATION
Freescale Semiconductor, Inc.
MODC/NMI
MODB/IRQB
MODA/IRQA
RESET
ADDRESS
For More Information On This Product,
CONTROLLER
Figure 3-1 DSP56K Block Diagram
UNIT
PROGRAM
DECODE
Program Control Unit
DATA ARITHMETIC LOGIC UNIT
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EXPANSION
GENERA TOR
PROGRAM
RAM/ROM
PROGRAM
ADDRESS
YAB
XAB
PAB
YDB
XDB
PDB
GDB
TWO 56-BIT ACCUMULATORS
EXPANSION
X MEMORY
24X24 + 56 56-BIT MAC
RAM/ROM
DATA ALU
EXPANSION
Y MEMORY
RAM/ROM
EXPANSION
EXTERNAL
EXTERNAL
ADDRESS
DATA BUS
CONTROL
SWITCH
SWITCH
OnCE™
BUS
BUS
16 BITS
24 BITS
AREA
MOTOROLA