dsp56000 Freescale Semiconductor, Inc, dsp56000 Datasheet - Page 54
dsp56000
Manufacturer Part Number
dsp56000
Description
24-bit Digital Signal Processor Family Manual
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.DSP56000.pdf
(637 pages)
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4.2.2 Offset Register Files (Nn)
Each of two offset register files shown in Figure 4-2 consists of four 16-bit registers. The
two files contain offset registers N0 - N3 and N4 - N7, which contain either data or offset
values used to update address pointers. Each offset register can be read or written by the
4 - 4
24-Bit 56K
Module
GENERATOR
INTERNAL
SWITCH
CLOCK
PLL
DATA
BUS
PERIPHERAL
MODULES
CONTROLLER
INTERRUPT
PROGRAM
GENERATION
Freescale Semiconductor, Inc.
MODC/NMI
MODB/IRQB
MODA/IRQA
RESET
ADDRESS
Figure 4-1 DSP56K Block Diagram
For More Information On This Product,
CONTROLLER
UNIT
PROGRAM
DECODE
Program Control Unit
ADDRESS GENERATION UNIT
AGU ARCHITECTURE
Go to: www.freescale.com
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
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