dsp56004 Freescale Semiconductor, Inc, dsp56004 Datasheet - Page 3

• Manufacturer Part Number: dsp56004
• Description: Symphonytm Audio Dsp Family 24-bit Digital Signal Processors
• Manufacturer: Freescale Semiconductor, Inc

FEATURES
Digital Signal Processing Core
Memory
MOTOROLA
DSP56004
DSP56004ROM
Note:
1.
2.
1
Part Type
X data ROM is programmed with
These ROMs may be factory programmed with data/program provided by the application developer.
2
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•
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Efficient, object code compatible with the 24-bit DSP56000 core engine
Up to 40.5 Million Instructions Per Second (MIPS)—24.7 ns instruction cycle at
81 MHz; up to 324 Million Operations Per Second (MOPS) at 81 MHz
Highly parallel instruction set with unique DSP addressing modes
Two 56-bit accumulators including extension byte
Parallel 24
Double precision 48 48-bit multiply with 96-bit result in 6 instruction cycles
56-bit addition/subtraction in 1 instruction cycle
Fractional and integer arithmetic with support for multiprecision arithmetic
Hardware support for block floating-point Fast Fourier Transforms (FFT)
Hardware nested DO loops
Zero-overhead fast interrupts (2 instruction cycles)
Four 24-bit internal data buses and three 16-bit internal address buses for
simultaneous accesses to one program and two data memories
Fabricated in high-density CMOS
On-chip modified Harvard architecture which permits simultaneous accesses
to program and two data memories
Bootstrap loading from Serial Host Interface or External Memory Interface
Table 1 Memory Configuration (Word width is 24 bits)
Freescale Semiconductor, Inc.
For More Information On This Product,
ROM
None
24-bit multiply-accumulate in 1 instruction cycle (2 clock cycles)
2560
Go to: www.freescale.com
Program
DSP56004/D, Rev. 3
log
RAM
512
256
2
x
and
2
x
ROM
256
256
tables
X Data
; Y data ROM is programmed with a sine table.
RAM
256
256
ROM
256
256
Y Data
RAM
256
256
Boot-strap
DSP56004
Features
ROM
64
64
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