
DSP56007
Features
MOTOROLA
DSP56007/D iii
FEATURES
Digital Signal Processing Core
•
Efficient, object code compatible with the 24-bit DSP56000 core family engine
•
Up to 44 Million Instructions Per Second (MIPS)—22.7 ns instruction cycle at
88 MHz
•
Highly parallel instruction set with unique DSP addressing modes
•
Two 56-bit accumulators including extension byte
•
Parallel 24
×
24-bit multiply-accumulate in 1 instruction cycle (2 clock cycles)
•
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
Memory
•
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)
Mode
Program
X Data
Y Data
Bootstrap
ROM
PE
ROM
RAM
ROM
RAM
ROM
RAM
0
6400
None
512
1024
512
2176
52
1
5120
1024
512
1024
512
1152
52
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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Содержание NXP SYMPHONY DSP56007
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