dsp56l002 Freescale Semiconductor, Inc, dsp56l002 Datasheet - Page 2

• Manufacturer Part Number: dsp56l002
• Description: 24-bit Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

DSP56002/L002 Features
Digital Signal Processing Core
Memory
Peripheral and Support Circuits
MOTOROLA
• Efficient, object code compatible, 24-bit 56000-Family DSP engine
• On-chip Harvard architecture permitting simultaneous accesses to program and two
• 512 24-bit on-chip program RAM and 64 24-bit bootstrap ROM
• Two 256 24-bit on-chip data RAMs
• Two 256 24-bit on-chip data ROMs containing sine, A-law and -law tables
• External memory expansion with 16-bit address and 24-bit data buses
• Bootstrap loading from external data bus, Host Interface, or
• Byte-wide Host Interface (HI) with direct memory access support
• Synchronous Serial Interface (SSI) to communicate with codecs and
• Serial Communication Interface (SCI) for full-duplex asynchronous communications
• 24-bit Timer/Event Counter also generates and measures digital waveforms
• On-chip peripheral registers memory mapped in data memory space
• Double buffered peripherals
data memories
Serial Communications Interface
synchronous serial devices
— Up to 33 Million Instructions Per Second (MIPS) – 30.3 ns instruction cycle at 66 MHz
— Up to 198 Million Operations Per Second (MOPS) at 66 MHz
— Performs a 1024-point complex Fast Fourier Transform (FFT) in 59,898 clocks
— 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 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 maximum
— Up to 32 software-selectable time slots in network mode
information transfer on-chip
Freescale Semiconductor, Inc.
For More Information On This Product,
DSP56002/L002 Product Information
Go to: www.freescale.com
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