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PDSP16318MC

Mitel Networks Corporation
Part Number PDSP16318MC
Manufacturer Mitel Networks Corporation
Description PDSP16256GC1R
Published Mar 22, 2005
Detailed Description PDSP16318/16318A PDSP16318/PDSP16318A Complex Accumulator Advance Information Supersedes version DS3708 - 2.4 September...
Datasheet PDF File PDSP16318MC PDF File

PDSP16318MC
PDSP16318MC

Overview
PDSP16318/16318A PDSP16318/PDSP16318A Complex Accumulator Advance Information Supersedes version DS3708 - 2.
4 September 1996 DS3708 - 3.
1 November 1998 The PDSP16318/A contains two independent 20-bit Adder/Subtractors combined with accumulator registers and shift structures.
The four port architecture permits full 20MHz throughout in FFT and filter applications.
Two PDSP16318As combined with a single PDSP16112A Complex Multiplier provide a complete arithmetic solution for a Radix 2 DIT FFT Butterfly.
A new complex Butterfly result can be generated every 50ns allowing 1K complex FFTs to be executed in 256µs.
GC100 FEATURES s s s s s s s s s s s s s s Full 20MHz Throughout in FFT Applications Four Independent 16-bit I/O Ports 20-bit Addition or Accumulation Fully Compatible with PDSP16112 Complex Multiplier On Chip Shift Structures for Result Scaling Overflow Detection Independent Three-State Outputs and Clock Enables for 2 Port 20MHz Operation 1.
4 micron CMOS 500mW Maximum Power Dissipation 100 CQFP package Fig.
1 Pin connections - Top view (GC100) ASSOCIATED PRODUCTS PDSP16112 PDSP16116 PDSP1601 PDSP16330 16 x 12 Complex Multiplier 16 x 16 Complex Multiplier ALU and Barrel Shifter Pythagoras Processor ORDERING INFORMATION Industrial (-40°C to +85°C) PDSP16318A/IG/GC1R (20MHz - QFP) Military (-55°C to +125°C) PDSP16318/MC/GC1R (10MHz - QFP MIL STD 883C Screened) N.
B.
Further details of the Military grade part are available in a separate datasheet APPLICATIONS High speed Complex FFT or DFTs Complex Finite Impulse Response (FIR) Filtering Complex Conjugation Complex Correlation/Convolution A REG DELAY B SHIFT A REG C A SHIFT B REG B REG D Fig.
2 PDSP16318 simplified block diagram 1 PDSP16318/16318A CEA DEL ASR S2:0 OEC 16 A A REG 16 8 CYCLE DELAY MUX 20 B 20 SHIFT A 16 REG 16 D 20 MUX REG 20 CLK 20 MS MUX 20 REG CLR OVR A 16 SHIFT 16 B REG 16 B 20 REG 16 D CEB ASI OED Fig.
3 Block diagram 2 PDSP16318/16318A FUNCTIONAL DESCRIPTION Th...


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