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PDSP1601A - ALU and Barrel Shifter

Datasheet Summary

Description

AC pin Function AC pin Function AC pin Function AC pin Function C6 A6 A5 B5 C5 A4 B4 A3 A2 B3 A1 B2 C2 B1 C1 D2 D1 E3 E2 E1 F1 IA4 MSB MSS B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 CEB CLK F3 G3 G1 G2 F1 H1 H2 J1 K1 J2 L1 K2 K3 L2 L3 K4 L4 J5 K5 L5 K6 GND MSA0 MSA1 A15 A14 A13 A12 A11 A1

Features

  • s s s s s s s s s 16-bit, 32 instruction 20MHz ALU 16-bit, 20MHz Logical, Arithmetic or Barrel Shifter Independent ALU and Shifter Operation 4 x 16-bit On Chip Scratchpad Registers Multiprecision Operation; e. g. 200ns 64-bit Accumulate Three Port Structure with Three Internal Feedback Paths Eliminates I/O Bottlenecks Block Floating Point Support 300mW Maximum Power Dissipation 84-pin Pin Grid Array or 84 Contact LCC Packages or 100 pin Ceramic Quad Flat Pack GC100 Fig.1 Pin connections - bot.

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Datasheet Details

Part number PDSP1601A
Manufacturer Mitel Networks Corporation
File Size 137.34 KB
Description ALU and Barrel Shifter
Datasheet download datasheet PDSP1601A Datasheet
Additional preview pages of the PDSP1601A datasheet.

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Full PDF Text Transcription

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PDSP1601/PDSP1601A ALU and Barrel Shifter Supersedes version DS3705 - 2.3 September 1996 DS3705 - 3.0 November 1998 PDSP1601/PDSP1601A The PDSP1601 is a high performance 16-bit arithmetic logic unit with an independent on-chip 16-bit barrel shifter. The PDSP1601A has two operating modes giving 20MHz or 10MHz register-to-register transfer rates. The PDSP1601 supports Multicycle multiprecision operation. This allows a single device to operate at 20MHz for 16-bit fields, 10MHz for 32-bit fields and 5MHz for 64-bit fields. The PDSP1601 can also be cascaded to produce wider words at the 20MHz rate using the Carry Out and Carry In pins. The Barrel Shifter is also capable of extension, for example the PDSP1601 can used to select a 16-bit field from a 32-bit input in 100ns.
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