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ADSP-2187NBSTZ-320

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ADSP-2187NBSTZ-320 Overview

The ADSP-218xN series consists of six single chip microcomputers optimized for digital signal processing applications.All series members are pin-compatible and are differentiated solely by the amount of on-chip SRAM.This feature combined with ADSP-21xx code compatibility provide a great deal of flexibility in the design decision. Specifically, the series members are -

  • ADSP-2184N (4K PM/4K DM)
  • ADSP-2186N (8K PM/8K DM)
  • ADSP-2185N (16K PM/16K DM)
  • ADSP-2187N (32K PM/32K DM)
  • ADSP-2189N (32K PM/48K DM)
  • ADSP-2188N (48K PM/56K DM)

The ADSP-218xN series offers the highest performance (80Mhz/MIPS) and lowest power consumption (0.55mW/MIP @ 1.8V) within the ADSP-218x portfolio. All series members are offered in a 100-lead LQFP and 144-Ball MBGA packages.

ECAD Model

Footprint

ADSP-2187NBSTZ-320

Features

  • Power-Down Mode Featuring Low CMOS Standby Power Dissipation with 200 CLKIN Cycle Recovery from Power-Down Condition
  • 3-Bus Architecture Allows Dual Operand Fetches in Every Instruction Cycle
  • Multifunction Instructions
  • 12.5 ns Instruction Cycle Time @1.8 V (Internal), 80 MIPS Sustained Performance
  • Single-Cycle Instruction Execution
  • Single-Cycle Context Switch
  • Low Power Dissipation in Idle Mode

Applications

ADSP-21xx

Specifications

  • Clock Rate 80MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Type Fixed Point

  • Non-Volatile Memory External

  • Package / Case 100-LQFP

  • Voltage - Core 1.90V

  • Voltage - I/O 1.8V, 2.5V, 3.3V

  • Mounting Type Surface Mount

  • Interface Host Interface, Serial Port

  • Supplier Device Package 100-LQFP (14x14)

  • On-Chip RAM 160kB

Circuit Diagram

ADSP-2187N

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