ADSP-21mod870

Features: Complete Single-Chip Internet Gateway Processor (No External Memory Required)Implements V.34/V.90 Data/FAX Modem Including Controller and Datapump19 ns Instruction Cycle Time @ 3.3 V, 52 MIPS Sustained PerformanceOpen Architecture Platform Extensible to Voice Over IP and Other Applicatio...

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SeekIC No. : 004277678 Detail

ADSP-21mod870: Features: Complete Single-Chip Internet Gateway Processor (No External Memory Required)Implements V.34/V.90 Data/FAX Modem Including Controller and Datapump19 ns Instruction Cycle Time @ 3.3 V, 52 M...

floor Price/Ceiling Price

Part Number:
ADSP-21mod870
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/27

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Product Details

Description



Features:

Complete Single-Chip Internet Gateway Processor (No External Memory Required)
Implements V.34/V.90 Data/FAX Modem Including Controller and Datapump
19 ns Instruction Cycle Time @ 3.3 V, 52 MIPS Sustained Performance
Open Architecture Platform Extensible to Voice Over IP and Other Applications
Low Power Dissipation, 80 mW (Typical) for Digital Modem
Power-Down Mode Featuring Low CMOS Standby
Power Dissipation



Pinout

  Connection Diagram


Specifications

Supply Voltage . . . . . . . . . . . . . . . . .  .. . . . . .  0.3 V to +4.6 V
Input Voltage  . . . . . . . . . . . . . . . . . . . .  0.5 V to VDD + 0.5 V
Output Voltage Swing  . . . . . . . . . . . ..   .0.5 V to VDD + 0.5 V
Operating Temperature Range (Ambient)  .  .40°C to +85°C
Storage Temperature Range  . . . . . . . . .  . 65°C to +150°C
Lead Temperature (5 sec) LQFP . . . . . . . . . . . . . . . . .  +280°C
 


Description

The ADSP-21mod870 is a single-chip Internet gateway pro-cessor optimized for implementation of a complete V.34/56K modem. All data pump and controller functions can be imple-mented on a single chip, offering the lowest power consumption and highest possible modem port density.

The ADSP-21mod870, shown in the Functional Block Dia-gram, combines the ADSP-2100 family base architecture (three computational units, data address generators and a program sequencer) with two serial ports, a 16-bit internal DMA port, a byte DMA port, a programmable timer, Flag I/O, extensive interrupt capabilities and on-chip program and data memory. 


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