ADSP-21MOD980N-000 查看數據表（PDF） - Analog Devices
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ADSP-21MOD980N-000 Datasheet PDF : 42 Pages
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Preliminary Technical Data
MultiPort Internet
Gateway Processor
ADSP-21mod980N
PERFORMANCE FEATURES
Complete Single Device Multi-Port Internet Gateway
Processor (No External Memory Required)
Implements Sixteen Modem Channels or Forty Voice
Channels in One Package
Each DSP Can Implement two V.34/V.90 Data/Fax
Modem Channels (includes Datapump and
Controller)
Low Power Version: 640 MIPS Sustained Performance,
12.5 ns Instruction Time @ 1.9 Volts nominal
(internal)
Open Architecture Extensible to Voice-over-Network
(VoN) and Other Applications
Low Power Dissipation, 25 mW (typical) per Channel
Powerdown Mode Featuring Low CMOS Standby Power
Dissipation
INTEGRATION FEATURES
ADSP-2100 Family Code-Compatible, with Instruction
Set Extensions
16 Mbits of On-Chip SRAM, Configured as 9 Mbits of
Program Memory and 7 Mbits of Data Memory
Dual-Purpose Program Memory, for Both Instruction
and Data Storage
352-Ball PBGA with a 35mm ؋ 35mm footprint
SYSTEM CONFIGURATION FEATURES
16-Bit Internal DMA Port for High-Speed Access to
On-Chip Memory (Mode-Selectable)
Programmable Multichannel Serial Port Supports 24/32
Channels
Two Double-Buffered Serial Ports with Companding
Hardware and Automatic Data Buffering
Separate Reset Pins for Each Internal Processor
Host IDMA
SPORT0
SPORT1
21mod980N
2188N
DSP 1
2188N
DSP 2
2188N
DSP 3
2188N
DSP 4
2188N
DSP 5
2188N
DSP 6
2188N
DSP 7
2188N
DSP 8
CONTROL
Figure 1. MOD980N MultiPort Internet Gateway Processor Block Diagram
REV. PrB 6/2001
This information applies to a product under development. Its characteristics
and specifications are subject to change without notice. Analog Devices
assumes no obligation regarding future manufacturing unless otherwise
agreed to in writing.
One Technology Way, P.O.Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel:781/329-4700 World Wide Web Site: http://www.analog.com
Fax:781/326-8703
©Analog Devices,Inc., 2001
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