ADSP-21MOD980N Datasheet, PDF (1/42 Pages) Analog Devices – MultiPort Internet Gateway Processor

PRELIMINARY TECHNICAL DATA
a
MultiPort Internet
Gateway Processor
Preliminary Technical Data
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.
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©Analog Devices,Inc., 2001