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ADSP-2171:  16-bit, 33 MIPS, 5v, 2 Serial Ports, Host Port

The ADSP-2171, ADSP-2172, and ADSP-2173 are single-chip microcomputers optimized for digital signal processing (DSP) and other high-speed numeric processing applications. The ADSP-2171 and ADSP-2172 are designed for 5.0 V applications. The ADSP-2173 is designed for 3.3 V applications. The ADSP-2172 also has 8K words (24-bit) of program ROM.

The ADSP-217x combines the ADSP-2100 base ...More

ADSP-2171:  16-bit, 33 MIPS, 5v, 2 Serial Ports, Host Port

Product Description

The ADSP-2171, ADSP-2172, and ADSP-2173 are single-chip microcomputers optimized for digital signal processing (DSP) and other high-speed numeric processing applications. The ADSP-2171 and ADSP-2172 are designed for 5.0 V applications. The ADSP-2173 is designed for 3.3 V applications. The ADSP-2172 also has 8K words (24-bit) of program ROM.

The ADSP-217x combines the ADSP-2100 base architecture (three computational units, data address generators, and a program sequencer) with two serial ports, a host interface port, a programmable timer, extensive interrupt capabilities, and on-chip program and data memory.

The ADSP-2171, ADSP-2172, and ADSP-2173 are single-chip microcomputers optimized for digital signal processing (DSP) and other high-speed numeric processing applications. The ADSP-2171 and ADSP-2172 are designed for 5.0 V applications. The ADSP-2173 is designed for 3.3 V applications. The ADSP-2172 also has 8K words (24-bit) of program ROM.

The ADSP-217x combines the ADSP-2100 base architecture (three computational units, data address generators, and a program sequencer) with two serial ports, a host interface port, a programmable timer, extensive interrupt capabilities, and on-chip program and data memory.

In addition, the ADSP-217x supports new instructions, which include bit manipulations-bit set, bit clear, bit toggle, bit test- new ALU constants, new multiplication instruction (x squared), biased rounding, and global interrupt masking, for increased flexibility. The ADSP-217x also has a Bus Grant Hang Logic (BGH) feature.

The ADSP-217x provides 2K words (24-bit) of program RAM and 2K words (16-bit) of data memory. The ADSP-2172 provides an additional 8K words (24-bit) of program ROM. Power-down circuitry is also provided to meet the low power needs of battery operated portable equipment. The ADSP-217x is available in 128-pin TQFP and 128-pin PQFP packages.

Fabricated in a high-speed, double metal, low power, CMOS process, the ADSP-217X operates with a 30 ns instruction cycle time. Every instruction can execute in a single processor cycle.

The ADSP-217x's flexible architecture and comprehensive instruction set allow the processor to perform multiple operations in parallel. In one processor cycle the ADSP-217x can:

  • generate the next program address
  • fetch the next instruction
  • perform one or two data moves
  • update one or two data address pointers
  • perform a computational operation

    • This takes place while the processor continues to:

  • receive and transmit data through the two serial ports
  • receive and/or transmit data through the host interface port
  • decrement timer

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    TOOLS, SOFTWARE & SIMULATION MODELS

    • 30 ns Instruction Cycle Time (33 MIPS) from 16.67 MHz Crystal at 5.0 V
    • 50 ns Instruction Cycle Time (20 MIPS) from 10 MHz Crystal at 3.3 V
    • ADSP-2100 Family Code & Function Compatible with New Instruction Set Enhancements for Bit Manipulation Instructions, Multiplication Instructions, Biased Rounding, and Global Interrupt Masking
    • Bus Grant Hang Logic
    • 2K Words of On-Chip Program Memory RAM
    • 2K Words of On-Chip Data Memory RAM
    • 8K Words of On-Chip Program Memory ROM (ADSP-2172)
    • 8- or 16-Bit Parallel Host Interface Port
    • 300 mW Typical Power Dissipation at 5.0 V at 30 ns
    • 70 mW Typical Power Dissipation at 3.3 V at 50 ns
    • Clock Speed (MHz): 33MHz
    • Program RAM Words(KWords): 2
    • Data RAM Word (KWords): 2
    • Ext. Memory Bus (Bits): 24bit
    • Host Port: Yes
    • SPORT: 2
    • SPI/UART: No
    • Timers: 1
    • Core Voltage (V): 5V
    • Package: 128 TQFP

    Functional Block Diagram for ADSP-2171

    ADSP-2171 Diagram
    Functional Block Diagram for ADSP-2171

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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.