ADSP-2188MKSTZ-300

Digital Signal Processor Dsp Overview

The ADSP-2188MKSTZ-300 is a 16-bit digital signal processor from the ADSP-2100 family, fabricated in a high-speed CMOS process. It features an Enhanced Harvard architecture with three independent computational units: an ALU, a multiplier/accumulator (MAC), and a barrel shifter. The device integrates 48K words of 24-bit program RAM and 56K words of 16-bit data RAM. Operating at a maximum clock frequency of 75 MHz, it achieves a 13.3 ns instruction cycle time and sustains 75 MIPS performance. It supports single-cycle instruction execution and context switching, with flexible memory interfaces including full memory mode and host mode configurations.

Digital Signal Processor Dsp Feature Summary

• High-performance 16-bit DSP core with 75 MIPS sustained processing capability at 75 MHz.
• Integrated on-chip memory comprising 48K words of 24-bit program RAM and 56K words of 16-bit data RAM.
• Three-bus architecture enabling dual operand fetches and parallel computation within a single cycle.
• Dual synchronous serial ports (SPORTs) with hardware companding and automatic data buffering.

Digital Signal Processor Dsp Applications

• Digital audio processing and codec applications utilizing SPORT interfaces.
• Multiprocessor communication systems requiring efficient data transfer via IDMA or BDMA ports.
• Industrial control systems leveraging programmable I/O and interrupt capabilities.
• Embedded signal processing tasks benefiting from zero-overhead looping and circular addressing.

Digital Signal Processor Dsp Procurement Notes

Verify the specific suffix 'MKS' against Analog Devices documentation to confirm package type (LQFP-100) and temperature range (Commercial). Ensure compatibility with existing development tools such as VisualDSP++ for software support. Confirm RoHS compliance status for the specific manufacturing lot if required by system specifications.

Digital Signal Processor Dsp Selection Notes

Select this component when a 16-bit fixed-point DSP with substantial on-chip memory is required. The ADSP-2188M is suitable for applications needing flexible memory mapping between full memory mode and host mode. Consider the 100-lead LQFP package for ease of prototyping or the Mini-BGA for space-constrained designs. Evaluate power consumption requirements, noting the low-power idle and power-down modes available for battery-operated equipment.

Digital Signal Processor Dsp Part Context

The ADSP-2188M belongs to the ADSP-2100 family, which shares a common base architecture with other members like the ADSP-2186 and ADSP-2189. This family is known for code compatibility and algebraic assembly syntax. The ADSP-2188M specifically offers a balance of memory size and processing speed, positioned between lower-memory variants and higher-performance models in the series.

Digital Signal Processor Dsp Replacement Considerations

Direct pin-compatible replacements within the same package may include other ADSP-218x family members such as the ADSP-2186M or ADSP-2189M, provided memory sizes and peripheral configurations meet application needs. Verify software compatibility as instruction set extensions may vary slightly between family members.

Digital Signal Processor Dsp FAQ

What are the two primary operating modes of the ADSP-2188M?

The ADSP-2188M operates in Full Memory Mode (Mode C = 0), allowing byte DMA and full external memory access, or Host Mode (Mode C = 1), which utilizes the Internal DMA port for direct access to on-chip memory.

How does the ADSP-2188M handle loop execution?

The device features a powerful program sequencer with internal loop counters and stacks that enable zero-overhead looping, eliminating the need for explicit jump instructions to maintain loops.

What computational units are integrated into the ADSP-2188M?

It integrates three independent computational units: an Arithmetic Logic Unit (ALU), a Multiplier/Accumulator (MAC) with 40-bit accumulation, and a Barrel Shifter for logical and arithmetic shifts.