ADSP-2186NKST-320

Digital Signal Processor Dsp Overview

The ADSP-2186NKST-320 is a single-chip microcomputer from the ADSP-218xN series, optimized for digital signal processing applications. Fabricated in a 0.18 μm CMOS process, it features a 12.5 ns instruction cycle time at 1.8 V, delivering 80 MIPS sustained performance. The device integrates up to 256K bytes of on-chip SRAM, configured as 8K words (24-bit) of program memory and 8K words (16-bit) of data memory. It includes three independent computational units: an ALU, a multiplier/accumulator with 40-bit accumulation, and a shifter. The architecture supports dual operand fetches per cycle via a 3-bus system.

Digital Signal Processor Dsp Feature Summary

• Single-cycle instruction execution with 12.5 ns cycle time at 1.8 V
• Integrated 8K-word program RAM and 8K-word data RAM
• Three independent computational units: ALU, MAC, and Shifter
• Two double-buffered synchronous serial ports (SPORTs)
• Low-power modes including Power-Down with 200 CLKIN recovery

Digital Signal Processor Dsp Applications

• Digital signal processing laboratory environments
• Battery-operated portable equipment requiring low power consumption
• Systems utilizing ADSP-2100 family code compatibility
• Applications requiring flexible I/O for 1.8 V, 2.5 V, or 3.3 V operation

Digital Signal Processor Dsp Procurement Notes

Verify the specific ordering suffix against the manufacturer's current Ordering Guide to confirm package type and temperature range. Ensure that any assumed functional differences based on suffix variations are explicitly supported by official documentation. Cross-reference the part number with the latest datasheet revision to confirm electrical characteristics and pinout compatibility.

Digital Signal Processor Dsp Selection Notes

Select this component when designing systems requiring ADSP-21xx code compatibility with integrated on-chip memory. The ADSP-2186N variant provides 8K words each of program and data RAM, distinguishing it from other members of the 218xN series which offer varying memory sizes. Consider the 100-lead LQFP or 144-ball BGA packages based on board space constraints.

Digital Signal Processor Dsp Part Context

The ADSP-2186NKST-320 belongs to the ADSP-218xN series, which consists of six pin-compatible single-chip microcomputers differentiated solely by on-chip SRAM capacity. This series combines the ADSP-2100 base architecture with enhanced integration features such as internal DMA ports and programmable timers. All members share identical instruction sets and architectural blocks.

Digital Signal Processor Dsp Replacement Considerations

Other members of the ADSP-218xN series, such as the ADSP-2184N, ADSP-2185N, ADSP-2187N, ADSP-2188N, and ADSP-2189N, are pin-compatible alternatives. Selection among these depends primarily on the required amount of on-chip program and data RAM.