ADSP-2187LKST-160

Digital Signal Processor Dsp Overview

The ADSP-2187LKST-160 is a fixed-point Digital Signal Processor from the Analog Devices ADSP-218x family, fabricated in a 0.5 μm CMOS process. It features a 30 ns instruction cycle time delivering 33 MIPS sustained performance with single-cycle execution. The device integrates 80 Kbytes of on-chip RAM, configured as 16K words (24-bit) of program memory and 16K words (16-bit) of data memory. It operates at 5V with a 100-lead TQFP package.

Digital Signal Processor Dsp Feature Summary

• ADSP-2100 Family code compatible with extended instruction set including bit manipulation and x-squared multiplication.
• Three independent computational units: ALU, Multiplier/Accumulator (MAC), and Barrel Shifter.
• Dual serial ports (SPORT0/SPORT1) with hardware companding and automatic data buffering.
• Integrated 16-bit Internal DMA port and Byte DMA port for external memory access.

Digital Signal Processor Dsp Applications

• High-performance digital signal processing applications requiring fixed-point arithmetic.
• Battery-operated portable equipment utilizing low power idle and power-down modes.
• Systems requiring glueless interface to off-chip RAM and I/O peripherals.

Digital Signal Processor Dsp Procurement Notes

Verify the specific ordering suffix against the manufacturer's current product status documentation. The provided datasheet covers the ADSP-2185 generation; confirm if the ADSP-2187 variant shares identical electrical specifications and pinout compatibility before procurement.

Digital Signal Processor Dsp Selection Notes

Select this processor for applications needing 33 MIPS performance with integrated memory. Ensure the system design supports the 100-lead TQFP package dimensions. Verify that the 5V operating voltage aligns with the target board's power supply rails and I/O requirements.

Digital Signal Processor Dsp Part Context

This component belongs to the ADSP-218x series, which extends the ADSP-2100 architecture. It is designed for high-speed numeric processing and offers code compatibility with earlier ADSP-2100 family members while providing increased on-chip memory and enhanced instruction sets.

Digital Signal Processor Dsp Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices for current equivalent models or obsolescence notices regarding the ADSP-218x family.