ADSP-2189MBCA-266

Digital Signal Processor Dsp Overview

The ADSP-2189MBCA-266 is a single-chip microcomputer optimized for digital signal processing, fabricated in a high-speed, low-power CMOS process. It operates with a 13.3 ns instruction cycle time at 2.5 volts, delivering 75 MIPS sustained performance. The device integrates the ADSP-2100 family base architecture with three computational units (ALU, MAC, shifter), two data address generators, and a program sequencer. On-chip memory consists of 32K words (24-bit) of program RAM and 48K words (16-bit) of data RAM. It features two serial ports, a 16-bit internal DMA port, a byte DMA port, and a programmable timer.

Digital Signal Processor Dsp Feature Summary

• Single-cycle instruction execution with a 13.3 ns cycle time at 2.5V
• 192K bytes of on-chip RAM configured as 32K words program and 48K words data memory
• Three independent computational units: ALU, Multiplier/Accumulator, and Barrel Shifter
• Two double-buffered serial ports with hardware companding support

Digital Signal Processor Dsp Applications

• Digital signal processing applications requiring high-speed numeric processing
• Battery-operated portable equipment utilizing power-down modes
• Systems requiring flexible I/O structure with 2.5V or 3.3V operation

Digital Signal Processor Dsp Procurement Notes

Verify the specific ordering suffix BC-266 against official Analog Devices documentation to confirm package type, temperature range, and speed grade. Ensure compatibility with development tools such as the EZ-KIT Lite and ADSP-2100 Family Development Software for system integration.

Digital Signal Processor Dsp Selection Notes

Select this component when a fixed-point DSP with integrated memory and dual serial ports is required. The device supports both Full Memory Mode and Host Mode via the Mode C pin during reset. Consider the 100-lead LQFP package constraints and the availability of ICE-Port emulation support for debugging final systems.

Digital Signal Processor Dsp Part Context

The ADSP-2189M belongs to the ADSP-218x series of the ADSP-2100 family. It extends the base architecture with new instructions including bit manipulations, x-squared multiplication, and biased rounding. The processor is code-compatible with other ADSP-2100 family members while offering enhanced flexibility through extensive interrupt capabilities and on-chip memory resources.

Digital Signal Processor Dsp Replacement Considerations

Consult Analog Devices documentation for direct substitutes within the ADSP-218x family. Verify architectural compatibility and pinout equivalence before replacing components in existing designs.