DSP56321VL275

Digital Signal Processor Dsp Overview

The NXP DSP56321VL275 is a 24-bit digital signal processor belonging to the DSP56300 family. It delivers 275 MMACS performance at a 275 MHz clock speed, utilizing a 1.6 V core and 3.3 V I/O supply. The device integrates an Enhanced Filter Coprocessor (EFCOP) for parallel filtering acceleration, achieving up to 550 MMACS in specific applications. Internal memory includes configurable Program RAM, X/Y Data RAM, and a 1024-word instruction cache. Key peripherals include a six-channel DMA controller, two ESSI interfaces, an SCI module, timers, and a HI08 host interface.

Digital Signal Processor Dsp Feature Summary

• DSP56300 Core: 275 MMACS with pipelined 24x24-bit MAC and 56-bit barrel shifter
• EFCOP: Parallel 24x24-bit coprocessor supporting FIR/IIR filters and echo cancellation
• Memory Architecture: Configurable internal RAM (up to 192K total) and 1024-word instruction cache
• Peripherals: Six-channel DMA, dual ESSI, SCI, triple timer, and HI08 host interface

Digital Signal Processor Dsp Applications

• Wireless and wireline infrastructure systems
• Security encryption and decryption modules
• Home entertainment and multi-channel audio processing
• High-speed modem banks and IP telephony

Digital Signal Processor Dsp Procurement Notes

Verify the suffix 'VL' indicates lead-free packaging compliance as specified in Rev. 11 of the datasheet. Confirm the '275' designation matches the maximum clock frequency specification. Ensure the MAP-BGA package variant aligns with board layout requirements. Cross-reference the revision history for any lead-free part number updates.

Digital Signal Processor Dsp Selection Notes

Select this component when high-performance 24-bit DSP processing is required alongside dedicated hardware filtering capabilities via the EFCOP. The device supports flexible internal memory partitioning between program and data spaces. Consider the 1.6 V core and 3.3 V I/O power domains for appropriate voltage translation and decoupling strategies in the design.

Digital Signal Processor Dsp Part Context

The DSP56321 is part of the broader DSP56300 family, offering code compatibility with the legacy DSP56000 core. It is pin-compatible with related devices such as the DSP56303, DSP56L307, DSP56309, and DSP56311. This allows for potential migration or upgrade paths within designs requiring similar footprint constraints but enhanced performance features.

Digital Signal Processor Dsp Replacement Considerations

Direct pin-compatible replacements include the DSP56303, DSP56L307, DSP56309, and DSP56311. Verify that the substitute device meets the specific 275 MHz clock requirement and EFCOP functionality if those features are critical to the application design.