NXP DSP56321 24-Bit Digital Signal Processor Reference Manual
Reference manual for the DSP56321 24-bit digital signal processor, detailing the DSP56300 core, memory configuration, peripherals, and programming registers.
Overview
This technical reference manual provides a detailed description of the DSP56321, a 24-bit digital signal processor built on the DSP56300 core architecture. It covers core functional blocks including the Data ALU, Multiplier-Accumulator (MAC), Address Generation Unit (AGU), and Program Control Unit (PCU). The document specifies internal and external memory configurations, clock generation, and DMA controller operations. Detailed sections are provided for integrated peripherals such as the Enhanced Synchronous Serial Interface (ESSI), Serial Communications Interface (SCI), Host Interface (HI08), Triple Timer Module, and the Enhanced Filter Coprocessor (EFCOP). It also includes information on the JTAG TAP, OnCE module, and bootstrap programming.
Use Cases
- Digital signal processing system design
- Embedded software development for DSP56300 architecture
- Real-time audio and speech processing
- Implementation of digital filters using EFCOP
- Designing high-speed serial communication interfaces