Overview
The ADSP-21371KSWZ-2B is a high-performance digital signal processor (DSP) from Analog Devices Inc., part of the SHARC family. This processor is designed for demanding audio and signal processing applications, offering a robust set of features and peripherals tailored for audio-centric tasks. With a core instruction rate of up to 266 MHz, it provides powerful processing capabilities and efficient memory management.
Key Specifications
| Specification | Details |
|---|---|
| Core Instruction Rate | Up to 266 MHz |
| On-chip SRAM | 1 Mbit (32k words of 32-bit data, 64k words of 16-bit data, etc.) |
| On-chip ROM | 4 Mbit mask-programmable |
| Serial Ports | 8 synchronous serial ports (SPORTs) with dedicated DMA channels |
| PWM Outputs | 16 PWM outputs configured as four groups of four outputs |
| Clock Generators | Four precision clock generators (PCG) |
| Security Features | ROM-based security with JTAG access and protected memory regions |
| Package Type | LQFP (16 I/O) |
Key Features
- Audiocentric Peripherals: Includes S/PDIF-compatible digital audio receiver/transmitter, input data port (IDP) for I2S serial data or synchronous parallel data acquisition.
- High-Speed Serial Ports: Eight synchronous serial ports (SPORTs) with up to 33 Mbps data transfer rate on each data line.
- Memory Architecture: Supports single-cycle, independent accesses by the core and I/O processors with flexible memory configurations.
- Precision Clock Generators: Four PCGs for precise clocking and synchronization.
- Security: ROM-based security features including JTAG access with a 64-bit key and protected memory regions.
- PWM Outputs: 16 PWM outputs in four groups for control applications.
Applications
The ADSP-21371KSWZ-2B is ideal for various audio and signal processing applications, including professional audio equipment, audio codecs, ADCs, DACs, and mixed-signal peripheral devices. It is also suitable for industrial control systems, medical devices, and other applications requiring high-performance DSP capabilities.
Q & A
- What is the core instruction rate of the ADSP-21371KSWZ-2B?
The core instruction rate is up to 266 MHz. - How much on-chip SRAM does the ADSP-21371KSWZ-2B have?
The processor has 1 Mbit of on-chip SRAM. - What type of serial ports does the ADSP-21371KSWZ-2B feature?
The processor features eight synchronous serial ports (SPORTs) with dedicated DMA channels. - Does the ADSP-21371KSWZ-2B have any security features?
Yes, it includes ROM-based security with JTAG access and protected memory regions. - What is the purpose of the precision clock generators (PCG) in the ADSP-21371KSWZ-2B?
The four PCGs provide precise clocking and synchronization for various applications. - How many PWM outputs does the ADSP-21371KSWZ-2B have?
The processor has 16 PWM outputs configured as four groups of four outputs. - What is the package type of the ADSP-21371KSWZ-2B?
The package type is LQFP with 16 I/O pins. - Can the ADSP-21371KSWZ-2B be used in industrial control systems?
Yes, it is suitable for industrial control systems due to its high-performance DSP capabilities. - Does the ADSP-21371KSWZ-2B support floating-point operations?
Yes, it supports both 32-bit and 16-bit floating-point operations. - How many data lines do the serial ports of the ADSP-21371KSWZ-2B have?
Each serial port has two data lines, a clock, and a frame sync.
