Overview
The ADSP-21562KSWZ4 is a high-performance digital signal processor (DSP) from Analog Devices Inc., part of the SHARC+ family. This processor is optimized for applications requiring high-performance audio and floating-point processing. It features a single-core SHARC+ architecture with a maximum clock frequency of 400 MHz. The ADSP-21562KSWZ4 is designed to provide deterministic and low-latency real-time audio processing, making it ideal for automotive, professional audio, and industrial applications.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | SHARC+ single core, up to 400 MHz |
| Level 1 (L1) SRAM | 640 KB with parity (optional cache configuration) |
| Level 2 (L2) SRAM | 256 KB with ECC protection |
| DDR3 and DDR3L Controller | 16-bit interface |
| Floating-Point Support | 32-bit, 40-bit, and 64-bit |
| Fixed-Point Support | 32-bit |
| Addressing | Byte, short word, word, long word |
| Package | 120-lead LQFP_EP (14mm x 14mm, 0.4 mm pitch), RoHS compliant |
| Temperature Range | 0°C to +110°C |
| GPIO and DAI Pins | 22 GPIO pins, 24 DAI pins |
| Security Features | Crypto hardware accelerators, fast secure boot with IP protection, dual CRC, watchdog timers, thermal monitor unit |
| Peripheral Interfaces | 8x Full SPORT interfaces, 2x S/PDIF Rx/Tx, 4x I2C, 2x UARTs, 2x Quad SPI, 1x Octal SPI |
Key Features
- Enhanced SHARC+ high-performance floating-point core with cache enhancements and branch prediction.
- Large on-chip Level 1 (L1) SRAM with parity and optional cache configuration.
- On-chip Level 2 (L2) SRAM with ECC protection.
- Support for 32-bit, 40-bit, and 64-bit floating-point and 32-bit fixed-point operations.
- Powerful DMA system and innovative digital audio interfaces (DAI).
- Advanced hardware accelerators including FIR/IIR offload engines and security crypto engines.
- Multiple peripheral interfaces such as SPORT, S/PDIF, I2C, UARTs, SPI, and Octal SPI.
- Integrated safety features including watchdog timers, thermal monitor unit, and system memory protection unit.
- AEC-Q100 qualified for automotive applications.
Applications
- Automotive: Audio amplifiers, head units, active and road noise cancellation (ANC/RNC), voice-based user interfaces, engine sound synthesis (ESS), electric vehicle warning sound systems (EVWSS/AVAS), and digital cockpit applications.
- Professional Audio: Mixing consoles, next-gen conferencing systems, microphone arrays, and headphones.
- Consumer Audio: 3D soundbars, AVRs, and home audio systems.
- Industrial Applications: High-performance signal processing and multimedia support.
Q & A
- What is the maximum clock frequency of the ADSP-21562KSWZ4?
The maximum clock frequency of the ADSP-21562KSWZ4 is 400 MHz.
- What type of SRAM does the ADSP-21562KSWZ4 have?
The ADSP-21562KSWZ4 has 640 KB of Level 1 (L1) SRAM and 256 KB of Level 2 (L2) SRAM with ECC protection.
- What are the key features of the SHARC+ core in the ADSP-21562KSWZ4?
The SHARC+ core features cache enhancements, branch prediction, and support for 32-bit, 40-bit, and 64-bit floating-point operations.
- What types of peripheral interfaces are available on the ADSP-21562KSWZ4?
The ADSP-21562KSWZ4 includes interfaces such as SPORT, S/PDIF, I2C, UARTs, SPI, and Octal SPI.
- Is the ADSP-21562KSWZ4 qualified for automotive applications?
- What are some of the security features of the ADSP-21562KSWZ4?
The ADSP-21562KSWZ4 includes crypto hardware accelerators, fast secure boot with IP protection, dual CRC, and watchdog timers.
- What is the package type and size of the ADSP-21562KSWZ4?
The ADSP-21562KSWZ4 is available in a 120-lead LQFP_EP package (14mm x 14mm, 0.4 mm pitch).
- What are the typical applications of the ADSP-21562KSWZ4 in the automotive sector?
In the automotive sector, the ADSP-21562KSWZ4 is used in applications such as audio amplifiers, head units, ANC/RNC, and electric vehicle warning sound systems.
- Does the ADSP-21562KSWZ4 support external memory interfaces?
- What development tools are available for the ADSP-21562KSWZ4?
Analog Devices provides various development tools, including rapid prototyping hardware and software, and collaborations with third-party software solutions like Audio Weaver and Dirac.
