Overview
The ADSP-21571KSWZ-4 is a high-performance digital signal processor (DSP) from Analog Devices Inc., part of the SHARC+ family. This processor is optimized for high-performance audio and floating-point applications, featuring a dual-core SHARC+ DSP and an ARM Cortex-A5 core. It is designed to provide robust processing capabilities with extensive on-chip memory and advanced peripherals, making it suitable for a wide range of applications, including automotive, professional audio, and more.
Key Specifications
| Specification | Details |
|---|---|
| Processor Cores | Dual-enhanced SHARC+ high performance floating-point cores, ARM Cortex-A5 core |
| Core Frequency | Up to 500 MHz per SHARC+ core, 500 MHz/800 DMIPS for ARM Cortex-A5 core |
| L1 SRAM Memory | Up to 3 Mb (384 kB) per SHARC+ core with parity (optional cache configuration) |
| L2 SRAM Memory | Up to 1 MB shared L2 SRAM with ECC protection |
| L3 Interface | 16-bit interface to DDR3, DDR2, or LPDDR1 SDRAM devices |
| Cache | 32 kB L1 instruction cache and 32 kB L1 data cache with parity for ARM Cortex-A5, 256 kB L2 cache with parity |
| Package | 176-Lead LQFP (24mm x 24mm w/ EP), RoHS compliant |
| Temperature Range | 0°C to 90°C |
| Security Features | Cryptographic hardware accelerators, fast secure boot with IP protection, support for ARM TrustZone |
Key Features
- Dual-enhanced SHARC+ high performance floating-point cores with support for 32-bit, 40-bit, and 64-bit floating-point operations and 32-bit fixed point operations.
- ARM Cortex-A5 core with NEON/VFPv4-D16/Jazelle, operating at 500 MHz/800 DMIPS.
- Powerful DMA system and on-chip memory protection.
- Integrated safety features and low system power across automotive temperature range.
- Innovative digital audio interfaces (DAI) and FIR, IIR offload engines.
- Support for external memory interfaces such as DDR3, DDR2, and LPDDR1.
- Security features including cryptographic hardware accelerators and fast secure boot with IP protection.
Applications
- Automotive applications: active and road noise cancellation (ANC/RNC), voice-based user-interfaces and in-car communications (ICC), engine sound synthesis (ESS), and electric vehicle warning sound systems (EVWSS/AVAS).
- Professional audio: immersive 3D sound, personal audio zones (PAZ), soundbars, and home AVRs with 3D Object and Multi-Channel Audio.
- Enhanced conferencing systems and other voice processing applications.
Q & A
- What is the ADSP-21571KSWZ-4 processor based on?
The ADSP-21571KSWZ-4 is based on the SHARC+ dual-core and the ARM Cortex-A5 core.
- What are the key features of the SHARC+ cores in the ADSP-21571KSWZ-4?
The SHARC+ cores support 32-bit, 40-bit, and 64-bit floating-point operations, 32-bit fixed point operations, and feature cache enhancements and branch prediction.
- What is the maximum frequency of the SHARC+ cores and the ARM Cortex-A5 core?
The SHARC+ cores can operate up to 500 MHz, and the ARM Cortex-A5 core operates at 500 MHz/800 DMIPS.
- How much on-chip SRAM memory does the ADSP-21571KSWZ-4 have?
The processor has up to 3 Mb (384 kB) L1 SRAM per SHARC+ core and up to 1 MB shared L2 SRAM with ECC protection.
- What types of external memory interfaces does the ADSP-21571KSWZ-4 support?
The processor supports DDR3, DDR2, and LPDDR1 SDRAM devices through a 16-bit L3 interface.
- What security features are included in the ADSP-21571KSWZ-4?
The processor includes cryptographic hardware accelerators, fast secure boot with IP protection, and support for ARM TrustZone.
- What are some of the automotive applications of the ADSP-21571KSWZ-4?
Automotive applications include active and road noise cancellation, voice-based user-interfaces, engine sound synthesis, and electric vehicle warning sound systems.
- What is the package type and temperature range of the ADSP-21571KSWZ-4?
The processor is available in a 176-Lead LQFP package and operates within a temperature range of 0°C to 90°C.
- Does the ADSP-21571KSWZ-4 support any specific development tools?
Yes, it supports the CrossCore Embedded Studio (CCES) development environment.
- What are some of the professional audio applications of the ADSP-21571KSWZ-4?
Professional audio applications include immersive 3D sound, personal audio zones, soundbars, and home AVRs with 3D Object and Multi-Channel Audio.
