Overview
The ADSP-21369KSWZ-1A, produced by Analog Devices Inc., is a member of the third-generation SHARC (Super Harvard Architecture) family of Digital Signal Processors (DSPs). This processor is optimized for high-performance automotive audio applications and other demanding signal processing tasks. It features a 32-bit/40-bit floating-point architecture, large on-chip SRAM and ROM, and multiple internal buses to eliminate I/O bottlenecks. The ADSP-21369 is fabricated in a state-of-the-art, high-speed CMOS process, achieving an instruction cycle time of up to 2.5 ns at 400 MHz and delivering 2.4 GFLOPS peak performance.
Key Specifications
| Feature | Specification |
|---|---|
| Frequency | 400 MHz |
| SRAM | 2 Mbits |
| ROM | 6 Mbits (customer-definable) |
| External Memory Interface | 32-bit, supporting SDRAM, SRAM, and FLASH |
| Package Options | 208-Lead LQFP-EP, 256-Ball SBGA |
| Temperature Range | 0 to 70°C (commercial), -40 to +85°C (industrial) |
| Instruction Set | SIMD, supporting 32-bit fixed-point and 32-/40-bit floating-point arithmetic |
| DMA Channels | 34 zero-overhead DMA channels |
| PWM Channels | 16 Pulse Width Modulation (PWM) channels |
Key Features
- SIMD Computational Hardware: Supports parallel ALU and multiplier operations in both processing elements, enhancing performance on DSP algorithms.
- Memory Architecture: Includes 2 Mbits of internal SRAM and 6 Mbits of internal mask-programmable ROM, with single-cycle, independent accesses by the core and I/O processors.
- Digital Audio Interface (DAI): Enables user-definable access to system peripherals including 8 serial ports (SPORTs), S/PDIF Tx/Rx, and an 8-channel asynchronous sample rate converter.
- Digital Peripheral Interface (DPI): Supports 2 SPI-compatible ports, 2 UARTs, 3 full-featured timers, and a two-wire interface compliant to the I2C standard.
- Precision Clock Generators: 4 precision clock generators for precise timing control.
- PWM and S/PDIF: 16 PWM channels and S/PDIF transmitter/receiver for audio applications).
Applications
The ADSP-21369KSWZ-1A is primarily designed for high-performance automotive audio applications, but its robust feature set and high processing capabilities also make it suitable for a wide range of other applications, including:
- Professional Audio Systems: High-end audio processing, mixing, and effects.
- Industrial Control Systems: Real-time signal processing and control in industrial environments.
- Medical Devices: Advanced signal processing for medical imaging and diagnostics.
- Aerospace and Defense: High-reliability signal processing for various military and aerospace applications.
Q & A
- What is the maximum frequency of the ADSP-21369KSWZ-1A?
The maximum frequency of the ADSP-21369KSWZ-1A is 400 MHz.
- How much on-chip SRAM and ROM does the ADSP-21369KSWZ-1A have?
The ADSP-21369KSWZ-1A has 2 Mbits of SRAM and 6 Mbits of customer-definable ROM.
- What types of external memory interfaces are supported by the ADSP-21369KSWZ-1A?
The ADSP-21369KSWZ-1A supports a 32-bit external memory interface for SDRAM, SRAM, and FLASH.
- What is the temperature range for the ADSP-21369KSWZ-1A?
The temperature range for the ADSP-21369KSWZ-1A is 0 to 70°C (commercial) and -40 to +85°C (industrial).
- What is the instruction set architecture of the ADSP-21369KSWZ-1A?
The ADSP-21369KSWZ-1A uses a SIMD (Single Instruction, Multiple Data) architecture, supporting 32-bit fixed-point and 32-/40-bit floating-point arithmetic.
- How many DMA channels does the ADSP-21369KSWZ-1A have?
The ADSP-21369KSWZ-1A has 34 zero-overhead DMA channels.
- What audio-specific peripherals are included in the ADSP-21369KSWZ-1A?
The ADSP-21369KSWZ-1A includes an all-digital S/PDIF transmitter/receiver, 8-channel asynchronous sample rate converter, and 8 high-speed serial ports (SPORTs).
- What is the purpose of the Digital Audio Interface (DAI) in the ADSP-21369KSWZ-1A?
The DAI enables user-definable access to system peripherals including SPORTs, S/PDIF Tx/Rx, and the 8-channel asynchronous sample rate converter.
- Does the ADSP-21369KSWZ-1A support code compatibility with previous SHARC processors?
Yes, the ADSP-21369KSWZ-1A is code-compatible with all prior SHARC processors, allowing for maximum reuse of legacy code.
- What are the package options for the ADSP-21369KSWZ-1A?
The ADSP-21369KSWZ-1A is available in 208-Lead LQFP-EP and 256-Ball SBGA packages.
