Overview
The ADSP-21478KSWZ-1A is a high-performance, low-power digital signal processor (DSP) from Analog Devices Inc., part of the fourth generation SHARC Processor family. This DSP is designed to offer exceptional performance and efficiency, making it suitable for a variety of applications, including automotive audio and industrial control systems. With a core clock speed of 266 MHz and delivering 1596 MFLOPs, it provides robust processing capabilities while maintaining low power consumption, which is crucial for battery-powered devices and high-temperature environments.
Key Specifications
| Specification | Value |
|---|---|
| Core Clock Speed | 266 MHz |
| Performance | 1596 MFLOPs |
| On-Chip RAM | 3 Mbits |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Package Type | 100-Lead LQFP_EP |
| Operating Temperature Range | 0°C to 105°C |
| Data Bus | 32-Bit |
| Pulse Width Modulation (PWM) Channels | 16 |
| Serial Ports (SPORTs) | 8 |
| Timers | 3 full-featured timers |
Key Features
- FIR, IIR, and FFT accelerators to enhance system performance.
- Digital Applications Interface (DAI) for user-definable access to peripherals, including S/PDIF Tx/Rx and 8-channel asynchronous sample rate converter.
- Enhanced DMA engine with scatter/gather DMA and delay line DMA.
- Two SPI-compatible ports supporting master and slave modes.
- UART and Two-Wire Interface.
- Real-Time Clock (RTC) and Watch Dog Timer.
- Variable Instruction Set Architecture (VISA) to reduce code size by 20% to 30% and increase memory availability.
Applications
The ADSP-21478KSWZ-1A is particularly suited for applications in automotive audio, industrial control systems, and other high-performance audio processing tasks. Its low power consumption and high performance make it ideal for battery-powered devices and environments requiring higher ambient operating temperatures.
Q & A
- What is the core clock speed of the ADSP-21478KSWZ-1A?
The core clock speed is 266 MHz.
- How much on-chip RAM does the ADSP-21478KSWZ-1A have?
The ADSP-21478KSWZ-1A has 3 Mbits of on-chip RAM.
- What type of external memory interface does the ADSP-21478KSWZ-1A support?
The ADSP-21478KSWZ-1A supports a 16-bit wide SDR SDRAM external memory interface.
- What is the operating temperature range of the ADSP-21478KSWZ-1A?
The operating temperature range is 0°C to 105°C.
- How many PWM channels does the ADSP-21478KSWZ-1A have?
The ADSP-21478KSWZ-1A has 16 PWM channels.
- What is the purpose of the Digital Applications Interface (DAI) in the ADSP-21478KSWZ-1A?
The DAI provides user-definable access to peripherals, including S/PDIF Tx/Rx and 8-channel asynchronous sample rate converter.
- Does the ADSP-21478KSWZ-1A support SPI interfaces?
Yes, it supports two SPI-compatible ports in master and slave modes.
- What is the benefit of the Variable Instruction Set Architecture (VISA) in the ADSP-21478KSWZ-1A?
VISA reduces code size by 20% to 30% and increases memory availability.
- Is the ADSP-21478KSWZ-1A code-compatible with previous SHARC processors?
Yes, it is code-compatible at the assembly level with previous SHARC processors.
- What are some typical applications for the ADSP-21478KSWZ-1A?
Typical applications include automotive audio, industrial control systems, and high-performance audio processing tasks.
