Overview
The ADSP-21488KSWZ-4B is a high-performance digital signal processor (DSP) from Analog Devices Inc., part of the SIMD SHARC family. This processor is optimized for high-performance audio applications and features Analog Devices’ Super Harvard Architecture. It is source code compatible with other SHARC processors, including the ADSP-2126x, ADSP-2136x, ADSP-2137x, ADSP-2146x, ADSP-2147x, and ADSP-2116x, as well as the first generation ADSP-2106x SHARC processors in SISD mode.
The ADSP-21488KSWZ-4B is designed to handle demanding audio processing tasks with its single-instruction, multiple-data (SIMD) computational architecture and large on-chip SRAM. It also includes an innovative digital applications interface (DAI) and multiple internal buses to eliminate I/O bottlenecks.
Key Specifications
| Specification | Value |
|---|---|
| Processor Type | 32-bit/40-bit Floating Point |
| Operating Frequency | Up to 400 MHz |
| Internal RAM | 3 Mbits |
| Internal ROM | 4 Mbits |
| Package Type | 176-Lead LQFP-EP |
| Operating Temperature | 0°C to +110°C |
| Voltage - Core | 1.10V to 1.30V |
| Interfaces | I2C, SPI, UART, DAI (SRU)/DPI (SRU2), S/PDIF Transceiver |
| Direct DMA | Yes, from SPORTs to external port (external memory) |
| Thermal Diode | Yes |
| VISA Support | Yes |
Key Features
- High-performance floating-point processor optimized for high-performance audio processing.
- Single-instruction, multiple-data (SIMD) computational architecture.
- Large on-chip SRAM (3 Mbits) and mask-programmable ROM (4 Mbits).
- Innovative digital applications interface (DAI) and multiple internal buses to eliminate I/O bottlenecks.
- Support for various interfaces: I2C, SPI, UART, DAI (SRU)/DPI (SRU2), S/PDIF Transceiver.
- Direct DMA from SPORTs to external port (external memory).
- Thermal diode and VISA support.
- IDP/PDAP, UART, SPI, and TWI interfaces.
- FIR, IIR, FFT accelerator.
- Watchdog timer (in 176-Lead package only).
Applications
The ADSP-21488KSWZ-4B is primarily used in high-performance audio processing applications, including professional audio equipment, automotive audio systems, and other demanding audio processing environments. Its features also make it suitable for use in various industrial and consumer electronics where high-speed signal processing is required.
Q & A
- What is the maximum operating frequency of the ADSP-21488KSWZ-4B?
The maximum operating frequency is up to 400 MHz.
- How much internal RAM does the ADSP-21488KSWZ-4B have?
The ADSP-21488KSWZ-4B has 3 Mbits of internal RAM.
- What type of package does the ADSP-21488KSWZ-4B come in?
The ADSP-21488KSWZ-4B comes in a 176-Lead LQFP-EP package.
- What is the operating temperature range of the ADSP-21488KSWZ-4B?
The operating temperature range is from 0°C to +110°C.
- Does the ADSP-21488KSWZ-4B support direct DMA from SPORTs to external memory?
Yes, it supports direct DMA from SPORTs to external port (external memory).
- What interfaces are supported by the ADSP-21488KSWZ-4B?
The ADSP-21488KSWZ-4B supports I2C, SPI, UART, DAI (SRU)/DPI (SRU2), and S/PDIF Transceiver interfaces.
- Is the ADSP-21488KSWZ-4B compatible with other SHARC processors?
Yes, it is source code compatible with other SHARC processors, including the ADSP-2126x, ADSP-2136x, ADSP-2137x, ADSP-2146x, ADSP-2147x, and ADSP-2116x.
- Does the ADSP-21488KSWZ-4B have a thermal diode and VISA support?
Yes, it includes a thermal diode and VISA support.
- What are some common applications of the ADSP-21488KSWZ-4B?
It is commonly used in high-performance audio processing applications, including professional audio equipment and automotive audio systems.
- Does the ADSP-21488KSWZ-4B have an FIR, IIR, FFT accelerator?
Yes, it includes an FIR, IIR, FFT accelerator.
- Is the ADSP-21488KSWZ-4B AEC-Q100 qualified?
Yes, the ADSP-21488KSWZ-4B is AEC-Q100 qualified, making it suitable for automotive applications.
