Overview
The ADSP-21469BBCZ-3 is a high-performance digital signal processor (DSP) from Analog Devices Inc., part of the fourth generation of SHARC (Super Harvard Architecture) processors. This processor is optimized for high-performance audio processing and is particularly suited for professional and automotive audio market segments. It features a single-instruction, multiple-data (SIMD) computational architecture, supporting both 32-bit fixed-point and 32-/40-bit floating-point arithmetic formats. The ADSP-21469 offers a core clock speed of up to 450 MHz and delivers 2700 MFLOPs, making it one of the most powerful members of the SHARC family.
Key Specifications
| Specification | Details |
|---|---|
| Core Clock Speed | Up to 450 MHz |
| On-chip RAM | 5 Mbits |
| On-chip ROM | 4 Mbits |
| External Memory Interface | 16-bit wide DDR2 SDRAM |
| Package Type | 324-ball CSP_BGA |
| Temperature Range | Commercial and Industrial temperature ranges |
| Serial Ports (SPORTs) | 8 serial ports supporting I2S, left-justified sample pair, and TDM modes |
| SPI Ports | 2 SPI-compatible ports supporting master and slave modes |
| Link Ports | 2 Link Ports |
| UART and Two-Wire Interface | Yes |
| PWM Channels | 16 Pulse Width Modulation (PWM) channels |
| Timers | 3 full-featured timers |
Key Features
- SIMD Core Architecture: Supports single-instruction, multiple-data (SIMD) computational architecture for high-performance processing.
- Filter Accelerators: Includes FIR, IIR, and FFT accelerators to enhance system performance.
- Digital Applications Interface (DAI): Enables user-definable access to peripherals such as S/PDIF Tx/Rx and an 8-channel asynchronous sample rate converter.
- Variable Instruction Set Architecture (VISA): Allows for a decrease in code size by 20% to 30% and increases memory size availability.
- Enhanced DMA Engine: Features scatter/gather DMA, delay line DMA, and direct transfer of data from serial ports to external memory.
- Signal Routing Unit (SRU): Enables flexible routing amongst DAI blocks.
Applications
The ADSP-21469BBCZ-3 is designed for high-performance audio processing and is particularly well-suited for:
- Professional Audio Systems: High-end audio equipment, audio workstations, and professional audio processing applications.
- Automotive Audio Systems: Advanced automotive infotainment systems, surround sound systems, and other automotive audio applications.
- Consumer Electronics: High-performance consumer audio devices such as home theaters, soundbars, and audio receivers.
Q & A
- What is the core clock speed of the ADSP-21469BBCZ-3?
The core clock speed of the ADSP-21469BBCZ-3 is up to 450 MHz.
- How much on-chip RAM does the ADSP-21469BBCZ-3 have?
The ADSP-21469BBCZ-3 has 5 Mbits of on-chip RAM.
- What type of external memory interface does the ADSP-21469BBCZ-3 support?
The ADSP-21469BBCZ-3 supports a 16-bit wide DDR2 SDRAM interface.
- How many serial ports (SPORTs) does the ADSP-21469BBCZ-3 have?
The ADSP-21469BBCZ-3 has 8 serial ports supporting I2S, left-justified sample pair, and TDM modes.
- Does the ADSP-21469BBCZ-3 support SPI ports?
Yes, the ADSP-21469BBCZ-3 supports 2 SPI-compatible ports in master and slave modes.
- What is the Digital Applications Interface (DAI) in the ADSP-21469BBCZ-3?
The DAI enables user-definable access to peripherals such as S/PDIF Tx/Rx and an 8-channel asynchronous sample rate converter.
- What is the Variable Instruction Set Architecture (VISA) feature in the ADSP-21469BBCZ-3?
The VISA feature allows for a decrease in code size by 20% to 30% and increases memory size availability.
- How many PWM channels does the ADSP-21469BBCZ-3 have?
The ADSP-21469BBCZ-3 has 16 Pulse Width Modulation (PWM) channels.
- What are the primary applications of the ADSP-21469BBCZ-3?
The primary applications include professional audio systems, automotive audio systems, and high-performance consumer electronics.
- Is the ADSP-21469BBCZ-3 qualified for automotive applications?
Yes, the ADSP-21469BBCZ-3 is qualified for automotive applications.
