Overview
The ADSP-21469KBCZ-3, produced by Analog Devices Inc., is a high-performance digital signal processor (DSP) from the fourth generation of SHARC Processors. This processor is optimized for high-performance audio processing and features a single-instruction, multiple-data (SIMD) core that supports both 32-bit fixed-point and 32-/40-bit floating-point arithmetic formats. With a core clock speed of 450 MHz and a performance of 2700 MFLOPs, the ADSP-21469 is particularly suited for professional and automotive audio market segments. It includes hardware-based filter accelerators such as FIR, IIR, and FFT, and integrates application-specific peripherals to simplify hardware design and reduce time to market.
Key Specifications
| Specification | Details |
|---|---|
| Core Clock Speed | 450 MHz |
| On-Chip RAM | 5 Mbits |
| External Memory Interface | 16-bit wide DDR2 SDRAM |
| Package | 324-Ball CSP_BGA (19mm x 19mm) |
| Operating Temperature | -40°C to 85°C (TA) |
| Voltage - Core | 1.10V |
| Voltage - I/O | 3.30V |
| Serial Ports | 8 SPORTs 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 |
| PWM Channels | 16 Pulse Width Modulation (PWM) channels |
| Timers | 3 full-featured timers |
Key Features
- High-Performance Core: 450 MHz core clock speed with 2700 MFLOPs performance.
- Hardware-Based Accelerators: FIR, IIR, and FFT accelerators to enhance system performance.
- Variable Instruction Set Architecture (VISA): Reduces code size by 20% to 30% and increases memory size availability.
- Digital Applications Interface (DAI): Enables user-definable access to peripherals via the Signal Routing Unit (SRU).
- Enhanced DMA Engine: Includes scatter/gather DMA, delay line DMA, and dedicated DMA channels for serial ports.
- Peripheral Support: UART, Two-Wire Interface, S/PDIF Tx/Rx, and an 8-channel asynchronous sample rate converter.
Applications
- Professional Audio: Suitable for high-performance audio applications, including surround-sound decoder algorithms.
- Automotive Audio: Qualified for automotive applications, addressing the increasing requirements of the automotive audio market.
- Consumer Electronics: Used in various consumer electronics requiring advanced audio processing, such as home theaters and audio equipment.
- Industrial and Military: Applied in radar signal processing, communication base station signal processing, and other high-speed real-time processing environments.
Q & A
- What is the core clock speed of the ADSP-21469KBCZ-3?
The core clock speed is 450 MHz.
- How much on-chip RAM does the ADSP-21469KBCZ-3 have?
The ADSP-21469KBCZ-3 has 5 Mbits of on-chip RAM.
- What type of external memory interface does the ADSP-21469KBCZ-3 support?
The ADSP-21469KBCZ-3 supports a 16-bit wide DDR2 SDRAM interface.
- What is the operating temperature range of the ADSP-21469KBCZ-3?
The operating temperature range is -40°C to 85°C (TA).
- How many serial ports does the ADSP-21469KBCZ-3 have?
The ADSP-21469KBCZ-3 has 8 serial ports (SPORTs) supporting various modes.
- What are the key hardware-based accelerators in the ADSP-21469KBCZ-3?
The key accelerators include FIR, IIR, and FFT accelerators.
- What is the Digital Applications Interface (DAI) in the ADSP-21469KBCZ-3?
The DAI enables user-definable access to peripherals via the Signal Routing Unit (SRU).
- Does the ADSP-21469KBCZ-3 support automotive applications?
Yes, it is qualified for automotive applications.
- What is the package type of the ADSP-21469KBCZ-3?
The package type is 324-Ball CSP_BGA (19mm x 19mm).
- What is the Variable Instruction Set Architecture (VISA) feature in the ADSP-21469KBCZ-3?
VISA reduces code size by 20% to 30% and increases memory size availability.
