Overview
The ADSP-21478KBCZ-1A is a high-performance digital signal processor (DSP) from Analog Devices Inc., part of the fourth generation SHARC Processor family. This DSP is designed to offer low power consumption and high performance, making it suitable for applications such as automotive audio and industrial control. The ADSP-21478 operates at a core clock speed of 266 MHz and delivers 1596 MFLOPs, making it an efficient choice for battery-powered devices and environments with higher ambient operating temperatures.
Key Specifications
| Specification | Details |
|---|---|
| Core Clock Speed | 266 MHz |
| Performance | 1596 MFLOPs |
| On-chip RAM | 3 Mbits (up to 5 Mbits in some configurations) |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Accelerators | FIR, IIR, and FFT accelerators |
| Package | 196-Ball CSP_BGA (12mm x 12mm x 1.41mm) |
| Temperature Range | 0°C to 105°C |
| Peripheral Interfaces | Digital Applications Interface (DAI), S/P DIF Tx/Rx, 8-channel asynchronous sample rate converter, 8 serial ports (SPORTs), SPI-compatible ports, UART, Two-Wire Interface |
| Other Features | Real-Time Clock (RTC), Watch Dog Timer, Shift Registers, 16 Pulse Width Modulation (PWM) channels, 3 full-featured timers |
Key Features
- High Performance: The ADSP-21478 features a single-instruction, multiple-data (SIMD) core, supporting both 32-bit fixed-point and 32-/40-bit floating-point arithmetic formats.
- Low Power Consumption: Suitable for battery-powered applications and environments with higher ambient operating temperatures.
- Hardware Accelerators: Includes FIR, IIR, and FFT accelerators to enhance system performance.
- Variable Instruction Set Architecture (VISA): Allows for a 20% to 30% reduction in code size and increased memory availability.
- Peripheral Interfaces: Digital Applications Interface (DAI), S/P DIF Tx/Rx, 8-channel asynchronous sample rate converter, 8 serial ports (SPORTs), SPI-compatible ports, UART, and Two-Wire Interface.
- Memory and DMA: Supports up to 5 Mbits of on-chip RAM, 4 Mbits of on-chip ROM, and features an enhanced DMA engine including scatter/gather DMA and delay line DMA.
- Timers and PWM: Includes 3 full-featured timers and 16 Pulse Width Modulation (PWM) channels.
Applications
- Automotive Audio: Well-suited for automotive audio systems due to its low power consumption and high performance.
- Industrial Control: Ideal for industrial control applications where low power is a critical requirement.
- High-Quality Audio Processing: Optimized for high-performance audio processing.
- Medical Imaging: Can be used in medical imaging applications.
- Communications and Military Equipment: Suitable for various communications and military equipment applications.
- Test Equipment and 3D Graphics: Can be applied in test equipment and 3D graphics processing.
- Speech Recognition and Motor Control: Useful in speech recognition and motor control applications.
Q & A
- What is the core clock speed of the ADSP-21478KBCZ-1A?
The core clock speed is 266 MHz.
- How much on-chip RAM does the ADSP-21478KBCZ-1A have?
It has up to 3 Mbits of on-chip RAM, with some configurations offering up to 5 Mbits.
- What type of external memory interface does the ADSP-21478KBCZ-1A support?
It supports a 16-bit wide SDR SDRAM external memory interface.
- What are the key accelerators included in the ADSP-21478KBCZ-1A?
The key accelerators include FIR, IIR, and FFT accelerators.
- What is the package type of the ADSP-21478KBCZ-1A?
The package type is a 196-Ball CSP_BGA (12mm x 12mm x 1.41mm).
- What is the temperature range of the ADSP-21478KBCZ-1A?
The temperature range is 0°C to 105°C.
- What peripheral interfaces are available on the ADSP-21478KBCZ-1A?
The available interfaces include Digital Applications Interface (DAI), S/P DIF Tx/Rx, 8-channel asynchronous sample rate converter, 8 serial ports (SPORTs), SPI-compatible ports, UART, and Two-Wire Interface.
- Does the ADSP-21478KBCZ-1A support real-time clock and watchdog timer features?
Yes, it supports a Real-Time Clock (RTC) and a Watch Dog Timer.
- How many PWM channels does the ADSP-21478KBCZ-1A have?
It has 16 Pulse Width Modulation (PWM) channels.
- What are some typical applications of the ADSP-21478KBCZ-1A?
Typical applications include automotive audio, industrial control, high-quality audio processing, medical imaging, communications, military equipment, test equipment, 3D graphics, speech recognition, and motor control.
