Overview
The ADSP-21065LCSZ-240, produced by Analog Devices Inc., is a member of the SHARC family of 32-bit digital signal processors (DSPs). This processor is optimized for cost-sensitive applications while maintaining high performance and memory integration. It features a floating-point DSP core and supports both fixed-point and floating-point arithmetic, making it versatile for a wide range of applications. The ADSP-21065L is fabricated in a high-speed, low-power CMOS process and includes an on-chip instruction cache, enabling single-cycle instruction execution. It is code compatible with ADI's SHARC DSP family, providing access to a broad range of software and hardware development tools.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Rate | 66 MHz |
| Performance | 198 MFLOPS (32-bit floating-point) |
| On-Chip Memory | 16K 32-bit Dual-ported on-chip memory (544 KBits configurable) |
| External Memory | 64M x 32-bit word external address space |
| SDRAM Interface | Glueless SDRAM interface |
| Serial Ports | Two serial transmit/receive ports supporting 32-channel TDM |
| Timers | Two timers with event capture and PWM options |
| I/O Pins | 12 programmable I/O pins |
| DMA Channels | 10 DMA channels |
| Package | 208-lead MQFP |
| Operating Temperature | -55°C to +110°C (extended temperature range) |
Key Features
- High Performance Core: The ADSP-21065L features a 32-bit floating-point DSP core with a performance of 198 MFLOPS, allowing for efficient execution of both fixed-point and floating-point arithmetic.
- Integrated Peripherals: Includes a host processor interface, DMA controller, SDRAM controller, and two serial transmit/receive ports supporting 32-channel TDM.
- On-Chip Memory: 16K 32-bit dual-ported on-chip memory with 544 KBits configurable, ensuring high-speed data access and processing.
- Glueless Multiprocessing: Supports glueless multiprocessing with up to two ADSP-21065L processors, enhancing system scalability and performance.
- Programmable I/O and Timers: Features 12 programmable I/O pins and two timers with event capture and PWM options, providing flexibility in system design.
- Extended Temperature Range: Operates over an extended temperature range of -55°C to +110°C, making it suitable for defense and aerospace applications.
Applications
The ADSP-21065L is versatile and can be used in a broad range of applications, including:
- Consumer Electronics: Suitable for digital audio and video processing, and other consumer electronics requiring high-performance DSP capabilities.
- Communications: Used in various communication systems for signal processing and data transmission.
- Automotive: Applicable in automotive systems for signal processing and control functions.
- Industrial and Computer Applications: Can be used in industrial control systems, medical devices, and other computer-based applications requiring advanced signal processing.
- Defense and Aerospace: Meets AQEC standards and operates over an extended temperature range, making it suitable for defense and aerospace applications.
Q & A
- What is the instruction rate of the ADSP-21065L?
The ADSP-21065L operates at an instruction rate of 66 MHz.
- What is the performance of the ADSP-21065L in terms of MFLOPS?
The ADSP-21065L achieves a performance of 198 MFLOPS (32-bit floating-point).
- How much on-chip memory does the ADSP-21065L have?
The ADSP-21065L has 16K 32-bit dual-ported on-chip memory with 544 KBits configurable.
- What type of SDRAM interface does the ADSP-21065L support?
The ADSP-21065L supports a glueless SDRAM interface.
- How many serial ports does the ADSP-21065L have, and what are their capabilities?
The ADSP-21065L has two serial transmit/receive ports that support 32-channel TDM and operate at up to 33 Mbit/s each.
- What is the operating temperature range of the ADSP-21065L?
The ADSP-21065L operates over an extended temperature range of -55°C to +110°C.
- Is the ADSP-21065L suitable for defense and aerospace applications?
Yes, the ADSP-21065L meets AQEC standards and is suitable for defense and aerospace applications.
- What is the package type of the ADSP-21065LCSZ-240?
The ADSP-21065LCSZ-240 is packaged in a 208-lead MQFP.
- How many DMA channels does the ADSP-21065L have?
The ADSP-21065L has 10 DMA channels.
- Is the ADSP-21065L code compatible with other SHARC DSPs?
Yes, the ADSP-21065L is code compatible with ADI's SHARC DSP family, allowing immediate access to software and hardware development tools.
- What are some of the key peripherals included in the ADSP-21065L?
The ADSP-21065L includes peripherals such as two timers, 12 programmable I/O pins, and two serial ports, among others.
