Overview
The ADSP-21261SKBCZ150 is a high-performance digital signal processor (DSP) from Analog Devices Inc., part of the SHARC (Super Harvard Architecture) family. This processor is designed for demanding signal processing applications, featuring a robust architecture that includes dual processing elements, each with an Arithmetic Logic Unit (ALU), multiplier, shifter, and data register file. The ADSP-21261 operates at a core instruction rate of 150 MHz, making it suitable for a wide range of applications requiring intensive signal processing.
Key Specifications
| Specification | Details |
|---|---|
| Core Instruction Rate | 150 MHz |
| On-chip Memory | Up to 2M bits of dual-ported SRAM, 4M bits of dual-ported mask-programmable ROM |
| Processing Elements | Dual processing elements, each with ALU, multiplier, shifter, and data register file |
| Serial Ports | Six full-duplex synchronous serial ports (four on the ADSP-21261), supporting up to 24 transmit or 24 receive channels of audio data |
| Parallel Port | 8- or 16-bit parallel port, supporting interfaces to SRAM and peripheral devices, with a maximum data transfer rate of one-third the core clock speed |
| Timers | Three general-purpose timers with pulse waveform generation, pulse width count/capture, and external event counter capabilities |
| DMA Controller | Supports 22 DMA channels |
| Power Supply | 3.30V voltage range |
| Package | BGA-136 |
Key Features
- Dual processing elements with ALU, multiplier, shifter, and data register file for high-performance signal processing.
- On-chip dual-ported SRAM and mask-programmable ROM for efficient memory management.
- Six full-duplex synchronous serial ports supporting multiple audio channels and TDM streams.
- 8- or 16-bit parallel port for interfacing with SRAM and peripheral devices.
- Three programmable interval timers with various operation modes.
- 22-channel DMA controller for efficient data transfer.
- JTAG test access port for debugging and testing.
- Digital audio interface and SPI-compatible interface for versatile connectivity.
Applications
- AUDIO PROCESSING: Ideal for audio codecs, ADCs, and DACs, supporting high-channel count audio applications.
- COMMUNICATION SYSTEMS: Suitable for wireless and wired communication systems requiring intensive signal processing.
- MEDICAL DEVICES: Used in medical imaging and diagnostic equipment due to its high-performance signal processing capabilities.
- INDUSTRIAL CONTROL: Applied in industrial automation and control systems for real-time signal processing and control.
- AEROSPACE AND DEFENSE: Utilized in various military and aerospace applications requiring robust and reliable signal processing.
Q & A
- What is the core instruction rate of the ADSP-21261SKBCZ150?
The core instruction rate of the ADSP-21261SKBCZ150 is 150 MHz.
- How much on-chip memory does the ADSP-21261SKBCZ150 have?
The ADSP-21261SKBCZ150 has up to 2M bits of dual-ported SRAM and 4M bits of dual-ported mask-programmable ROM.
- What is the maximum data transfer rate of the parallel port?
The maximum data transfer rate of the parallel port is one-third the core clock speed, which is 50M bytes/sec for a 150 MHz core.
- How many serial ports does the ADSP-21261SKBCZ150 have?
The ADSP-21261SKBCZ150 has six full-duplex synchronous serial ports.
- What are the main features of the timers on the ADSP-21261SKBCZ150?
The timers include three general-purpose timers with pulse waveform generation, pulse width count/capture, and external event counter capabilities.
- What is the power supply voltage range for the ADSP-21261SKBCZ150?
The power supply voltage range is 3.30V.
- What package type is the ADSP-21261SKBCZ150 available in?
The ADSP-21261SKBCZ150 is available in a BGA-136 package.
- How many DMA channels does the ADSP-21261SKBCZ150 support?
The ADSP-21261SKBCZ150 supports 22 DMA channels.
- What is the purpose of the signal routing unit (SRU) in the ADSP-21261SKBCZ150?
The SRU is responsible for software control of the input data port, programmable timers, and other peripherals.
- Can the ADSP-21261SKBCZ150 be used for medical imaging applications?
Yes, the ADSP-21261SKBCZ150 is suitable for medical imaging and diagnostic equipment due to its high-performance signal processing capabilities.
