Overview
The ADSP-2189MBSTZ-266 is a fixed-point digital signal processor (DSP) from Analog Devices Inc., designed to provide high performance and flexibility in various signal processing applications. Fabricated in a high-speed, low-power CMOS process, this DSP integrates a robust set of features that make it suitable for a wide range of tasks, including audio processing, industrial control, and telecommunications. The processor is part of the ADSP-2100 family and leverages the ADSP-2100 base architecture, enhancing it with additional capabilities such as enhanced memory, serial ports, and interrupt handling.
Key Specifications
| Specification | Details |
|---|---|
| Clock Rate | 66 MHz |
| Package Type | LQFP-100 (14x14 mm) |
| On-Chip Memory | 32K words (24-bit) of program RAM, 48K words (16-bit) of data RAM |
| Computational Units | ALU, MAC (Multiplier/Accumulator), Shifter |
| Serial Ports | Two double-buffered serial ports (SPORT0 and SPORT1) |
| Interrupts | Six external interrupts, internal interrupts from timer, byte DMA port, serial ports, software, and power-down control |
| Timer | Programmable interval timer with 16-bit count register and 8-bit scaling register |
| Flags and I/O | 13 programmable flag pins, I/O memory interface with 2048 locations |
Key Features
- High-Performance Computational Units: The ADSP-2189MBSTZ-266 features an Arithmetic Logic Unit (ALU), a Multiplier/Accumulator (MAC), and a Shifter, enabling efficient arithmetic and logic operations, including division primitives and multiprecision computations.
- Advanced Memory Management: The processor includes 32K words of 24-bit program RAM and 48K words of 16-bit data RAM, along with a powerful program sequencer and two data address generators for efficient operand delivery.
- Serial Communication: Two double-buffered serial ports (SPORT0 and SPORT1) support serial communications and multiprocessor communication.
- Interrupt Handling: The DSP supports six external interrupts and various internal interrupts, with prioritized and maskable interrupt levels.
- Programmable Timer and Flags: A programmable interval timer and 13 programmable flag pins provide flexible system signaling and timing capabilities.
Applications
The ADSP-2189MBSTZ-266 is versatile and can be applied in various fields, including:
- Audio Processing: Suitable for audio codecs, echo cancellation, and other audio signal processing tasks.
- Industrial Control: Used in control systems for industrial automation and monitoring.
- Telecommunications: Employed in telecommunications equipment for signal processing and communication protocols.
- Medical Devices: Can be used in medical devices requiring real-time signal processing.
Q & A
- What is the clock rate of the ADSP-2189MBSTZ-266?
The clock rate of the ADSP-2189MBSTZ-266 is 66 MHz. - What type of package does the ADSP-2189MBSTZ-266 come in?
The ADSP-2189MBSTZ-266 comes in an LQFP-100 (14x14 mm) package. - How much on-chip memory does the ADSP-2189MBSTZ-266 have?
The ADSP-2189MBSTZ-266 has 32K words (24-bit) of program RAM and 48K words (16-bit) of data RAM. - What are the computational units available in the ADSP-2189MBSTZ-266?
The computational units include an ALU, a MAC (Multiplier/Accumulator), and a Shifter. - How many serial ports does the ADSP-2189MBSTZ-266 have?
The ADSP-2189MBSTZ-266 has two double-buffered serial ports (SPORT0 and SPORT1). - What types of interrupts are supported by the ADSP-2189MBSTZ-266?
The ADSP-2189MBSTZ-266 supports six external interrupts and various internal interrupts, including those from the timer, byte DMA port, serial ports, software, and power-down control. - Does the ADSP-2189MBSTZ-266 have a programmable timer?
Yes, the ADSP-2189MBSTZ-266 has a programmable interval timer with a 16-bit count register and an 8-bit scaling register. - How many programmable flag pins does the ADSP-2189MBSTZ-266 have?
The ADSP-2189MBSTZ-266 has 13 programmable flag pins. - What are some common applications of the ADSP-2189MBSTZ-266?
The ADSP-2189MBSTZ-266 is commonly used in audio processing, industrial control, telecommunications, and medical devices. - Is the ADSP-2189MBSTZ-266 suitable for real-time signal processing?
Yes, the ADSP-2189MBSTZ-266 is designed for real-time signal processing tasks.
