Overview
The ADSP-2189NBST-320 is a 16-bit fixed-point Digital Signal Processor (DSP) microcomputer from Analog Devices Inc. This component is part of the ADSP-218xN series, which is optimized for digital signal processing applications. The ADSP-2189NBST-320 combines the base architecture of the ADSP-2100 family with advanced features such as multiple computational units, data address generators, and a program sequencer. Although this model is now obsolete, it remains relevant for legacy systems and specific applications requiring its unique capabilities.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Type | Fixed Point |
| Series | ADSP-21xx |
| Package | 100-LQFP (14x14) |
| Interface | Host Interface, Serial Port |
| Clock Rate | 80MHz |
| On-Chip RAM | 192kB |
| Mounting Type | Surface Mount |
| Voltage - I/O | 1.8V, 2.5V, 3.3V |
| Voltage - Core | 1.90V |
| Non-Volatile Memory | External |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Product Status | Obsolete |
Key Features
- Three computational units: ALU, multiplier/accumulator, and barrel shifter.
- Dual-purpose program memory for both instruction and data storage.
- Power-down mode with low CMOS standby power dissipation and 200 CLKIN cycle recovery.
- Flexible I/O allowing 1.8 V, 2.5 V, or 3.3 V operation.
- 16-bit internal DMA port and 8-bit DMA to byte memory for transparent program and data memory transfers.
- Two double-buffered serial ports with companding hardware and automatic data buffering.
- Programmable memory strobe and separate I/O memory space for “glueless” system design.
- Six external interrupts and seven internal interrupts generated by the timer, serial ports, BDMA port, and power-down circuitry.
- Programmable interval timer with prescaler and up to 13 general-purpose flag pins.
Applications
The ADSP-2189NBST-320 is suited for various digital signal processing applications, including but not limited to:
- Audio processing and filtering
- Image processing and compression
- Industrial control systems
- Telecommunications and networking equipment
- Medical devices requiring real-time signal processing
Q & A
- What is the ADSP-2189NBST-320?
The ADSP-2189NBST-320 is a 16-bit fixed-point Digital Signal Processor (DSP) microcomputer from Analog Devices Inc.
- What is the clock rate of the ADSP-2189NBST-320?
The clock rate of the ADSP-2189NBST-320 is 80MHz.
- How much on-chip RAM does the ADSP-2189NBST-320 have?
The ADSP-2189NBST-320 has 192kB of on-chip RAM.
- What are the voltage levels supported by the ADSP-2189NBST-320?
The ADSP-2189NBST-320 supports I/O voltages of 1.8V, 2.5V, and 3.3V, with a core voltage of 1.90V.
- Is the ADSP-2189NBST-320 still in production?
No, the ADSP-2189NBST-320 is now obsolete.
- What kind of interfaces does the ADSP-2189NBST-320 have?
The ADSP-2189NBST-320 has host interface and serial port interfaces.
- What is the operating temperature range of the ADSP-2189NBST-320?
The operating temperature range is -40°C to 85°C (TA).
- Does the ADSP-2189NBST-320 support power-down modes?
Yes, it supports power-down mode with low CMOS standby power dissipation.
- How many external interrupts does the ADSP-2189NBST-320 support?
The ADSP-2189NBST-320 supports up to six external interrupts.
- What kind of memory does the ADSP-2189NBST-320 use for program and data storage?
The ADSP-2189NBST-320 uses dual-purpose program memory for both instruction and data storage.
