Overview
The ADSP-2185KST-133 is a single-chip microcomputer designed by Analog Devices Inc., optimized for digital signal processing (DSP) and other high-speed numeric processing applications. This device is part of the ADSP-2100 family and integrates advanced features to enhance performance and flexibility. It combines three computational units, data address generators, and a program sequencer with additional functionalities such as serial ports, DMA ports, and extensive interrupt capabilities.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 30 ns |
| Sustained Performance | 33 MIPS |
| Supply Voltage Range | 4.5V to 5.5V |
| On-Chip Memory | 80K bytes (16K words of 24-bit program RAM and 16K words of 16-bit data RAM) |
| Internal DMA Port | 16-bit internal DMA port for high-speed access to on-chip memory |
| Byte Memory Interface | 4 MByte byte memory interface for storage of data tables and program overlays |
| Serial Ports | Two double-buffered serial ports with companding hardware and automatic data buffering |
| Package Type | 100-Lead LQFP (14mm x 14mm) |
| Power-Down Circuitry | Low power dissipation in idle mode |
Key Features
- ADSP-2100 family code compatible with instruction set extensions
- Dual-purpose program memory for both instruction and data storage
- Single-cycle instruction execution
- 8-bit DMA to byte memory for transparent program and data memory transfers
- I/O memory interface with 2048 locations supporting parallel peripherals
- Programmable 16-bit interval timer with prescaler
- Six external interrupts and 13 programmable flag pins
- UART emulation through software and SPORT reconfiguration
- ICE-Port™ emulator interface for debugging in final systems
Applications
The ADSP-2185KST-133 is suitable for a variety of applications that require high-speed numeric processing and digital signal processing. These include:
- Digital signal processing in audio, image, and video applications
- High-speed numeric processing in scientific and engineering computations
- Embedded systems requiring low power consumption and high performance
- Telecommunications and networking equipment
- Industrial control and automation systems
Q & A
- What is the primary function of the ADSP-2185KST-133?
The ADSP-2185KST-133 is a single-chip microcomputer optimized for digital signal processing (DSP) and other high-speed numeric processing applications.
- What is the instruction cycle time of the ADSP-2185KST-133?
The instruction cycle time is 30 ns.
- How much on-chip memory does the ADSP-2185KST-133 have?
The ADSP-2185KST-133 has 80K bytes of on-chip memory, configured as 16K words of 24-bit program RAM and 16K words of 16-bit data RAM.
- What type of DMA ports does the ADSP-2185KST-133 support?
The ADSP-2185KST-133 supports a 16-bit internal DMA port and an 8-bit byte DMA port.
- How many serial ports does the ADSP-2185KST-133 have?
The ADSP-2185KST-133 has two double-buffered serial ports with companding hardware and automatic data buffering.
- What is the package type of the ADSP-2185KST-133?
The package type is a 100-Lead LQFP (14mm x 14mm).
- Does the ADSP-2185KST-133 support power-down circuitry?
Yes, it has power-down circuitry for low power dissipation in idle mode.
- What are some common applications of the ADSP-2185KST-133?
Common applications include digital signal processing in audio, image, and video, high-speed numeric processing, embedded systems, telecommunications, and industrial control systems.
- Is the ADSP-2185KST-133 compatible with the ADSP-2100 family code?
Yes, it is ADSP-2100 family code compatible with instruction set extensions.
- Does the ADSP-2185KST-133 support UART emulation?
Yes, it supports UART emulation through software.
- What is the ICE-Port™ emulator interface used for?
The ICE-Port™ emulator interface is used for debugging in final systems.
