Overview
The ADSP-2186KST-133, produced by Analog Devices Inc., is a single-chip microcomputer optimized for digital signal processing (DSP) and other high-speed numeric processing applications. It combines the ADSP-2100 family base architecture with additional features such as two serial ports, a 16-bit internal DMA port, a byte DMA port, a programmable timer, and extensive interrupt capabilities. The processor is designed to operate with a 25 ns instruction cycle time, achieving 40 MIPS sustained performance and single-cycle instruction execution. It is particularly suited for applications requiring high computational power and low power consumption, making it ideal for battery-operated portable equipment.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 25 ns |
| Sustained Performance | 40 MIPS |
| On-Chip Memory | 40K bytes (8K words of 24-bit program RAM and 8K words of 16-bit data RAM) |
| Internal DMA Port | 16-bit internal DMA port |
| Byte DMA Port | 8-bit DMA to byte memory |
| Serial Ports | Two serial ports |
| Package | 100-lead LQFP or 144-Ball Mini-BGA |
| Power Consumption | Low power dissipation in idle mode; power-down circuitry for low power needs |
Key Features
- Three independent computational units: ALU, multiplier/accumulator (MAC), and shifter
- Single-cycle instruction execution and context switch
- 3-bus architecture allowing dual operand fetches in every instruction cycle
- Multifunction instructions and extensive interrupt capabilities
- Programmable timer and flag I/O
- ICE-Port™ emulator interface for debugging in final systems
- UART emulation through software and SPORT reconfiguration
- Power-down mode with low CMOS standby power dissipation and 100 cycle recovery from power-down condition
Applications
The ADSP-2186KST-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
- Battery-operated portable equipment due to its low power consumption features
- Embedded systems requiring high computational power and low power dissipation
Q & A
- What is the instruction cycle time of the ADSP-2186KST-133?
The instruction cycle time is 25 ns.
- What is the sustained performance of the ADSP-2186KST-133?
The sustained performance is 40 MIPS.
- How much on-chip memory does the ADSP-2186KST-133 have?
The ADSP-2186KST-133 has 40K bytes of on-chip memory, configured as 8K words of 24-bit program RAM and 8K words of 16-bit data RAM.
- What types of DMA ports are available on the ADSP-2186KST-133?
The ADSP-2186KST-133 has a 16-bit internal DMA port and an 8-bit byte DMA port.
- How many serial ports does the ADSP-2186KST-133 have?
The ADSP-2186KST-133 has two serial ports.
- In what packages is the ADSP-2186KST-133 available?
The ADSP-2186KST-133 is available in 100-lead LQFP and 144-Ball Mini-BGA packages.
- What are the power consumption features of the ADSP-2186KST-133?
The ADSP-2186KST-133 features low power dissipation in idle mode and power-down circuitry for low power needs, with 100 cycle recovery from power-down condition.
- What computational units are included in the ADSP-2186KST-133?
The ADSP-2186KST-133 includes three independent computational units: ALU, multiplier/accumulator (MAC), and shifter.
- Does the ADSP-2186KST-133 support UART emulation?
Yes, the ADSP-2186KST-133 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.
