Overview
The ADSP-2186MKST-300 is a 16-bit digital signal processor (DSP) microcomputer produced by Analog Devices Inc. This processor is optimized for high-speed numeric processing and digital signal processing applications. It combines the base architecture of the ADSP-2100 family 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 ADSP-2186MKST-300 is known for its exceptional performance and reliability, particularly in extreme environmental conditions.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 13 ns (75 MIPS) |
| Supply Voltage | 2.5V with 3.3V I/O |
| On-Chip Memory | 40 KB RAM (8K words program RAM, 8K words data RAM) |
| Internal DMA Port | 16-bit internal DMA port for high-speed access to on-chip memory |
| Byte DMA Port | 8-bit DMA port to byte memory for transparent program and data memory transfers |
| Package Options | 100-lead LQFP and 144-ball mini-BGA |
| Power Consumption | 0.4 mA/MIPS |
| Interrupt Capabilities | Six external interrupts, programmable flag pins |
Key Features
- Three computational units: ALU, multiplier/accumulator, and barrel shifter
- Two independent data address generators (DAGs) for simultaneous dual operand fetches
- Power-down mode with low CMOS standby power dissipation and 100-cycle recovery
- Programmable 16-bit interval timer with prescaler
- 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
- ADSP-2100 family code compatible with instruction set extensions
- UART emulation through software and SPORT reconfiguration
Applications
The ADSP-2186MKST-300 is suitable for a variety of high-speed numeric processing and digital signal processing applications. These include:
- Digital signal processing in audio, image, and video systems
- Telecommunications and networking equipment
- Industrial control and automation systems
- Medical devices requiring high-speed data processing
- Battery-operated portable equipment due to its low power consumption features
Q & A
- What is the instruction cycle time of the ADSP-2186MKST-300?
The instruction cycle time is 13 ns, which corresponds to 75 MIPS.
- What are the supply voltage and I/O voltage specifications?
The supply voltage is 2.5V with 3.3V I/O.
- How much on-chip memory does the ADSP-2186MKST-300 have?
The processor has 40 KB of on-chip RAM, configured as 8K words of program RAM and 8K words of data RAM.
- What types of DMA ports are available on the ADSP-2186MKST-300?
The processor features a 16-bit internal DMA port and an 8-bit DMA port to byte memory.
- What are the package options for the ADSP-2186MKST-300?
The processor is available in 100-lead LQFP and 144-ball mini-BGA packages.
- How does the power-down mode work on the ADSP-2186MKST-300?
The power-down mode features low CMOS standby power dissipation with a 100-cycle recovery from the power-down condition. It can be initiated by the power-down pin or software.
- What are the interrupt capabilities of the ADSP-2186MKST-300?
The processor has six external interrupts and programmable flag pins for flexible system signaling.
- Is the ADSP-2186MKST-300 compatible with other ADSP-2100 family processors?
Yes, the ADSP-2186MKST-300 is ADSP-2100 family code compatible with instruction set extensions.
- What kind of serial ports does the ADSP-2186MKST-300 have?
The processor features two double-buffered serial ports with companding hardware and automatic data buffering.
- How does the ADSP-2186MKST-300 support 'glueless' system design?
The processor supports 'glueless' system design through programmable memory strobe and separate I/O memory space).
