Overview
The ADSP-2186NKST-320, produced by Analog Devices Inc., is a single-chip microcomputer optimized for digital signal processing (DSP) and other high-speed numeric processing applications. This device is part of the ADSP-218xN series, which combines the ADSP-2100 family base architecture with advanced 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-2186 integrates 40K bytes of on-chip memory, configured as 8K words of program RAM and 8K words of data RAM, making it highly versatile for various applications.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 25 ns |
| Sustained Performance | 40 MIPS |
| On-Chip Memory | 40K bytes (8K words program RAM, 8K words data RAM) |
| Package Type | 100-lead LQFP, 144-Ball Mini-BGA |
| Power-Down Mode | Low CMOS standby power dissipation with 200 CLKIN cycle recovery |
| Internal DMA Port | 16-bit for high-speed access to on-chip memory |
| Byte DMA Port | 8-bit for transparent program and data memory transfers |
| Serial Ports | Two double-buffered serial ports with companding hardware and automatic data buffering |
| Interrupts | Six external interrupts, 13 programmable flag pins |
| Timer | Programmable 16-bit interval timer with prescaler |
Key Features
- ADSP-2100 family code compatible with instruction set extensions
- Three independent computational units: ALU, multiplier/accumulator (MAC), and shifter
- Dual-purpose program memory for both instruction and data storage
- Power-down mode and idle mode for low power dissipation
- Flexible I/O allowing 1.8 V, 2.5 V, or 3.3 V operation
- Programmable memory strobe and separate I/O memory space for “glueless” system design
- UART emulation through software SPORT reconfiguration and ICE-Port™ emulator interface for debugging
Applications
The ADSP-2186NKST-320 is optimized for digital signal processing applications, including but not limited to:
- Audio processing and filtering
- Image processing and analysis
- Telecommunications and wireless communication systems
- Industrial control and automation
- Medical devices and diagnostic equipment
Q & A
- What is the instruction cycle time of the ADSP-2186NKST-320?
The instruction cycle time is 25 ns. - How much on-chip memory does the ADSP-2186NKST-320 have?
The device has 40K bytes of on-chip memory, configured as 8K words of program RAM and 8K words of data RAM. - What types of packages are available for the ADSP-2186NKST-320?
The device is available in 100-lead LQFP and 144-Ball Mini-BGA packages. - Does the ADSP-2186NKST-320 support power-down mode?
Yes, it features a power-down mode with low CMOS standby power dissipation and 200 CLKIN cycle recovery. - How many serial ports does the ADSP-2186NKST-320 have?
The device has two double-buffered serial ports with companding hardware and automatic data buffering. - What is the purpose of the ICE-Port™ emulator interface?
The ICE-Port™ emulator interface supports debugging in final systems. - Can the ADSP-2186NKST-320 emulate a UART?
Yes, it can emulate a UART through software SPORT reconfiguration. - How many external interrupts does the ADSP-2186NKST-320 support?
The device supports six external interrupts and 13 programmable flag pins. - What is the function of the programmable 16-bit interval timer?
The programmable 16-bit interval timer has a prescaler and is used for various timing and control functions. - Is the ADSP-2186NKST-320 compatible with the ADSP-2100 family code?
Yes, it is ADSP-2100 family code compatible with instruction set extensions.
