Overview
The ADSP-2186NBST-320 is a member of the ADSP-218xN series of single-chip microcomputers designed by Analog Devices Inc. for digital signal processing (DSP) and other high-speed numeric processing applications. This microcomputer is built on the ADSP-2100 family base architecture, which includes three computational units (ALU, multiplier/accumulator, and barrel shifter), data address generators, and a program sequencer. The ADSP-2186NBST-320 is optimized for low power consumption and high performance, making it suitable for a variety of applications requiring efficient signal processing.
Key Specifications
| Specification | Detail |
|---|---|
| Instruction Cycle Time | 12.5 ns @ 1.8 V, 80 MIPS sustained performance |
| On-Chip Memory | 40K bytes configured as 8K words (24-bit) of program RAM and 8K words (16-bit) of data RAM |
| Package Options | 100-lead LQFP and 144-Ball Mini-BGA |
| Operating Voltage | 1.8 V, 2.5 V, or 3.3 V |
| Internal DMA Port | 16-bit internal DMA port for high-speed access to on-chip memory |
| Byte DMA Port | 8-bit DMA to byte memory 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 and 13 programmable flag pins |
| Power-Down Mode | Low CMOS standby power dissipation with 200 CLKIN cycle recovery from power-down condition |
Key Features
- ADSP-2100 family code compatible with instruction set extensions
- Three independent computational units: ALU, multiplier/accumulator, and barrel shifter
- Dual-purpose program memory for both instruction and data storage
- Power-down mode featuring low CMOS standby power dissipation
- Low power dissipation in idle mode
- Programmable 16-bit interval timer with prescaler
- Programmable memory strobe and separate I/O memory space for “glueless” system design
- UART emulation through software SPORT reconfiguration
- ICE-Port™ emulator interface for debugging in final systems
Applications
- Digital signal processing applications
- Telephony
- Data acquisition
- Industrial automation
- Motor control
- Optical networking control
- Portable instrumentation
- Consumer devices, including home theater audio systems, automotive audio applications, and professional audio systems
Q & A
- What is the ADSP-2186NBST-320 used for?
The ADSP-2186NBST-320 is used for digital signal processing and other high-speed numeric processing applications.
- What is the instruction cycle time of the ADSP-2186NBST-320?
The instruction cycle time is 12.5 ns at 1.8 V, with a sustained performance of 80 MIPS.
- How much on-chip memory does the ADSP-2186NBST-320 have?
The ADSP-2186NBST-320 has 40K bytes of on-chip memory, configured as 8K words (24-bit) of program RAM and 8K words (16-bit) of data RAM.
- What are the package options for the ADSP-2186NBST-320?
The ADSP-2186NBST-320 is available in 100-lead LQFP and 144-Ball Mini-BGA packages.
- What are the operating voltage options for the ADSP-2186NBST-320?
The operating voltage options are 1.8 V, 2.5 V, or 3.3 V.
- Does the ADSP-2186NBST-320 support DMA operations?
Yes, it supports a 16-bit internal DMA port and an 8-bit byte DMA port for transparent program and data memory transfers.
- How many serial ports does the ADSP-2186NBST-320 have?
The ADSP-2186NBST-320 has two double-buffered serial ports with companding hardware and automatic data buffering.
- What power-saving features does the ADSP-2186NBST-320 have?
The ADSP-2186NBST-320 features a power-down mode with low CMOS standby power dissipation and low power dissipation in idle mode.
- Can the ADSP-2186NBST-320 be used in battery-operated devices?
Yes, the power-down circuitry and low power modes make it suitable for battery-operated portable equipment.
- Does the ADSP-2186NBST-320 support debugging tools?
Yes, it supports the ICE-Port™ emulator interface for debugging in final systems.
