Overview
The ADSP-2185MKST-300 is a single-chip microcomputer from Analog Devices Inc., optimized for digital signal processing (DSP) and other high-speed numeric processing applications. This device is part of the ADSP-2185M series, which builds upon the ADSP-2100 family base architecture. It is designed to provide high performance and efficiency in various computational tasks.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | 13.3 ns @ 2.5 V (Internal) |
| Sustained Performance | 75 MIPS |
| Instruction Execution | Single-Cycle Instruction Execution |
| Bus Architecture | 3-Bus Architecture allowing dual operand fetches in every instruction cycle |
| On-Chip RAM | 80K Bytes, configured as 16K words program memory RAM and 16K words data memory RAM |
| Package Type | 100-Pin LQFP |
| Power Consumption | Low power dissipation in idle mode, with power-down circuitry for battery-operated devices |
| Serial Ports | Two double-buffered serial ports with companding hardware and automatic data buffering |
| Interrupt Capabilities | Extensive interrupt capabilities, including six external interrupts and 13 programmable flag pins |
Key Features
- ADSP-2100 family code compatible with instruction set extensions, using easy-to-use algebraic syntax
- Single-cycle context switch and zero overhead loop execution
- Three computational units: independent ALU, multiplier/accumulator, and barrel shifter
- Two independent data address generators (DAGs) for simultaneous dual operand fetches
- Powerful program sequencer with conditional instruction execution and subroutine calls/returns in a single cycle
- Programmable 16-bit interval timer with prescaler
- 16-bit internal DMA port for high-speed access to on-chip memory
- Byte memory interface for storage of data tables and program overlays
- UART emulation through software and ICE-Port™ emulator interface for debugging
Applications
The ADSP-2185MKST-300 is suitable for a variety of applications requiring high-speed numeric processing and digital signal processing, including:
- Digital signal processing in audio, image, and video systems
- High-speed numeric processing in scientific and engineering applications
- Embedded systems requiring low power consumption and high performance
- Portable equipment such as handheld devices and battery-operated systems
- Industrial control and automation systems
Q & A
- What is the instruction cycle time of the ADSP-2185MKST-300?
The instruction cycle time is 13.3 ns at 2.5 V (Internal).
- What is the sustained performance of the ADSP-2185MKST-300?
The sustained performance is 75 MIPS.
- What type of package does the ADSP-2185MKST-300 come in?
The ADSP-2185MKST-300 comes in a 100-Pin LQFP package.
- How much on-chip RAM does the ADSP-2185MKST-300 have?
The device has 80K bytes of on-chip RAM, configured as 16K words program memory RAM and 16K words data memory RAM.
- Does the ADSP-2185MKST-300 support low power modes?
- What are the key computational units of the ADSP-2185MKST-300?
The device includes an independent ALU, multiplier/accumulator, and barrel shifter.
- How many serial ports does the ADSP-2185MKST-300 have?
The device has two double-buffered serial ports with companding hardware and automatic data buffering.
- What is the purpose of the data address generators (DAGs) in the ADSP-2185MKST-300?
The DAGs provide addresses for simultaneous dual operand fetches from data memory and program memory.
- Does the ADSP-2185MKST-300 support UART emulation?
- What is the ICE-Port™ emulator interface used for in the ADSP-2185MKST-300?
The ICE-Port™ emulator interface is used for debugging in final systems.
