Overview
The ADSP-2185KSTZ-133 is a single-chip microcomputer designed by Analog Devices Inc., optimized for digital signal processing (DSP) and other high-speed numeric processing applications. It is part of the ADSP-2100 family and integrates advanced features such as multiple computational units, data address generators, and a program sequencer. This microcomputer is particularly suited for applications requiring high performance, low power consumption, and extensive on-chip memory.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 30 ns |
| Sustained Performance | 33 MIPS |
| On-Chip RAM | 80 KB (16K words program RAM, 16K words data RAM) |
| Internal DMA Port | 16-bit, mode selectable |
| Byte Memory Interface | 4 MByte, mode selectable |
| Serial Ports | Two double-buffered serial ports with companding hardware |
| Package Type | 100-Lead LQFP (14mm x 14mm) |
| Power Supply | 5 V |
| Interrupt Capabilities | Six external interrupts, 13 programmable flag pins |
Key Features
- ADSP-2100 family code compatible with instruction set extensions
- Dual purpose program memory for both instruction and data storage
- Single-cycle instruction execution
- 16-bit internal DMA port for high-speed access to on-chip memory
- 8-bit DMA to byte memory for transparent program and data memory transfers
- Programmable 16-bit interval timer with prescaler
- Extensive interrupt capabilities and programmable flag I/O
- Support for parallel peripherals and programmable memory strobe
- Low power dissipation in idle mode
Applications
The ADSP-2185KSTZ-133 is suitable for a variety of applications, including:
- Digital signal processing (DSP)
- High-speed numeric processing
- Audio and video processing
- Industrial control systems
- Medical devices requiring high-performance DSP capabilities
- Portable equipment due to its low power consumption
Q & A
- What is the primary function of the ADSP-2185KSTZ-133?
The ADSP-2185KSTZ-133 is a single-chip microcomputer optimized for digital signal processing (DSP) and other high-speed numeric processing applications. - How much on-chip RAM does the ADSP-2185KSTZ-133 have?
The ADSP-2185KSTZ-133 has 80 KB of on-chip RAM, configured as 16K words of program RAM and 16K words of data RAM. - What is the instruction cycle time of the ADSP-2185KSTZ-133?
The instruction cycle time is 30 ns. - How many serial ports does the ADSP-2185KSTZ-133 have?
The ADSP-2185KSTZ-133 has two double-buffered serial ports with companding hardware. - What is the package type of the ADSP-2185KSTZ-133?
The package type is a 100-Lead LQFP (14mm x 14mm). - What is the power supply voltage for the ADSP-2185KSTZ-133?
The power supply voltage is 5 V. - Does the ADSP-2185KSTZ-133 support low power modes?
Yes, it has low power dissipation in idle mode. - How many external interrupts does the ADSP-2185KSTZ-133 support?
The ADSP-2185KSTZ-133 supports six external interrupts. - What is the purpose of the internal DMA port?
The 16-bit internal DMA port provides high-speed access to on-chip memory and supports transparent, direct access to the DSP's on-chip program and data RAM. - Can the ADSP-2185KSTZ-133 be used in portable equipment?
Yes, due to its low power consumption, it is suitable for battery-operated portable equipment.
