Overview
The ADSP-2188NBSTZ-320 is a member of the ADSP-218xN series of digital signal processing (DSP) microcomputers produced by Analog Devices Inc. This series is optimized for digital signal processing applications and offers high performance and low power consumption. The ADSP-2188N is part of a family of six single-chip microcomputers that are pin-compatible and differentiated by the amount of on-chip SRAM. This particular model features 48K words of program memory and 56K words of data memory, making it highly versatile for various DSP tasks.
Key Specifications
| Specification | Details |
|---|---|
| Processor Type | 16-bit Digital Signal Processor |
| Instruction Cycle Time | 12.5 ns @ 1.8 V, 80 MIPS sustained performance |
| Program Memory | Up to 48K words (24-bit) |
| Data Memory | Up to 56K words (16-bit) |
| Package Type | 100-lead LQFP (14mm x 14mm) |
| Voltage Operation | 1.8 V, 2.5 V, or 3.3 V |
| Power Consumption | Low power dissipation in idle mode, 0.55 mW/MIP @ 1.8 V |
| Serial Ports | Two double-buffered serial ports with companding hardware and automatic data buffering |
| DMA Ports | 16-bit internal DMA port, 8-bit byte DMA port |
| Interrupts | Six external interrupts, 13 programmable flag pins |
Key Features
- Three computational units: ALU, multiplier/accumulator, and barrel shifter
- Power-down mode with low CMOS standby power dissipation and 200 CLKIN cycle recovery
- Low power dissipation in idle mode
- Single-cycle instruction execution and single-cycle context switch
- Programmable 16-bit interval timer with prescaler
- 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
- ICE-Port™ emulator interface for debugging
Applications
The ADSP-2188NBSTZ-320 is designed for a wide range of digital signal processing applications, including audio processing, image processing, telecommunications, and industrial control systems. Its high performance, low power consumption, and flexible I/O capabilities make it suitable for embedded systems that require efficient and reliable DSP capabilities.
Q & A
- What is the ADSP-2188NBSTZ-320? The ADSP-2188NBSTZ-320 is a 16-bit digital signal processor from the ADSP-218xN series by Analog Devices Inc.
- What is the instruction cycle time of the ADSP-2188N? The instruction cycle time is 12.5 ns at 1.8 V, providing 80 MIPS sustained performance.
- How much program and data memory does the ADSP-2188N have? The ADSP-2188N has up to 48K words of program memory and up to 56K words of data memory.
- What are the voltage operation options for the ADSP-2188N? The ADSP-2188N can operate at 1.8 V, 2.5 V, or 3.3 V.
- Does the ADSP-2188N support DMA operations? Yes, it has a 16-bit internal DMA port and an 8-bit byte DMA port.
- How many serial ports does the ADSP-2188N have? The ADSP-2188N has two double-buffered serial ports with companding hardware and automatic data buffering.
- What is the power consumption of the ADSP-2188N? The ADSP-2188N has low power dissipation in idle mode, with 0.55 mW/MIP at 1.8 V.
- Does the ADSP-2188N support external interrupts? Yes, it has six external interrupts and 13 programmable flag pins.
- What is the package type of the ADSP-2188NBSTZ-320? The ADSP-2188NBSTZ-320 is available in a 100-lead LQFP package.
- Is the ADSP-2188N compatible with other ADSP-218xN series members? Yes, all series members are pin-compatible and differentiated solely by the amount of on-chip SRAM.
