ADSP-2185MBST-266
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Analog Devices Inc. ADSP-2185MBST-266

Manufacturer No:
ADSP-2185MBST-266
Manufacturer:
Analog Devices Inc.
Package:
Bag
Description:
IC DSP CONTROLLER 16BIT 100LQFP
Delivery:
Payment:
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Product Introduction

Overview

The ADSP-2185M, specifically the ADSP-2185MBST-266 model, is a single-chip microcomputer designed by Analog Devices Inc. for digital signal processing (DSP) and other high-speed numeric processing applications. This device integrates the ADSP-2100 family base architecture, which includes three computational units (ALU, multiplier/accumulator, and shifter), data address generators, and a program sequencer. It is optimized for low power consumption, making it suitable for battery-operated portable equipment.

Key Specifications

SpecificationValue
Instruction Cycle Time13.3 ns @ 2.5 V (Internal)
Sustained Performance75 MIPS
On-Chip Memory80K bytes (16K words of 24-bit program RAM, 16K words of 16-bit data RAM)
Package Options100-lead LQFP, 144-Ball Mini-BGA
Serial PortsTwo double-buffered serial ports with companding hardware and automatic data buffering
DMA Ports16-bit internal DMA port, byte DMA port
Timer and InterruptsProgrammable timer, six external interrupts, 13 programmable flag pins
Power ConsumptionLow power dissipation in idle mode, power-down circuitry for low standby power

Key Features

  • Single-cycle instruction execution and single-cycle context switch
  • 3-bus architecture allowing dual operand fetches in every instruction cycle
  • ADSP-2100 family code compatible with instruction set extensions
  • Automatic booting of on-chip program memory from external memory or through internal DMA port
  • UART emulation through software SPORT reconfiguration
  • ICE-Port™ emulator interface for debugging in final systems
  • Extensive interrupt capabilities and flexible system signaling

Applications

The ADSP-2185M is suitable for a variety of applications, including digital signal processing, high-speed numeric processing, and battery-operated portable equipment. It can be used in audio processing, medical devices, industrial control systems, and other applications requiring high computational performance and low power consumption.

Q & A

  1. What is the instruction cycle time of the ADSP-2185M at 2.5V? The instruction cycle time is 13.3 ns at 2.5V.
  2. What is the sustained performance of the ADSP-2185M? The sustained performance is 75 MIPS.
  3. How much on-chip memory does the ADSP-2185M have? The ADSP-2185M has 80K bytes of on-chip memory, configured as 16K words of 24-bit program RAM and 16K words of 16-bit data RAM.
  4. What package options are available for the ADSP-2185M? The ADSP-2185M is available in 100-lead LQFP and 144-Ball Mini-BGA packages.
  5. Does the ADSP-2185M support serial communication? Yes, it has two double-buffered serial ports with companding hardware and automatic data buffering.
  6. What DMA capabilities does the ADSP-2185M have? It includes a 16-bit internal DMA port and a byte DMA port.
  7. What are the power management features of the ADSP-2185M? The ADSP-2185M features low power dissipation in idle mode and power-down circuitry for low standby power.
  8. Is the ADSP-2185M compatible with previous ADSP-2100 family code? Yes, it is ADSP-2100 family code compatible with instruction set extensions.
  9. How does the ADSP-2185M support debugging? It supports debugging through the ICE-Port™ emulator interface.
  10. What kind of interrupt capabilities does the ADSP-2185M have? The ADSP-2185M has six external interrupts and 13 programmable flag pins for flexible system signaling.

Product Attributes

Type:Fixed Point
Interface:Host Interface, Serial Port
Clock Rate:66MHz
Non-Volatile Memory:External
On-Chip RAM:80kB
Voltage - I/O:3.30V
Voltage - Core:2.50V
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:100-LQFP
Supplier Device Package:100-LQFP (14x14)
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Similar Products

Part Number ADSP-2185MBST-266 ADSP-2186MBST-266 ADSP-2188MBST-266 ADSP-2185MBSTZ-266
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Obsolete Obsolete Active
Type Fixed Point Fixed Point Fixed Point Fixed Point
Interface Host Interface, Serial Port Host Interface, Serial Port Host Interface, Serial Port Host Interface, Serial Port
Clock Rate 66MHz 66MHz 66MHz 66MHz
Non-Volatile Memory External External External External
On-Chip RAM 80kB 40kB 256KB 80kB
Voltage - I/O 3.30V 3.30V 3.30V 3.30V
Voltage - Core 2.50V 2.50V 2.50V 2.50V
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 100-LQFP 100-LQFP 100-LQFP 100-LQFP
Supplier Device Package 100-LQFP (14x14) 100-LQFP (14x14) 100-LQFP (14x14) 100-LQFP (14x14)

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