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Analog Devices Inc. ADSP-2186MBCA-266
- Part No.:
- ADSP-2186MBCA-266
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 144-LFBGA, CSPBGA
- Datasheet:
-
ADSP-2186MBCA-266.pdf
- Description:
- IC DSP 16BIT 80MHZ 144CSPBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADSP-2186MBCA-266 from Analog Devices is a 24-bit/16-bit fixed-point DSP microcomputer optimized for real-time signal processing in embedded systems. It delivers 75 MIPS sustained performance at 13.3 ns instruction cycle time, integrates 8K × 24-bit program RAM and 8K × 16-bit data RAM, and supports dual serial ports (SPORT0/SPORT1) with hardware companding for audio and telecom applications.
For engineers reviewing the ADSP-2186MBCA-266 datasheet, ADSP-2186MBCA-266 pinout, ADSP-2186MBCA-266 application, or ADSP-2186MBCA-266 equivalent, key selection considerations include its 100-lead LQFP package, 2.5 V core voltage with 2.5/3.3 V I/O tolerance, zero-overhead looping architecture, ICE-Port™ debug interface, and byte DMA support for EPROM booting - all critical for low-power portable DSP designs.
Technical Context
The ADSP-2186MBCA-266 implements the ADSP-2100 base architecture with three independent computational units: a 16-bit ALU, a 40-bit MAC supporting single-cycle multiply-accumulate, and a barrel shifter enabling normalization and exponent derivation. Its dual DAGs support simultaneous dual-operand fetches from program and data memory using modulo addressing for circular buffers.
It operates in Full Memory Mode (Mode C = 0) or Host Mode (Mode C = 1), with configurable external bus interfaces: 14-bit address/24-bit data bus in Full Memory Mode or 16-bit multiplexed IDMA port in Host Mode. Serial ports support frame-synchronized or frameless operation, 3–16-bit word lengths, and A-law/µ-law companding per CCITT G.711.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | ADSP-2100 family 3-bus Harvard architecture with ALU, MAC, and shifter operating in parallel |
| Performance | 75 MIPS sustained at 13.3 ns instruction cycle time; every instruction executes in one cycle |
| On-Chip Memory | 8K × 24-bit program RAM + 8K × 16-bit data RAM - enables full algorithm execution without external memory access |
| Serial Interfaces | Two independent SPORTs with double-buffered Tx/Rx, programmable clocks, and hardware A-law/µ-law companding |
| Power Supply | 2.5 V core (VDDINT) with 2.5 V or 3.3 V I/O (VDDEXT); all inputs tolerate up to 3.6 V regardless of mode |
| Debug Interface | 14-pin ICE-Port™ supporting in-target emulation, up to 20 breakpoints, and C source-level debugging |
| Operating Temperature | –40°C to +85°C industrial grade - validated for deployment in harsh embedded environments |
Pinout & Package
ADSP-2186MBCA-266 is packaged in a 100-lead LQFP (ST-100) with 0.5 mm pitch. Pin functions are mode-dependent: Full Memory Mode (Mode C = 0) uses A13:A0 and D23:D0 for external memory interfacing; Host Mode (Mode C = 1) repurposes pins for 16-bit IDMA port (IAD15:IAD0), IWR, IRD, IAL, IS, and IACK.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Asynchronous processor reset input | Active-low signal initializing all registers and forcing boot sequence; must be held low ≥ 100 ns after power stabilization |
| CLKIN / XTAL | Clock source input | Accepts 26.6 MHz crystal or external clock; drives internal PLL to generate core timing - determines 13.3 ns instruction cycle |
| A13:A0 | Address output (Full Memory Mode) | 14-bit multiplexed address bus driving external program/data/byte/I/O memory spaces; requires external latch on rising edge of CLKOUT |
| D23:D0 | Data I/O (Full Memory Mode) | 24-bit bidirectional data bus; upper 8 bits (D23:D16) serve as byte memory address lines in BDMA operations |
| SPORT0 / SPORT1 | Synchronous serial I/O | Each port has SCLK, RFS, TFS, DR, DT pins; supports time-division multiplexed (TDM) streams up to 32 channels on SPORT0 |
| PF0–PF7 | Programmable flag I/O | 8 pins configurable as input/output flags; PF7–PF4 share IRQ functionality and retain concurrent interrupt/flag behavior when enabled |
| ICE-Port Pins (TCK, TDO, TDI, TMS, TRST, etc.) | JTAG-compatible debug interface | Enables non-intrusive real-time debugging without halting CPU; eliminates need for socketed emulators or board modifications |
Key Features
| Feature | Design Value |
|---|---|
| Zero-overhead looping | Hardware loop counters and stack eliminate branch instructions during repetitive code - critical for FIR/IIR filter kernels |
| Byte DMA controller (BDMA) | Directly addresses up to 4 MB external byte-wide memory for transparent program overlays and data tables without CPU intervention |
| Internal DMA port (IDMA) | 16-bit multiplexed address/data bus with dedicated control signals enables high-speed host processor access to on-chip RAM |
| Power-down mode | Reduces CMOS standby power; 200 CLKIN-cycle recovery time allows rapid wake-up for burst-mode signal processing |
| Flexible interrupt system | 11 total interrupts (6 external, 5 internal), individually maskable via IMASK register; power-down interrupt is nonmaskable |
| New instruction set extensions | Includes bit manipulation (set/clear/toggle/test), ײ multiplication, biased rounding, and global interrupt masking - improves code density and control efficiency |
Applications
| Audio Signal Processing | Telecom Line Card |
|---|---|
|
Use Scenario: Real-time noise cancellation and echo suppression in VoIP handsets and conference systems. IC Role / Device Role / Timing Role: Primary DSP executing adaptive filtering algorithms with deterministic 13.3 ns instruction latency and dual SPORTs handling full-duplex audio streams. Use Value: Hardware companding (A-law/µ-law) reduces external codec complexity; on-chip 16 kB RAM eliminates external SRAM, lowering BOM cost and PCB area. |
Use Scenario: Channelized TDM processing in DSLAM line cards requiring multi-channel PCM framing and CAS/CCS signaling. IC Role / Device Role / Timing Role: Dedicated channel bank processor managing 24–32 time slots per SPORT0, synchronized to network clock via external SCLK. Use Value: SPORT0's multichannel interface directly receives/transmits 24/32-word TDM bitstreams; programmable wait states accommodate slow framing logic. |
| Industrial Motor Control | Portable Medical Imaging |
|
Use Scenario: Closed-loop field-oriented control (FOC) of BLDC motors in battery-powered tools and drones. IC Role / Device Role / Timing Role: Real-time PWM generation and current/voltage sampling coordination using timer interrupts and flag I/O for gate driver sync. Use Value: 16-bit interval timer with 8-bit prescaler provides precise 10–100 kHz PWM carrier frequencies; 13 programmable flags enable direct GPIO control of external drivers. |
Use Scenario: Ultrasound beamforming and digital demodulation in handheld imaging devices with strict power budgets. IC Role / Device Role / Timing Role: Low-power DSP performing FIR filtering and envelope detection on digitized RF echoes, entering power-down between acquisition bursts. Use Value: 200-cycle power-down recovery enables sub-millisecond wake-up; 2.5 V core voltage minimizes dynamic power dissipation during intensive FFT computation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-point DSP microcomputer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-2189MBCA-75 | Higher clock speed (75 MHz vs. 26.6 MHz), same 100-lead LQFP package and instruction set; adds 16-bit stereo audio interface via integrated AD73322 codec support | Targeted at audio-centric evaluation and prototyping; lacks byte DMA controller and has reduced I/O memory space flexibility | Select ADSP-2189MBCA-75 only when stereo audio I/O and higher throughput are required - not drop-in compatible due to different memory mapping and peripheral configuration |
| TMS320C549PGE | 16-bit fixed-point DSP from Texas Instruments; 100-MIPS peak, 144-pin LQFP; no on-chip program RAM - requires external ROM for booting | Designed for cost-sensitive telecom infrastructure; lacks hardware companding and ICE-Port™ debug interface | Choose TMS320C549PGE for legacy TI toolchain compatibility and higher raw MIPS, but expect added design effort for external memory interface and debug setup |
Compared with ADSP-2186MBCA-266, ADSP-2189MBCA-75 offers higher performance and integrated audio I/O but sacrifices byte DMA flexibility, while TMS320C549PGE provides greater raw throughput at the cost of boot complexity and debug capability - making ADSP-2186MBCA-266 optimal for balanced, self-contained DSP applications with stringent power and debug requirements.
Availability
ADSP-2186MBCA-266 is available at Aetrix Electronics and suitable for industrial motor control, portable medical imaging, telecom line card development, and audio signal processing requiring stable component supply across long-lifecycle embedded programs.
Supply support for ADSP-2186MBCA-266 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and DSP technology, founded in 1965 and headquartered in Norwood, MA.
The ADSP-2186MBCA-266 belongs to the ADSP-2100 family of single-chip DSP microcomputers designed specifically for real-time embedded signal processing where deterministic latency, low power, and on-chip memory integration are essential.
FAQ
What is the maximum external memory capacity supported by ADSP-2186MBCA-266 in Full Memory Mode?
ADSP-2186MBCA-266 supports up to 4 MByte of external byte-wide memory via its Byte DMA (BDMA) controller in Full Memory Mode. This capacity is used for program overlays and data tables, with BDMA handling transfers transparently without CPU intervention. The 14-bit address bus (A13:A0) combined with byte-select logic enables full 4 MByte addressing, confirmed in the Memory Timing Specifications section of the datasheet.
Does ADSP-2186MBCA-266 support booting from external EPROM, and what interface is used?
Yes, ADSP-2186MBCA-266 supports automatic booting from byte-wide external memory such as EPROM using its Byte DMA port. During reset, the device initiates a bootstrap load sequence that transfers program code into on-chip program RAM. This process is fully hardware-managed and requires no firmware initialization - a key feature documented in the Bootstrap Loading section of the datasheet.
What are the voltage requirements for VDDINT and VDDEXT on ADSP-2186MBCA-266?
ADSP-2186MBCA-266 requires 2.5 V ± 0.2 V on VDDINT (internal core supply) and accepts either 2.5 V or 3.3 V on VDDEXT (I/O supply). All digital inputs tolerate up to 3.6 V regardless of VDDEXT setting, enabling safe interfacing with mixed-voltage systems. These values are specified in the Recommended Operating Conditions table (page 18) and validated across the –40°C to +85°C temperature range.
How does the ICE-Port™ interface on ADSP-2186MBCA-266 differ from standard JTAG debug solutions?
The ICE-Port™ on ADSP-2186MBCA-266 is a proprietary 14-pin interface derived from JTAG but enhanced for real-time DSP debugging. It supports in-target operation, up to 20 hardware breakpoints, instruction-level emulation of booting, and C source-level debugging - all without requiring CPU halting or external adapters. Unlike generic JTAG, ICE-Port™ integrates tightly with Analog Devices' EZ-ICE® emulator for seamless final-system validation.
Can ADSP-2186MBCA-266 operate in both Full Memory Mode and Host Mode simultaneously?
No, ADSP-2186MBCA-266 operates exclusively in either Full Memory Mode (Mode C = 0) or Host Mode (Mode C = 1), selected solely by the logic level on the Mode C pin during RESET. The mode is latched at power-up and cannot be changed dynamically during runtime. Pin sharing between modes (e.g., A13:A0 vs. IAD15:IAD0) makes simultaneous operation electrically impossible and architecturally unsupported.
ADSP-2186MBCA-266 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- ADSP-21xx
- Package/Case:
- 144-LFBGA, CSPBGA
- Packaging:
- Bag
- Product Status:
- Obsolete
- Type:
- Fixed Point
- Interface:
- Host Interface, Serial Port
- Clock Rate:
- 66MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 40kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 2.50V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 144-CSPBGA (10x10)
ADSP-2186MBCA-266 FAQ
1.How can I place an order for ADSP-2186MBCA-266 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-2186MBCA-266 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADSP-2186MBCA-266 reliable?
The price and inventory of ADSP-2186MBCA-266 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-2186MBCA-266 is usually 5 days.
3.What payment methods are accepted for ADSP-2186MBCA-266?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-2186MBCA-266 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-2186MBCA-266?
ADSP-2186MBCA-266 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-2186MBCA-266 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADSP-2186MBCA-266?
For technical support, including ADSP-2186MBCA-266 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-2186MBCA-266 requirements.
6.How does Aetrix verify that ADSP-2186MBCA-266 is sourced from the original manufacturer or authorized distributors?
All ADSP-2186MBCA-266 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADSP-2186MBCA-266 meets industry standards.
7.What is the process for return or replacement of ADSP-2186MBCA-266?
All ADSP-2186MBCA-266 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-2186MBCA-266, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADSP-2186MBCA-266 part is unused and in its original packaging.
Return procedure for ADSP-2186MBCA-266:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADSP-2186MBCA-266 Tags
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TMS320C5535AZAY10
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TMS320VC5501PGF300
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ADSP-BF592KCPZ
Analog Devices Inc.
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ADAU1463WBCPZ150
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ADAU1701JSTZ-RL
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ADAU1701JSTZ
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ADAU1462WBCPZ300RL
Analog Devices Inc.
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ADAU1452KCPZRL
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ADAU1452WBCPZ-RL
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