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Analog Devices Inc. ADSP-2188MBCA-266
- Part No.:
- ADSP-2188MBCA-266
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 144-LFBGA
- Datasheet:
-
ADSP-2188MBCA-266.pdf
- Description:
- IC DSP CONTROLLER 16BIT 144MBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,020
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Product details
Overview
ADSP-2188MBCA-266 from Analog Devices is a 75 MIPS fixed-point DSP microcomputer with 48K × 24-bit on-chip program RAM, 56K × 16-bit data RAM, dual synchronous serial ports (SPORT0/SPORT1), and 13.3 ns instruction cycle time. It executes single-cycle instructions, supports zero-overhead looping, and targets real-time audio processing, telecom baseband, and industrial control systems.
For engineers reviewing the ADSP-2188MBCA-266 datasheet, ADSP-2188MBCA-266 pinout, ADSP-2188MBCA-266 application, or ADSP-2188MBCA-266 equivalent, key selection criteria include its 100-lead LQFP package, 2.75 V core supply, byte DMA port for EPROM booting, ICE-Port™ debug interface, and ADSP-2100 family code compatibility.
Technical Context
The ADSP-2188MBCA-266 implements the ADSP-2100 base architecture with three independent computational units: ALU, 40-bit MAC, and barrel shifter - all interconnected via the result (R) bus. Its dual DAGs enable simultaneous dual-operand fetches from program and data memory in every cycle.
It supports two operating modes: Full Memory Mode (14-bit address / 24-bit data bus) and Host Mode (16-bit IDMA port), selected at reset via Mode C pin. Serial ports provide hardware companding (A-law/µ-law), frame-synchronized I/O, and multichannel TDM support on SPORT0.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | ADSP-2100 family 3-bus Harvard architecture with ALU, MAC, shifter, dual DAGs, and zero-overhead loop sequencer |
| Performance | 75 MIPS sustained @ 13.3 ns instruction cycle; single-cycle context switch and multifunction instructions |
| On-Chip Memory | 48K × 24-bit program RAM + 56K × 16-bit data RAM; dual-purpose program memory supports instruction/data overlay |
| Serial Interfaces | Dual independent SPORTs with double-buffered Tx/Rx, programmable clocks, hardware A-law/µ-law companding per CCITT G.711 |
| System Interface | Byte DMA port (up to 4 MB external byte memory), 16-bit IDMA port, 2048-location I/O space, programmable wait states, glueless peripheral interfacing |
| Power & Packaging | 2.75 V core supply (VDDINT), 2.75 V/3.3 V I/O (VDDEXT), 100-lead LQFP (ST-100), –40°C to +85°C industrial temperature grade |
| Debug Support | Integrated ICE-Port™ (14-pin) for in-circuit emulation; supports breakpoints, register/memory inspection, PC upload/download, and C-level debugging |
Pinout & Package
ADSP-2188MBCA-266 is housed in a 100-lead LQFP (ST-100) package with 0.5 mm pitch, 14 mm × 14 mm body, and exposed thermal pad. Pin functions are mode-dependent: Full Memory Mode uses A13:A0 and D23:D0 for external memory; Host Mode repurposes pins for IAD15:IAD0, IWR, IRD, IAL, IS, and IACK.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Asynchronous processor reset input | Active-low signal initializing registers, disabling peripherals, and forcing boot sequence; sampled synchronously with CLKIN |
| CLKIN / XTAL | Master clock source input | Accepts 2.75 V CMOS clock or crystal (fundamental mode); drives internal PLL to generate core timing; CLKOUT available for system sync |
| A13:A0 (Mode C = 0) | External address bus output | 14-bit multiplexed address for program/data/byte/I/O spaces; enables 4 MB addressing in Full Memory Mode |
| D23:D0 (Mode C = 0) | External bidirectional data bus | 24-bit data path supporting 24-bit program memory reads/writes and 16-bit data memory operations; upper 8 bits serve as byte memory address |
| SPORT0 / SPORT1 | Dual synchronous serial I/O | Each port has SCLK, RFS, TFS, DR, DT pins; software-configurable for framing, word length (3–16 bits), and interrupt generation per transfer |
| PF0–PF7 | Programmable flag I/O | Eight pins configurable as input/output flags; concurrent interrupt capability (e.g., IRQE/PF4); used for handshaking, status signaling, or GPIO |
| EZ-Port (9 pins) | ICE-Port™ emulation interface | 14-pin dedicated debug bus (9 signals shown in pin table); enables non-intrusive real-time debugging without target board modification |
Key Features
| Feature | Design Value |
|---|---|
| Single-cycle instruction execution | Enables deterministic real-time response; eliminates pipeline stalls for critical control loops and filter kernels |
| Dual-DAG address generation | Supports simultaneous access to circular buffers (e.g., FIR coefficients + sample history) without CPU intervention |
| Hardware companding (A-law/µ-law) | Offloads codec processing from firmware; reduces CPU cycles needed for telephony-grade voice compression/decompression |
| Byte DMA boot loader | Permits direct boot from low-cost 8-bit EPROM/Flash; eliminates need for external PROM programmer or host initialization |
| Power-down mode with 200-cycle wake-up | Reduces active current to µA range during idle periods; enables battery-powered portable DSP applications with fast resumption |
| Memory-mapped I/O with 2048 locations | Allows direct peripheral register access using standard load/store instructions; simplifies driver development and avoids bit-banging overhead |
Applications
| Voice Communications System | Industrial Motor Control |
|---|---|
Use Scenario: Real-time echo cancellation and noise suppression in VoIP gateways and IP phones. IC Role / Device Role / Timing Role: Primary DSP executing adaptive filtering algorithms with strict 10–20 ms latency budget. Use Value: Dual SPORTs handle full-duplex audio streams while on-chip RAM stores filter coefficients and sample buffers - eliminating external memory bottlenecks. |
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM motors in HVAC compressors. IC Role / Device Role / Timing Role: Real-time PWM waveform generation and current-loop computation at 10–20 kHz switching frequency. Use Value: 75 MIPS throughput and zero-overhead loops ensure sub-microsecond jitter in motor control interrupts - maintaining torque stability under load transients. |
| Medical Ultrasound Beamformer | Test & Measurement Signal Analyzer |
Use Scenario: Digital beamforming and RF demodulation in portable ultrasound scanners. IC Role / Device Role / Timing Role: High-throughput data acquisition engine synchronizing ADC samples across 16+ channels. Use Value: Byte DMA port transfers raw ADC data directly into on-chip data RAM; internal DMA port feeds processed results to display controller - minimizing off-chip bandwidth. |
Use Scenario: FFT-based spectral analysis and harmonic distortion measurement in benchtop analyzers. IC Role / Device Role / Timing Role: Dedicated FFT accelerator co-processor handling 1024-point transforms at >1 kHz update rate. Use Value: 40-bit MAC accumulator prevents overflow in high-dynamic-range FFTs; 48K program RAM stores optimized assembly kernels - avoiding cache misses. |
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-266 | Higher clock speed (75 MHz vs. 75 MIPS nominal), identical architecture and pinout; adds enhanced timer and extended flag I/O | Better suited for latency-critical control loops requiring tighter interrupt response; same PCB layout but higher power draw | Select when needing marginally faster deterministic execution without changing software or hardware design |
| TMS320VC5402PGE100 | TI C54x core; 100 MIPS @ 100 MHz, 16K × 16-bit RAM, 16-bit EMIF, no on-chip boot ROM, different instruction set | Requires full toolchain migration; lacks hardware companding and ICE-Port; stronger ecosystem for legacy telecom designs | Choose only if migrating existing C54x codebase or requiring TI's mature third-party algorithm libraries |
Compared with ADSP-2188MBCA-266, ADSP-2189MBCA-266 offers identical footprint and software compatibility with marginal performance uplift, while TMS320VC5402PGE100 demands full architectural rework but delivers higher peak MIPS and broader vendor support for volume production.
Availability
ADSP-2188MBCA-266 is available at Aetrix Electronics and suitable for voice communications systems, industrial motor controllers, medical ultrasound beamformers, and test & measurement analyzers requiring stable component supply and long-term industrial temperature support.
Supply support for ADSP-2188MBCA-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 Wilmington, MA.
The ADSP-2188MBCA-266 belongs to the ADSP-2100 family of fixed-point DSP microcomputers, designed specifically for cost-sensitive, low-power embedded signal processing applications demanding deterministic real-time performance and integrated memory.
FAQ
What is the maximum operating frequency and instruction throughput of the ADSP-2188MBCA-266?
The ADSP-2188MBCA-266 operates at a 13.3 ns instruction cycle time, delivering 75 million instructions per second (MIPS) sustained performance. This is achieved with single-cycle execution of all instructions, including ALU, MAC, and shifter operations, and is specified at 2.75 V core supply and industrial temperature range (–40°C to +85°C). The ADSP-2188MBCA-266 does not use an external clock multiplier; its core frequency equals the CLKIN input frequency.
Does the ADSP-2188MBCA-266 support booting from external memory, and what interfaces are available?
Yes, the ADSP-2188MBCA-266 supports automatic booting from external byte-wide memory (e.g., EPROM or Flash) via its Byte DMA (BDMA) port. In Full Memory Mode, it can also boot through the Internal DMA (IDMA) port in Host Mode. Boot configuration is controlled by MODE pins at reset, and the device loads the first 32 words from external memory into program RAM before beginning execution. No external boot controller is required.
What debug capabilities does the ADSP-2188MBCA-266 provide, and is JTAG supported?
The ADSP-2188MBCA-266 integrates Analog Devices' ICE-Port™ emulator interface - a dedicated 14-pin debug port supporting in-circuit emulation, up to 20 breakpoints, single-step/full-speed operation, register and memory inspection/modification, and C-source-level debugging. It does not implement IEEE 1149.1 (JTAG); ICE-Port is a proprietary, higher-bandwidth alternative optimized for DSP real-time tracing and non-intrusive monitoring.
How is memory organized on the ADSP-2188MBCA-266, and can program memory store data?
The ADSP-2188MBCA-266 contains 48K × 24-bit on-chip program RAM and 56K × 16-bit data RAM. Program memory is dual-purpose: it holds both executable instructions and constant/data tables (e.g., FFT twiddle factors, filter coefficients). This allows simultaneous dual-operand fetches - one from program memory and one from data memory - in a single cycle, enabling efficient implementation of multiply-accumulate kernels without external memory access.
What are the power supply requirements and thermal characteristics of the ADSP-2188MBCA-266?
The ADSP-2188MBCA-266 requires two supplies: 2.75 V ± 0.15 V for VDDINT (core logic) and 2.75 V or 3.3 V ± 0.3 V for VDDEXT (I/O). All inputs tolerate up to 3.6 V regardless of VDDEXT setting. Total typical power dissipation is 650 mW at 75 MIPS with 50% I/O activity. The 100-lead LQFP package features an exposed thermal pad; proper PCB copper pour and thermal vias are required to maintain junction temperature within –40°C to +105°C limits.
ADSP-2188MBCA-266 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- ADSP-21xx
- Package/Case:
- 144-LFBGA
- Packaging:
- Bag
- Product Status:
- Obsolete
- Type:
- Fixed Point
- Interface:
- Host Interface, Serial Port
- Clock Rate:
- 66MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 256kB
- 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-MiniBGA (10x10)
ADSP-2188MBCA-266 FAQ
1.How can I place an order for ADSP-2188MBCA-266 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-2188MBCA-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-2188MBCA-266 reliable?
The price and inventory of ADSP-2188MBCA-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-2188MBCA-266 is usually 5 days.
3.What payment methods are accepted for ADSP-2188MBCA-266?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-2188MBCA-266 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-2188MBCA-266?
ADSP-2188MBCA-266 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-2188MBCA-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-2188MBCA-266?
For technical support, including ADSP-2188MBCA-266 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-2188MBCA-266 requirements.
6.How does Aetrix verify that ADSP-2188MBCA-266 is sourced from the original manufacturer or authorized distributors?
All ADSP-2188MBCA-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-2188MBCA-266 meets industry standards.
7.What is the process for return or replacement of ADSP-2188MBCA-266?
All ADSP-2188MBCA-266 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-2188MBCA-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-2188MBCA-266 part is unused and in its original packaging.
Return procedure for ADSP-2188MBCA-266:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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