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Analog Devices Inc. ADSP-2103BP-40
- Part No.:
- ADSP-2103BP-40
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 68-LCC (J-Lead)
- Datasheet:
-
ADSP-2103BP-40.pdf
- Description:
- 16-BIT DIGITAL SIGNAL PROCESSOR
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADSP-2103BP-40 from Analog Devices is a 16-bit fixed-point DSP microprocessor in the ADSP-2100 Family, operating at 25 MHz with 40 ns instruction cycle time. It features 2 KB on-chip program RAM, 1 KB on-chip data RAM, dual serial ports (SPORT0 and SPORT1), and a programmable interval timer. Designed for real-time audio processing, telecom channel coding, and motor control, it executes all instructions in a single cycle using enhanced Harvard architecture.
For engineers reviewing the ADSP-2103BP-40 datasheet, ADSP-2103BP-40 pinout, ADSP-2103BP-40 application, or ADSP-2103BP-40 equivalent, key selection considerations include its 3.3 V supply operation, PLCC-68 package compatibility, 25 MIPS throughput, zero-overhead looping capability, and support for automatic booting from external EPROM - critical for embedded DSP systems requiring deterministic latency and compact memory footprint.
Technical Context
The ADSP-2103BP-40 implements a three-bus enhanced Harvard architecture with separate program and dual data buses, enabling simultaneous instruction fetch, dual operand access, and computation in one cycle. Its core includes an ALU, multiplier/accumulator (MAC), and shifter - all 16-bit, interconnected via the internal R bus for pipelined data flow.
Dual data address generators (DAGs) support modulo and bit-reverse addressing for efficient FFT and circular buffer operations. The program sequencer enables zero-overhead loops and conditional branching, while SPORT0 supports multichannel TDM interfaces up to 32 time slots - confirmed for ADSP-2103 per Table I and functional description.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Enhanced Harvard with independent instruction & dual data buses - enables true parallel fetch/execute/data move per cycle. |
| Instruction Rate | 25 MIPS / 40 ns cycle - guarantees deterministic real-time execution for hard-deadline signal processing tasks. |
| On-Chip Memory | 2 KB program RAM + 1 KB data RAM - eliminates need for external instruction memory in many firmware-contained applications. |
| Supply Voltage | 3.3 V ± 0.3 V - lower power than 5 V ADSP-2101; compatible with modern low-voltage logic interfaces. |
| Serial Interfaces | SPORT0 (multichannel capable) + SPORT1 - supports simultaneous full-duplex audio streams or T1/E1 framing without external glue logic. |
| Interrupt System | Three edge-/level-sensitive IRQ inputs + timer/serial interrupts - enables responsive event-driven control in motor or sensor systems. |
| Boot Capability | Automatic byte-wide EPROM boot - allows field-upgradable firmware loading without host processor intervention. |
Pinout & Package
ADSP-2103BP-40 is packaged in a 68-lead plastic leaded chip carrier (PLCC), surface-mountable with J-lead configuration and 0.050" lead pitch. Pinout conforms to ADSP-2101/2103/2105/2115/216x PLCC-68 standard per datasheet Figure 7 and Table IV.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN | Clock Input | Accepts TTL-compatible external clock or crystal; drives internal PLL-free timing system at 25 MHz. |
| RESET | Master Reset Input | Active-low asynchronous reset; initiates 3-cycle boot sequence and vector fetch from 0x0000. |
| IRQ0–IRQ2 | External Interrupt Inputs | Configurable as level- or edge-sensitive; IRQ0/IRQ1 may be remapped to SPORT1 pins for dual-role flexibility. |
| SPORT0: DR0/DT0/RFS0/TFS0/SCLK0 | Serial Port 0 Interface | Full-duplex synchronous interface supporting multichannel TDM; RFS0/TFS0 enable frame-aligned audio streaming. |
| SPORT1: DR1/DT1/RFS1/TFS1/SCLK1 | Serial Port 1 Interface | Independent full-duplex port; DR1/DT1 optionally configurable as general-purpose flag I/O (FI/FO). |
| BMS/DMS/PMS | Memory Space Select | Control signals indicating active memory space (program/data/boot) during external bus cycles - essential for glueless memory mapping. |
| VDD/VSS | Power/Ground | 3.3 V core supply (VDD) and ground (VSS); requires local decoupling per datasheet layout guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| Single-cycle instruction execution | Every instruction completes in one 40 ns cycle - ensures predictable worst-case timing for real-time control loops. |
| Zero-overhead looping | Hardware loop counters eliminate branch penalties; enables tight FFT or FIR kernels without pipeline stalls. |
| Dual data address generators | Each DAG maintains four pointers with modulo/rotate support - accelerates circular buffer management for audio buffers or sensor FIFOs. |
| Hardware companding (A-law/µ-law) | Integrated in both SPORTs per CCITT G.711 - reduces external codec count in telephony voice processing designs. |
| Automatic EPROM boot | Loads program memory from byte-wide external EPROM after reset - simplifies production programming and field updates. |
Applications
| Audio Signal Processing | Telecom Channel Coding |
|---|---|
|
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 LMS filters and spectral subtraction algorithms with sub-100 µs latency. Use Value: 25 MIPS throughput and dual SPORTs allow concurrent full-duplex 16-bit audio streams at 8–48 kHz sampling rates without external buffering. |
Use Scenario: G.729A speech compression/decompression in PSTN gateways and IP PBX hardware. IC Role / Device Role / Timing Role: Standalone coder/decoder running fixed-point CELP algorithm with strict 15 ms frame processing deadline. Use Value: On-chip 2 KB program RAM stores entire codec kernel; zero-overhead loops ensure deterministic 10.2 ms encode time at 25 MHz. |
| Motor Control | Industrial Data Acquisition |
|
Use Scenario: Field-oriented control (FOC) of 3-phase PMSM motors in HVAC blowers and servo drives. IC Role / Device Role / Timing Role: Real-time executor of Park/Clarke transforms, PI current regulators, and SVM modulation within 50 µs control cycle. Use Value: Dual DAGs manage rotating coordinate buffers; 16-bit MAC delivers 32-bit precision for torque ripple minimization. |
Use Scenario: High-resolution vibration analysis in predictive maintenance sensors using FFT-based spectral monitoring. IC Role / Device Role / Timing Role: Embedded FFT engine processing 1024-point spectra from 16-bit ADC samples at 10 kHz update rate. Use Value: Bit-reverse addressing and hardware shifter accelerate radix-2 DIT-FFT; 1 KB data RAM holds full complex sample buffer. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DSP microprocessor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-2101KP-40 | 5 V supply, identical core, same PLCC-68 pinout, but higher power and incompatible voltage levels. | Requires level-shifting for 3.3 V peripherals; unsuitable where low-power or mixed-voltage design is mandatory. | Select only if legacy 5 V system integration or existing ADSP-2101 PCB reuse is required. |
| ADSP-2105KP-40 | 5 V supply, reduced memory (1 KB program RAM, 512 B data RAM), SPORT1-only (no SPORT0 multichannel). | Lacks multichannel TDM and half the memory - insufficient for full-duplex audio or multi-sensor FFT workloads. | Consider only for cost-sensitive, single-channel control applications where memory and peripheral count are constrained. |
Compared with ADSP-2101KP-40 and ADSP-2105KP-40, the ADSP-2103BP-40 uniquely combines 3.3 V operation, full peripheral set (dual SPORTs + timer), and 2 KB/1 KB memory - making it the only direct-fit replacement for new low-voltage DSP designs requiring multichannel I/O and deterministic real-time performance.
Availability
ADSP-2103BP-40 is available at Aetrix Electronics and suitable for audio signal processing, telecom channel coding, and motor control applications requiring stable component supply, long-term obsolescence management, and traceable sourcing for industrial OEM programs.
Supply support for ADSP-2103BP-40 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 semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision instrumentation, communications, and industrial systems.
The ADSP-2100 Family was designed specifically for real-time embedded DSP applications demanding single-cycle determinism, low-latency I/O, and on-chip memory efficiency - targeting audio, telecom, and control markets before the rise of ARM-based DSPs.
FAQ
What is the maximum clock frequency supported by the ADSP-2103BP-40?
The ADSP-2103BP-40 operates at a maximum instruction rate of 25 MHz, corresponding to a 40 ns instruction cycle time. This is specified in the "SPECIFICATIONS (ADSP-2103/2162/2164)" section of the datasheet and confirmed by Table I, which lists "25 MHz (40 ns)" under Speed Grades for ADSP-2103. Exceeding this frequency violates guaranteed timing and may cause instruction corruption or undefined behavior in the ADSP-2103BP-40.
Does the ADSP-2103BP-40 support multichannel serial communication?
Yes, the ADSP-2103BP-40 supports multichannel operation exclusively through SPORT0, which handles time-division multiplexed (TDM) streams of up to 24 or 32 words per frame - ideal for T1/CEPT interfaces or multi-node sensor networks. SPORT1 does not support multichannel mode. This capability is explicitly documented in the "Serial Ports" section and Table I, where SPORT0 is marked with "•" for ADSP-2103.
Can the ADSP-2103BP-40 boot directly from external EPROM?
Yes, the ADSP-2103BP-40 supports automatic booting from byte-wide external EPROM without host intervention. After RESET, it generates three wait states and loads program code into on-chip program RAM using the boot address generator. This feature is confirmed in the "GENERAL DESCRIPTION" and "Boot Memory Interface" sections and applies identically to ADSP-2103 per the "SPECIFICATIONS (ADSP-2103/2162/2164)" table.
Is the ADSP-2103BP-40 pin-compatible with other ADSP-2100 Family devices in PLCC-68 package?
Yes, the ADSP-2103BP-40 shares identical pinout and signal definitions with ADSP-2101KP-40, ADSP-2105KP-40, and ADSP-2115KP-40 in the 68-lead PLCC package, as verified in the "PIN CONFIGURATIONS" section and Table IV (Pin Definitions). However, voltage-level differences (3.3 V vs. 5 V) require careful I/O interface design when substituting the ADSP-2103BP-40 into legacy 5 V systems.
What development tools are officially supported for the ADSP-2103BP-40?
The ADSP-2103BP-40 is fully supported by the ADSP-2100 Family Development Software suite, including ANSI C compiler, assembler, linker, simulator, and PROM splitter utility. Hardware tools include EZ-ICE in-circuit emulators and EZ-LAB demonstration boards - all referenced in the "Development Tools" section and confirmed compatible across the ADSP-2100 Family, including ADSP-2103.
ADSP-2103BP-40 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 68-LCC (J-Lead)
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Fixed Point
- Interface:
- Synchronous Serial Port (SSP)
- Clock Rate:
- 10.24MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 3kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 3.30V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 68-PLCC (24.23x24.23)
ADSP-2103BP-40 FAQ
1.How can I place an order for ADSP-2103BP-40 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-2103BP-40 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-2103BP-40 reliable?
The price and inventory of ADSP-2103BP-40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-2103BP-40 is usually 5 days.
3.What payment methods are accepted for ADSP-2103BP-40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-2103BP-40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-2103BP-40?
ADSP-2103BP-40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-2103BP-40 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-2103BP-40?
For technical support, including ADSP-2103BP-40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-2103BP-40 requirements.
6.How does Aetrix verify that ADSP-2103BP-40 is sourced from the original manufacturer or authorized distributors?
All ADSP-2103BP-40 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-2103BP-40 meets industry standards.
7.What is the process for return or replacement of ADSP-2103BP-40?
All ADSP-2103BP-40 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-2103BP-40, 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-2103BP-40 part is unused and in its original packaging.
Return procedure for ADSP-2103BP-40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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