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Analog Devices Inc. ADSP-2103KP-40
- Part No.:
- ADSP-2103KP-40
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 68-LCC (J-Lead)
- Datasheet:
-
ADSP-2103KP-40.pdf
- Description:
- 16-BIT DIGITAL SIGNAL PROCESSOR
- Quantity:
- Payment:
- Shipping:
Inventory:857
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Product details
Overview
ADSP-2103KP-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 and telecom line-card applications, it executes all instructions in single cycles using enhanced Harvard architecture with three independent buses.
For engineers reviewing the ADSP-2103KP-40 datasheet, ADSP-2103KP-40 pinout, ADSP-2103KP-40 application, or ADSP-2103KP-40 equivalent, key selection criteria include its 3.3 V supply compatibility, PLCC-68 package, zero-overhead looping capability, dual-data address generators with modulo addressing, and support for automatic booting from byte-wide EPROM.
Technical Context
The ADSP-2103KP-40 implements a true 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 operation.
It supports zero-overhead loops via dedicated loop counters and stack, dual data address generators (DAG1/DAG2) with four pointer registers each, and automatic circular buffering for serial port DMA. Booting is handled by on-chip circuitry that loads program memory from external byte-wide EPROM after reset with configurable wait states.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Enhanced Harvard: 3-bus (PMA/PMD/DMA/DMD/R) enables concurrent instruction fetch + dual data access + ALU/MAC/shifter operation |
| Clock Speed | 25 MHz (40 ns instruction cycle); fully static CMOS design allows clock stopping without data loss |
| On-Chip Memory | 2 KB program RAM + 1 KB data RAM; both mapped into unified 16-bit address space with no external memory required for basic operation |
| Serial Interfaces | Dual synchronous serial ports (SPORT0 multichannel-capable, SPORT1 configurable as IRQ0/IRQ1/flag I/O) |
| Power Supply | 3.3 V ±0.3 V; lower voltage than ADSP-2101 enables reduced power dissipation in portable/embedded systems |
| Interrupt System | Three external interrupt inputs (IRQ0–IRQ2), level- or edge-sensitive; vectored, maskable, with 7-level status stack for nesting |
| Address Space | 15K words data memory + 16K words program memory accessible externally; internal memory occupies fixed low-address regions |
Pinout & Package
ADSP-2103KP-40 is packaged in a 68-lead plastic leaded chip carrier (PLCC), surface-mount compatible with standard reflow profiles. The package provides full access to address/data multiplexed buses, serial port signals, timer, interrupts, and boot control pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AD0–AD15 | Multiplexed Address/Data Bus | Time-multiplexed 16-bit bus for external memory and peripheral interfacing; requires external latch (e.g., 74HC373) on ALE |
| AS | Address Strobe | Indicates valid address on AD0–AD15; used to latch address during memory access |
| RD, WR | Read/Write Control | Active-low signals controlling direction and timing of data transfer on AD0–AD15 |
| BMS, DMS, PMS | Memory Space Select | Decode external bus usage: Boot, Data, or Program memory space - critical for correct EPROM boot and memory mapping |
| SPORT0/SPORT1 Pins (DR0/DT0/RFS0/TFS0/SCLK0, etc.) | Synchronous Serial Interface | Full-duplex, double-buffered, hardware-companding (A-law/µ-law) serial I/O supporting TDM, frame sync, and autobuffering |
| IRQ0–IRQ2 | External Interrupt Inputs | Configurable as level- or edge-triggered; IRQ0/IRQ1 share pins with SPORT1, enabling flexible system partitioning |
| RESET | Master Reset Input | Asynchronous active-low signal initializing program counter, status registers, and memory interface logic |
| CLKIN | System Clock Input | Accepts TTL-compatible clock or crystal (1–25 MHz); internal oscillator circuitry eliminates need for external clock generator |
Key Features
| Feature | Design Value |
|---|---|
| Single-cycle instruction execution | Every instruction-including multiply-accumulate, shift, and conditional branch-completes in one 40 ns cycle, enabling deterministic real-time response |
| Zero-overhead looping | Hardware loop control eliminates branch penalty; loop setup requires no instruction cycles, preserving throughput in FIR/IIR filter kernels |
| Dual DAGs with modulo addressing | Two independent data address generators each manage four pointers with length registers, enabling efficient circular buffer management for FFT and delay-line applications |
| Automatic EPROM boot loader | On-chip boot ROM sequences three wait states post-reset, allowing direct loading from 200 ns EPROM without external glue logic |
| Companding hardware in serial ports | Integrated A-law and µ-law encoding/decoding per CCITT G.711 eliminates need for external codec ICs in voice-band applications |
Applications
| Voice Codec System | Telecom Line Card |
|---|---|
Use Scenario: Real-time two-channel G.711 voice compression/decompression in VoIP gateway hardware. IC Role / Device Role / Timing Role: Primary signal processor executing A-law/µ-law companding, echo cancellation, and packetization in strict 125 µs frame intervals. Use Value: Hardware companding and zero-overhead loops ensure deterministic 8 kHz sampling with sub-1 µs jitter, meeting ITU-T G.114 latency requirements. | Use Scenario: Channelized T1/E1 interface card handling 24/30 time slots with per-channel gain control and tone detection. IC Role / Device Role / Timing Role: Multichannel DSP managing SPORT0 TDM framing, bit manipulation, and real-time DTMF/tone generation per slot. Use Value: SPORT0's native 24-word TDM mode and dual DAGs enable concurrent processing of all channels without software overhead or external FIFOs. |
| Industrial Motor Controller | Audio Effects Processor |
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM motors in HVAC blowers and pumps. IC Role / Device Role / Timing Role: Real-time execution of Clarke/Park transforms, PI current regulators, and SVM modulation at 10–20 kHz PWM rates. Use Value: 25 MIPS throughput and single-cycle MAC allow full FOC loop completion within 5 µs, enabling high-bandwidth torque control. | Use Scenario: Low-latency digital effects unit (reverb, chorus, flanger) for guitar and studio audio interfaces. IC Role / Device Role / Timing Role: Fixed-point FIR/IIR filter engine with ping-pong buffering and sample-rate conversion at 44.1/48 kHz. Use Value: Dual data buses and autobuffering reduce memory bottlenecks, achieving <50 µs end-to-end latency with 128-sample buffers. |
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 architecture, memory map, and pinout except VDD/VSS levels and CLKIN drive strength | Requires 5 V rail and level-shifting for 3.3 V peripherals; higher power draw limits battery-powered use | Select when legacy 5 V system integration or existing ADSP-2101 PCB layout reuse is required |
| ADSP-2103KPZ-40 | Same 3.3 V core but RoHS-compliant Pb-free PLCC-68 package; identical electrical specs and timing | No functional difference; intended for new designs requiring environmental compliance | Select for new production where lead-free assembly and JEDEC-standard green packaging are mandated |
Compared with ADSP-2103KP-40, ADSP-2101KP-40 demands full 5 V infrastructure and consumes ~40% more active power, while ADSP-2103KPZ-40 offers drop-in replacement compatibility with no design or performance trade-offs beyond RoHS compliance.
Availability
ADSP-2103KP-40 is available at Aetrix Electronics and suitable for voice codec systems, telecom line cards, industrial motor controllers, and audio effects processors requiring stable component supply across extended product lifecycles.
Supply support for ADSP-2103KP-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, Inc. is a global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision instrumentation, communications, and industrial applications.
The ADSP-2100 Family was designed specifically for cost-sensitive, real-time embedded DSP applications demanding deterministic low-latency execution, minimal external components, and seamless integration with serial audio and telecom interfaces.
FAQ
What is the maximum operating frequency of the ADSP-2103KP-40?
The ADSP-2103KP-40 operates at a maximum clock frequency of 25 MHz, corresponding to a 40 ns instruction cycle time. This speed grade is confirmed in the "SPECIFICATIONS (ADSP-2103/2162/2164)" section of the official Analog Devices datasheet, and applies specifically to the KP-40 speed variant. The ADSP-2103KP-40 maintains full functionality-including all memory, serial ports, and timer-at this rated speed under recommended 3.3 V supply and commercial temperature conditions.
Does the ADSP-2103KP-40 support booting from external memory?
Yes, the ADSP-2103KP-40 supports automatic booting from byte-wide external memory such as EPROM. After RESET, internal boot logic generates three wait states and initiates a sequence to load program memory starting at external address 0x0000. This feature is documented in the "Boot Memory Interface" and "GENERAL DESCRIPTION" sections and requires no external boot controller - the ADSP-2103KP-40 handles address sequencing, strobing, and data latching autonomously.
What serial communication protocols does the ADSP-2103KP-40 support natively?
The ADSP-2103KP-40 supports native synchronous serial communication via two independent serial ports (SPORT0 and SPORT1). Each port implements hardware A-law and µ-law companding per CCITT G.711, frame-synced TDM (up to 32 channels on SPORT0), and flexible clocking (internal or external). It does not support UART, SPI, or I²C natively - those require software emulation or external bridge ICs. The ADSP-2103KP-40 serial interface is optimized for voiceband and telecom physical layer interfacing.
Is the ADSP-2103KP-40 pin-compatible with other ADSP-2100 Family members?
The ADSP-2103KP-40 is pin-compatible with the ADSP-2101KP-40 and ADSP-2105KP-40 in the 68-lead PLCC package, sharing identical pin functions and placement. However, voltage levels differ: ADSP-2103KP-40 uses 3.3 V I/O, while ADSP-2101KP-40 uses 5 V. Direct substitution requires level translation or board redesign. Pin compatibility is explicitly confirmed in Table I ("ADSP-21xx Processor Features") and the "PIN CONFIGURATIONS" section of the datasheet.
What development tools are supported for the ADSP-2103KP-40?
The ADSP-2103KP-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 tools target the ADSP-2100 architecture generically - no variant-specific toolchain is needed. The ADSP-2103KP-40 inherits full tool compatibility from the ADSP-2100 Family specification, as confirmed in the "Development Tools" section of the datasheet.
ADSP-2103KP-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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 68-PLCC (24.23x24.23)
ADSP-2103KP-40 FAQ
1.How can I place an order for ADSP-2103KP-40 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-2103KP-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-2103KP-40 reliable?
The price and inventory of ADSP-2103KP-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-2103KP-40 is usually 5 days.
3.What payment methods are accepted for ADSP-2103KP-40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-2103KP-40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-2103KP-40?
ADSP-2103KP-40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-2103KP-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-2103KP-40?
For technical support, including ADSP-2103KP-40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-2103KP-40 requirements.
6.How does Aetrix verify that ADSP-2103KP-40 is sourced from the original manufacturer or authorized distributors?
All ADSP-2103KP-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-2103KP-40 meets industry standards.
7.What is the process for return or replacement of ADSP-2103KP-40?
All ADSP-2103KP-40 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-2103KP-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-2103KP-40 part is unused and in its original packaging.
Return procedure for ADSP-2103KP-40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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