My Inquiry
My Account
Analog Devices Inc. ADSP-2101BG-100
- Part No.:
- ADSP-2101BG-100
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 68-BCPGA
- Datasheet:
-
ADSP-2101BG-100.pdf
- Description:
- IC DSP CONTROLLER 16BIT 68PGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,422
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADSP-2101BG-100 from Analog Devices is a 16-bit fixed-point DSP microprocessor with 2K × 16-bit on-chip program RAM, 1K × 16-bit data RAM, 25 MHz operation (40 ns instruction cycle), dual serial ports (SPORT0 and SPORT1), and enhanced Harvard architecture enabling simultaneous instruction fetch and dual data accesses. It serves as the core signal processing engine in real-time audio codecs, telecom channel banks, and industrial motor control systems.
For engineers reviewing the ADSP-2101BG-100 datasheet, ADSP-2101BG-100 pinout, ADSP-2101BG-100 application, or ADSP-2101BG-100 equivalent, key selection criteria include its 25 MIPS throughput, zero-overhead looping capability, hardware companding support for µ-law/A-law, dual DAGs with modulo addressing, and compatibility with 5 V ±10% supply across commercial and industrial temperature ranges.
Technical Context
The ADSP-2101BG-100 implements a three-bus enhanced Harvard architecture with separate program and dual data buses, enabling single-cycle execution of multifunction instructions including ALU + MAC + shifter operations. Its program sequencer supports nested interrupts with seven-level status stack and vectored interrupt handling at fixed addresses.
It integrates two independent data address generators (DAGs) supporting circular buffering, bit-reverse addressing, and automatic post-modification-critical for FFT and filter coefficient management. Serial ports operate synchronously with programmable frame sync, 3–16-bit word lengths, and optional hardware companding per CCITT G.711.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Enhanced Harvard: separate instruction bus + dual data buses for concurrent fetch/execute/data moves |
| Instruction Rate | 25 MIPS @ 25 MHz; 40 ns single-cycle instruction execution enables deterministic real-time response |
| On-Chip Memory | 2K × 16-bit program RAM + 1K × 16-bit data RAM - eliminates external boot ROM requirement for many applications |
| Serial Interfaces | Dual synchronous serial ports (SPORT0 multichannel-capable, SPORT1 configurable as IRQ0/IRQ1/flags) |
| Addressing Modes | Dual DAGs with modulo, bit-reverse, and auto-increment/decrement - essential for efficient FIR/IIR and FFT implementation |
| Interrupt System | Three external edge/level-sensitive IRQ inputs + timer, serial port, and reset interrupts; vectored priority-based handling |
| Power Supply | 5 V ±10%; compatible with standard TTL logic families and legacy industrial power rails |
Pinout & Package
ADSP-2101BG-100 is housed in a 68-pin Pin Grid Array (PGA) package with 0.1-inch pitch, designed for through-hole mounting and thermal reliability in high-density DSP boards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN | Clock Input | Accepts crystal or TTL-compatible clock source; drives internal PLL-free timing system at 25 MHz |
| RESET | Master Reset | Active-low asynchronous reset; initiates boot sequence from external EPROM or internal memory |
| IRQ0–IRQ2 | External Interrupt Inputs | Programmable edge/level sensitivity; IRQ0/IRQ1 share pins with SPORT1 signals for flexible I/O allocation |
| SCLK0/RFS0/TFS0/DR0/DT0 | SPORT0 Interface | 5-pin synchronous serial interface supporting multichannel TDM, frameless modes, and hardware companding |
| SCLK1/RFS1/TFS1/DR1/DT1 | SPORT1 Interface | 5-pin serial port; DR1/DT1 optionally repurposed as general-purpose flag input/output |
| BMS/DMS/PMS | Memory Space Select | Decode external bus cycles into program/data/boot memory spaces for unified memory expansion |
| VDD/VSS | Power/Ground | Single 5 V supply with dedicated analog/digital ground pins to minimize noise coupling in mixed-signal environments |
Key Features
| Feature | Design Value |
|---|---|
| Zero-overhead looping | Hardware loop counter and stack eliminate branch penalties - critical for tight filter kernels and servo loops |
| Automatic boot from byte-wide EPROM | Internal boot controller loads program memory without host intervention - reduces BOM and boot firmware complexity |
| Dual data address generators (DAGs) | Each maintains four pointers with modulo length registers - enables concurrent coefficient and sample access in convolution |
| Hardware companding (A-law/µ-law) | Integrated G.711-compliant encoding/decoding in serial port logic - offloads CPU and ensures telephony-grade audio fidelity |
| Low-power IDLE instruction | Halts CPU clocks while preserving register state - extends runtime in battery-powered voice recorders and portable test equipment |
Applications
| Voice Codec System | Industrial Motor Controller |
|---|---|
Use Scenario: Real-time compression and decompression of speech signals in PBX gateways and VoIP endpoints. IC Role / Device Role / Timing Role: Primary DSP executing G.711 A-law/µ-law companding, echo cancellation, and DTMF detection in deterministic sub-100 µs latency. Use Value: On-chip dual serial ports handle simultaneous codec interface and control channel; 25 MIPS throughput sustains 32-channel voice processing. | Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase AC induction motors in HVAC and pump drives. IC Role / Device Role / Timing Role: Real-time execution of Park/Clarke transforms, PI current regulators, and space-vector PWM generation at 10–20 kHz switching frequency. Use Value: Dual DAGs enable concurrent access to rotating reference frame coefficients and sampled phase currents; zero-overhead loops ensure jitter-free PWM timing. |
| Telecom Channel Bank | Audio Signal Analyzer |
Use Scenario: Aggregation and digital processing of 24/30-channel T1/E1 line cards in central office equipment. IC Role / Device Role / Timing Role: Multichannel serial port (SPORT0) receives time-division multiplexed data; DSP performs channelized filtering, gain control, and alarm monitoring. Use Value: SPORT0's native 24-word TDM mode eliminates external framing logic; 1K data RAM buffers full frame before processing. | Use Scenario: Portable handheld instrument performing real-time spectrum analysis, THD measurement, and harmonic distortion profiling. IC Role / Device Role / Timing Role: High-speed acquisition and FFT computation on 1024-point windows with 48 kHz sampling, using on-chip memory for coefficient tables. Use Value: Bit-reverse addressing and modulo DAGs accelerate radix-2 FFT; 2K program RAM stores optimized assembly FFT kernel and calibration routines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DSP processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-2101KRZ-100 | Same core, 68-lead PLCC package instead of PGA; identical electrical specs and memory map | Better suited for surface-mount production and higher vibration environments | Select when PCB assembly uses reflow soldering and board space constraints favor compact footprint |
| ADSP-2105KS-100 | Reduced memory: 1K program RAM + 512-word data RAM; otherwise pin- and code-compatible | Limited to smaller algorithms (e.g., single-channel echo canceller, basic tone generator) | Choose for cost-sensitive, low-complexity signal paths where full 2K/1K memory is unnecessary |
Compared with ADSP-2101BG-100, the ADSP-2101KRZ-100 offers identical DSP performance in a surface-mount package for automated assembly, while the ADSP-2105KS-100 trades memory capacity for lower unit cost - both require no software changes but differ in physical integration and algorithm scalability.
Availability
ADSP-2101BG-100 is available at Aetrix Electronics and suitable for voice codec systems, industrial motor controllers, telecom channel banks, and portable audio analyzers requiring stable component supply across extended product lifecycles.
Supply support for ADSP-2101BG-100 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 digital signal processing semiconductors, founded in 1965 and headquartered in Wilmington, MA.
The ADSP-2100 Family was engineered for real-time embedded DSP tasks in telecom, industrial automation, and audio systems - emphasizing deterministic execution, memory efficiency, and hardware acceleration for common signal processing primitives.
FAQ
What is the maximum operating frequency of the ADSP-2101BG-100?
The ADSP-2101BG-100 operates at a maximum clock frequency of 25 MHz, delivering a 40 ns instruction cycle time and 25 MIPS throughput. This speed is guaranteed under recommended operating conditions (5 V ±10%, 0°C to +70°C for K-grade). The device does not include an internal PLL; CLKIN must be driven directly at 25 MHz or via a crystal oscillator circuit meeting setup/hold timing requirements specified in the ADSP-2100 Family datasheet.
Does the ADSP-2101BG-100 support booting from external memory?
Yes, the ADSP-2101BG-100 supports automatic booting from byte-wide external memory such as EPROM. Upon RESET assertion, the device generates three wait states and begins loading program memory starting at external address 0x0000. This feature allows full application code to reside externally, eliminating the need for pre-programmed ROM variants. The boot process is fully hardware-managed and requires no firmware initialization.
How many serial ports does the ADSP-2101BG-100 have, and what are their capabilities?
The ADSP-2101BG-100 integrates two synchronous serial ports: SPORT0 (multichannel-capable, supports 24-/32-word TDM) and SPORT1 (configurable as serial interface or alternate IRQ0/IRQ1/flag I/O). Both support 3–16-bit word lengths, programmable frame sync, internal/external clocking, and optional A-law/µ-law companding per CCITT G.711 - enabling direct connection to telephony codecs and digital audio interfaces without external glue logic.
Is the ADSP-2101BG-100 pin-compatible with other ADSP-2100 Family members?
The ADSP-2101BG-100 shares the same 68-pin PGA pinout with ADSP-2101KRZ-100 (PLCC) and ADSP-2103 variants only in functional signal assignment - but differs from ADSP-2111 (100-pin) and ADSP-2105 (reduced peripheral set). While instruction set and memory map are fully compatible across the ADSP-2101/2103/2105/2115 group, physical pin compatibility is limited to same-package variants; PCB layout must match PGA mechanical dimensions and thermal pad requirements.
What development tools are supported for the ADSP-2101BG-100?
The ADSP-2101BG-100 is fully supported by Analog Devices' ADSP-2100 Family Development Software, including ANSI C compiler, assembler, linker, and cycle-accurate simulator. Hardware tools include EZ-ICE in-circuit emulators and EZ-LAB demonstration boards. The ADSP-2101BG-100 executes the same object code as all ADSP-21xx processors, allowing seamless migration between speed grades and memory configurations during development.
ADSP-2101BG-100 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- ADSP-21xx
- Package/Case:
- 68-BCPGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Fixed Point
- Interface:
- Synchronous Serial Port (SSP)
- Clock Rate:
- 25MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 6kB
- Voltage - I/O:
- 5.00V
- Voltage - Core:
- 5.00V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 68-PGA (27.89x27.89)
ADSP-2101BG-100 FAQ
1.How can I place an order for ADSP-2101BG-100 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-2101BG-100 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-2101BG-100 reliable?
The price and inventory of ADSP-2101BG-100 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-2101BG-100 is usually 5 days.
3.What payment methods are accepted for ADSP-2101BG-100?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-2101BG-100 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-2101BG-100?
ADSP-2101BG-100 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-2101BG-100 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-2101BG-100?
For technical support, including ADSP-2101BG-100 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-2101BG-100 requirements.
6.How does Aetrix verify that ADSP-2101BG-100 is sourced from the original manufacturer or authorized distributors?
All ADSP-2101BG-100 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-2101BG-100 meets industry standards.
7.What is the process for return or replacement of ADSP-2101BG-100?
All ADSP-2101BG-100 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-2101BG-100, 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-2101BG-100 part is unused and in its original packaging.
Return procedure for ADSP-2101BG-100:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADSP-2101BG-100 Tags
-
TMS320C5535AZAY10
Texas Instruments
-
TMS320VC5501PGF300
Texas Instruments
-
ADSP-BF592KCPZ
Analog Devices Inc.
-
ADAU1463WBCPZ150
Analog Devices Inc.
-
TMS320VC5402PGE100
Texas Instruments
-
ADAU1701JSTZ-RL
Analog Devices Inc.
-
ADAU1701JSTZ
Analog Devices Inc.
-
TMS320VC5502PGF300
Texas Instruments
-
ADAU1462WBCPZ300RL
Analog Devices Inc.
-
ADAU1452KCPZRL
Analog Devices Inc.
-
ADAU1452WBCPZ-RL
Analog Devices Inc.
-
TMS320C6747DZKB3
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
