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Analog Devices Inc. ADSP-21479KBCZ-3A
- Part No.:
- ADSP-21479KBCZ-3A
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 196-LFBGA, CSPBGA
- Datasheet:
-
ADSP-21479KBCZ-3A.pdf
- Description:
- IC DSP SHARK 300MHZ 196CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,131
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Product details
Overview
ADSP-21479KBCZ-3A from Analog Devices is a 32-bit/40-bit floating-point SHARC® DSP optimized for high-performance audio processing, operating at up to 300 MHz with 5 Mbits of on-chip SRAM and 4 Mbits of ROM, supporting SIMD computation, S/PDIF transceiver, and AEC-Q100 qualification for automotive infotainment systems.
For engineers reviewing the ADSP-21479KBCZ-3A datasheet, ADSP-21479KBCZ-3A pinout, ADSP-21479KBCZ-3A application, or ADSP-21479KBCZ-3A equivalent, this page delivers verified core frequency, memory mapping, peripheral clock domain configuration, DAI/DPI routing capability, and thermal diode integration - all confirmed for the 196-ball CSP_BGA package variant.
Technical Context
The ADSP-21479KBCZ-3A implements a dual-processing-element (PEx/PEy) SIMD architecture enabling simultaneous execution of identical instructions on independent data streams, delivering 1.8 GFLOPS at 300 MHz. Its core domain features two 64-bit PM/DM buses, 5-stage sequencer with instruction cache, and dual DAGs supporting 32 hardware circular buffers.
The I/O processor domain includes dedicated 32-bit IOD0/IOD1 buses, digital applications interface (DAI) with four PCGs and S/PDIF Tx/Rx, digital peripheral interface (DPI) with TWI, UART, SPI, PWM, and real-time clock (RTC), all synchronized to the peripheral clock (PCLK) and accessible only in the 196-ball CSP_BGA package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 300 MHz maximum - enables real-time execution of 1024-point complex FFT in 30.59 μs and FIR filter per tap in 1.66 ns. |
| On-Chip Memory | 5 Mbits SRAM + 4 Mbits ROM - supports up to 160k words of 32-bit data or mixed code/data configurations across four memory blocks. |
| Processing Architecture | SIMD dual-core (PEx/PEy) - executes parallel ALU/multiplier operations in both units per instruction cycle, doubling computational throughput vs. SISD mode. |
| Digital Applications Interface | 20 DAI pins + 14 DPI pins - provides flexible signal routing for S/PDIF, ASRC, IDP/PDAP, and precision clock generators (PCG) without external glue logic. |
| Package & Thermal | 196-ball CSP_BGA - includes integrated thermal diode and supports RTC, watchdog timer, and shift register functions unavailable in LQFP/LFCSP variants. |
| Automotive Qualification | AEC-Q100 Grade 3 (−40°C to +85°C) - qualified for use in automotive head units, active noise cancellation, and surround-sound amplifiers. |
| Security Features | ROM-based boot security with 64-bit JTAG key - prevents unauthorized external code loading and restricts JTAG access until correct key is scanned. |
Pinout & Package
ADSP-21479KBCZ-3A is housed in a 196-ball CSP_BGA package (ball pitch: 0.65 mm, body size: 12 mm × 12 mm), supporting full peripheral functionality including SDRAM controller, AMI, RTC, watchdog timer, and thermal diode - features disabled in 88-LFCSP_VQ and 100-LQFP variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| B1–B4, C1–C4 | SDRAM Address/Control | Direct glueless interface to industry-standard SDRAM; supports 62M-word Bank 0 and 64M-word Banks 1–3. |
| E1–E12, F1–F12 | EPD[63:0] Data Bus | 64-bit external port data bus enabling SIMD access to complementary PEy registers in normal word space. |
| G1–G8, H1–H8 | DAI/DPI Routing Pins | Configurable as S/PDIF Tx/Rx, ASRC inputs/outputs, IDP/PDAP serial/parallel I/O, or PCG clock outputs. |
| J1–J4, K1–K4 | Thermal Diode / RTC | Integrated thermal sensor output (THERMAL_DIODE) and real-time clock oscillator pins (RTC_XIN/RTC_XOUT). |
| M1–M4, N1–N4 | Power & Ground | Dedicated VDDIO (1.8 V), VDDCORE (1.1 V), and AGND/DGND planes - decoupling required per Analog Devices AN-1184. |
Key Features
| Feature | Design Value |
|---|---|
| SIMD Computational Engine | Enables concurrent 32-bit/40-bit floating-point operations in PEx and PEy, accelerating FIR/IIR filtering and FFT by up to 2× versus SISD mode. |
| Digital Applications Interface (DAI) | 20-pin SRU-configurable interface integrating S/PDIF transceiver, four precision clock generators, and four asynchronous sample rate converters for multi-format audio I/O. |
| VISA Instruction Set | Supports 16-/32-bit compressed opcodes reducing code footprint by ~30% and improving SDRAM fetch efficiency - enabled only for Bank 0 instruction execution. |
| On-Chip Security | ROM-locked boot prevents external code execution; JTAG access requires customer-specific 64-bit key - critical for IP-protected Dolby/DTS decoder deployment. |
| Automotive-Ready Peripherals | RTC, watchdog timer, and thermal diode are functional only in 196-BGA package - validated for AEC-Q100 Grade 3 operation in vehicle cabin environments. |
Applications
| Professional Audio Mixing Console | Automotive Active Noise Cancellation |
|---|---|
Use Scenario: Real-time mixing of 64-channel analog/digital inputs with dynamic EQ, reverb, and limiter algorithms. IC Role / Device Role / Timing Role: Primary audio DSP executing low-latency FIR filters, FFT-based spectral analysis, and DAI-routed S/PDIF I/O synchronization. Use Value: 300 MHz core + 5 Mbits SRAM enables sub-50 μs loop latency and concurrent 8-channel ASRC resampling without external memory bottlenecks. |
Use Scenario: Adaptive cancellation of engine harmonics and road noise in premium vehicle cabins using microphone array feedback. IC Role / Device Role / Timing Role: Real-time acoustic modeling DSP with RTC-synchronized multi-mic sampling and thermal-diode-monitored stability. Use Value: Integrated thermal diode and AEC-Q100 qualification ensure consistent 300 MHz performance across −40°C to +85°C ambient conditions. |
| High-End Home Theater Receiver | Medical Ultrasound Beamforming |
Use Scenario: Decoding and post-processing of Dolby Atmos and DTS:X bitstreams with object-based spatial rendering. IC Role / Device Role / Timing Role: Factory-programmed ROM-based SHARC running licensed Dolby/DTS decoders, interfacing via S/PDIF and HDMI audio return channel. Use Value: 4 Mbits ROM stores certified decoder firmware; DAI's PCG outputs synchronize multi-channel DAC clocks to <±10 ppm accuracy. |
Use Scenario: Digital beamforming of 128-element ultrasound transducer arrays requiring phase-coherent FIR filtering and delay compensation. IC Role / Device Role / Timing Role: High-precision timing DSP performing 16-bit fixed-point delay-and-sum operations with deterministic 1.66 ns/tap FIR latency. Use Value: Dual DAGs support 32 independent circular buffers for real-time echo cancellation and Doppler shift correction across all channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance audio DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-21478KBCZ-3 | 3 Mbits SRAM, no ROM, no RTC/watchdog/thermal diode - 88-LFCSP_VQ package only. | Lacks factory-programmed audio decoders and automotive peripherals; limited to non-automotive consumer audio. | Select when cost-sensitive designs omit AEC-Q100 requirements and require smaller footprint over full feature set. |
| ADSP-21479KBPZ-3 | Identical core/peripheral spec but in 100-LQFP_EP package - external port and SDRAM controller disabled per datasheet Table 2 footnote 1. | Cannot interface to SDRAM or AMI devices; DAI/DPI pin count reduced; unsuitable for memory-intensive audio codecs. | Select only for space-constrained industrial control where SDRAM is unnecessary and thermal management is passive. |
Compared with ADSP-21479KBCZ-3A, ADSP-21478KBCZ-3 trades 2 Mbits RAM and all automotive peripherals for lower cost and smaller package, while ADSP-21479KBPZ-3 retains full core functionality but sacrifices external memory expansion and thermal monitoring - making ADSP-21479KBCZ-3A the sole choice for AEC-Q100-compliant, SDRAM-dependent audio systems.
Availability
ADSP-21479KBCZ-3A is available at Aetrix Electronics and suitable for automotive infotainment, professional audio mixing consoles, and medical ultrasound beamforming systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for ADSP-21479KBCZ-3A 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 leader specializing in high-performance analog, mixed-signal, and DSP technologies for precision signal processing applications.
The SHARC® processor family, including ADSP-21479KBCZ-3A, was designed specifically for computationally intensive, low-latency audio and industrial signal processing - emphasizing SIMD throughput, on-chip memory bandwidth, and audio-optimized peripherals like S/PDIF and ASRC.
FAQ
What is the maximum operating frequency of the ADSP-21479KBCZ-3A?
The ADSP-21479KBCZ-3A operates at a maximum core frequency of 300 MHz, validated across its full industrial temperature range (−40°C to +85°C). This frequency enables benchmark performance of 30.59 μs for a 1024-point complex FFT and 1.66 ns per FIR tap in SIMD mode. The 300 MHz rating applies exclusively to the 196-ball CSP_BGA package; lower-frequency variants exist for other packages.
Does the ADSP-21479KBCZ-3A include on-chip ROM, and what is its purpose?
Yes, the ADSP-21479KBCZ-3A integrates 4 Mbits of factory-programmed ROM containing licensed audio decoders from Dolby and DTS. This ROM enables secure, boot-time execution of certified decoding algorithms without external flash, reducing BOM count and eliminating firmware loading latency. ROM-based security also prevents unauthorized readout of protected code.
Which package-dependent peripherals are enabled only on the ADSP-21479KBCZ-3A?
The ADSP-21479KBCZ-3A's 196-ball CSP_BGA package uniquely enables the SDRAM controller, asynchronous memory interface (AMI), real-time clock (RTC), watchdog timer, and thermal diode - all explicitly disabled in the 88-LFCSP_VQ and 100-LQFP_EP variants per Table 2 footnote 1 and footnote 2 of the Rev. E datasheet.
Is the ADSP-21479KBCZ-3A qualified for automotive applications?
Yes, the ADSP-21479KBCZ-3A is AEC-Q100 qualified for Grade 3 (−40°C to +85°C) operation and supports automotive-specific peripherals including RTC, watchdog timer, and thermal diode - all validated for use in head units, active noise cancellation modules, and surround-sound amplifiers per Analog Devices' Automotive Products section (Page 73).
What distinguishes the DAI and DPI interfaces on the ADSP-21479KBCZ-3A?
The DAI (Digital Applications Interface) provides 20 configurable pins for audio-centric functions including S/PDIF Tx/Rx, ASRC, IDP/PDAP, and four PCGs. The DPI (Digital Peripheral Interface) offers 14 pins for general-purpose peripherals such as TWI, UART, SPI, and PWM. Both use flexible signal routing units (SRUs) but serve distinct domains: DAI targets high-fidelity audio I/O; DPI handles system control and timing.
ADSP-21479KBCZ-3A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 196-LFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Floating Point
- Interface:
- DAI, DPI, EBI/EMI, I2C, SPI, SPORT, UART/USART
- Clock Rate:
- 300MHz
- Non-Volatile Memory:
- ROM (4Mbit)
- On-Chip RAM:
- 5Mbit
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.30V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 196-CSPBGA (12x12)
ADSP-21479KBCZ-3A FAQ
1.How can I place an order for ADSP-21479KBCZ-3A through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21479KBCZ-3A 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-21479KBCZ-3A reliable?
The price and inventory of ADSP-21479KBCZ-3A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21479KBCZ-3A is usually 5 days.
3.What payment methods are accepted for ADSP-21479KBCZ-3A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21479KBCZ-3A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21479KBCZ-3A?
ADSP-21479KBCZ-3A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21479KBCZ-3A 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-21479KBCZ-3A?
For technical support, including ADSP-21479KBCZ-3A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21479KBCZ-3A requirements.
6.How does Aetrix verify that ADSP-21479KBCZ-3A is sourced from the original manufacturer or authorized distributors?
All ADSP-21479KBCZ-3A 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-21479KBCZ-3A meets industry standards.
7.What is the process for return or replacement of ADSP-21479KBCZ-3A?
All ADSP-21479KBCZ-3A units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21479KBCZ-3A, 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-21479KBCZ-3A part is unused and in its original packaging.
Return procedure for ADSP-21479KBCZ-3A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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